766 results about "Black teas" patented technology

The invention discloses a dark tea extract intelligent production control system, and relates to the technical field of plant extraction, the system comprises a data acquisition and monitoring module, an intelligent control module, an analysis optimization module and a visualization module; the data acquisition and monitoring module acquires environmental data and eurotium cristatum growth data in real time; the intelligent control module automatically adjusts the temperature, the humidity and the oxygen concentration in the fermentation process based on the environmental data and the eurotium cristatum growth data; the analysis and optimization module predicts and adjusts production conditions in real time by using a neural network and an optimization model; the visualization module provides real-time monitoring and remote operation functions through a graphical user interface, so that an operator can monitor the state of the system in real time. According to the method, the growth environment of eurotium cristatum can be accurately controlled, the fermentation and extraction processes are optimized, the quality consistency and production efficiency of dark green tea are improved, and the problems of quality fluctuation and inaccurate control in a traditional production method are solved.

The invention relates to the technical field of tea fermentation, and particularly discloses a temperature and humidity controllable black tea fermentation device which comprises an outer box, a top cover is clamped to the top end of the outer box, a fermentation assembly is arranged in an inner cavity of the outer box, ventilation assemblies are arranged on the two sides of the outer box, the fermentation assembly comprises a supporting frame, and a lifting mechanism is arranged in the middle of the supporting frame. According to the tea leaf fermentation device, black tea can be uniformly turned over through the fermentation assembly, meanwhile, tea leaves located at the stacking bottom or tightly attached to the fermentation container are shaken up and down, the bottom of the tea leaves is shaken and pushed in a small range, the tea leaves are dispersed and stirred, and the tea leaves are uniformly stirred; according to the tea leaf fermentation device, all parts of tea leaves can be in uniform contact with air, the fermented black tea can be uniformly ventilated through the ventilation assembly, a wider air flowing path is generated in the fermentation container, the uniformity of air flowing is kept, and therefore the temperature and humidity during fermentation are controlled.

The invention relates to the technical field of functional beverage processing, in particular to a method for preparing ginger black tea by combining fresh ginger pretreatment with black tea probiotic fermentation, a ginger black tea product and application of the ginger black tea product. The method comprises the following steps: a) fresh ginger enzymolysis pretreatment: fresh ginger is subjected to enzymolysis treatment to reduce the gingerol content; b) microencapsulation of gingerol: preparing the ginger liquid subjected to enzymolysis, sodium alginate and chitosan into microcapsules; c) black tea extraction: performing water extraction on black tea to prepare black tea liquid; d) probiotic activation: carrying out activation culture on lactobacillus acidophilus and lactobacillus plantarum; e) performing multi-stage fermentation: mixing the black tea liquid, gingerol microcapsules and activated probiotics, and performing fermentation through multi-stage temperature and pH control; (f) post-processing the product, namely post-processing the fermentation liquor to obtain the probiotic-containing ginger black tea product, so that the effective components of the ginger are reserved while the content of spicy components of the ginger is reduced.

The invention discloses a manganese / cobalt-based MOFs nano-enzyme with a hollow structure as well as a preparation method and application thereof, and belongs to the technical field of preparation and application of novel nano-materials. According to the invention, ZIF-67 is used as a carrier, potassium permanganate is used as a manganese source, and the Mn / Co-MOF nano-enzyme with a hollow structure and highly dispersed manganese species is prepared through a loading-low temperature pyrolysis strategy. The antioxidant substances in the black tea can inhibit the oxidase-like activity of the hollow-structure manganese / cobalt-based MOFs nano-enzyme, so that the color of the system is changed, and based on the principle, the method for detecting the total oxidation resistance of the tea based on the hollow-structure manganese / cobalt-based MOFs nano-enzyme is established. Meanwhile, the method is used for monitoring the change of the total antioxidant capacity in the black tea fermentation process, a new method for judging the fermentation degree of the black tea is established in combination with data processing methods such as machine learning, and a new means is provided for improving the quality of the black tea and intelligently processing tea leaves.

The invention belongs to the technical field of tea processing, and particularly relates to a processing method for simultaneously improving the flower fragrance concentration and red liquor color brightness of congou black tea. The method comprises the following steps: selecting fresh tea leaf raw materials; performing low-temperature and low-humidity ultraviolet irradiation withering; rolling for a long time for the first time; performing primary long-time fermentation; performing secondary short-time re-rolling; performing short-time low-temperature high-oxygen fermentation for the second time; and drying the tea leaves subjected to the secondary short-time low-temperature high-oxygen fermentation with gross fire and full fire to obtain a medium-and-small-leaf congou black tea product with flower fragrance and high tea pigment. According to the method provided by the invention, a low-temperature low-humidity ultraviolet irradiation withering technology, a re-kneading fermentation technology and a short-time low-temperature high-oxygen fermentation technology are created on the basis of a traditional processing technology of the congou black tea, new technologies are fused into a traditional processing flow of the congou black tea, and the congou black tea is obtained by organically combining the traditional processing technology and the new technologies. Aiming at middle and small leaf tea trees, the invention provides a processing method for simultaneously improving flower fragrance concentration and red liquor color brightness of congou black tea.

The invention relates to a fermentation processing method and a production equipment system of Kung Fu black tea, the Kung Fu black tea is prepared by adding lophatherum gracile, dried orange peel and jasmine petals into tea leaves to form a tea leaf mixture, withering, fermenting, shaping and drying, the fermentation comprises pre-fermentation and complete fermentation, the pre-fermentation is auto-oxidation fermentation of the tea leaves, the complete fermentation is microbial fermentation, and the fermentation processing method comprises the following steps of: withering, fermenting, shaping and drying. Carrying out first-step fermentation by adopting a complex microbial inoculant composed of acetic bacteria and enterococcus faecium, and then adding hansenula anomala to carry out second-step fermentation. According to the invention, the problems of sour and stale taste, stuffy and cooked taste and the like of the tea leaves due to the difference of the raw material fermentation processes in the fermentation process of the components are solved. According to the kung fu black tea, the variety and content of aroma substances are increased, meanwhile, the problem that loose tea is insufficient in brewing resistance is solved, tea soup brewed by the kung fu black tea is red, bright and golden in color, the proportion of theaflavin, thearubigin and theabrownin of the kung fu black tea is coordinated, and the tea soup is sweet and moist in mouth, has honey aroma and is lasting in fragrance in a cold cup.

The invention discloses a lotus black tea processing technology. The lotus black tea processing technology comprises the following steps: S1, tea base making; S2, cellar making; S3, drying; the black tea base is subjected to cellar making through the lotuses, the faint scent of the lotuses can be combined with the black tea, various vitamins, amino acid and other nutritional ingredients and calcium, zinc, iron and other microelements of the lotuses are fully reserved, and the lotuses can be easily absorbed by the human body.

The invention relates to the technical field of automatic packaging equipment, and provides automatic dark tea packaging equipment and method.The automatic dark tea packaging equipment comprises a rack and further comprises an inclined table top, a horizontal table top and a horizontal table top, the packaging bag is formed by connecting continuously arranged packaging bag bodies through easy-to-tear lines, and the packaging bag bodies are arranged on the front portion of the top end of the inclined table top; the conveying assembly is installed on the front portion of the top end of the inclined table top and used for achieving continuous feeding of the packaging bags and restraining position deviation in the conveying process. The extension table is mounted in the middle of the front end of the inclined tabletop; an air cylinder is installed in the middle of the extending table, a supporting arm is fixedly installed at the telescopic end of the air cylinder, an adjusting rod slides on the top of the supporting arm, and an inverted-L-shaped plate frame is installed on the top of the adjusting rod. During use, brick tea is guided to accurately enter the middle of a bag through dynamic constraint, air retention in the bag can be reduced and an air exhaust path can be shortened without fully unfolding a bag opening, and meanwhile, the integrity of the brick tea is prevented from being damaged by contraction and extrusion of a bag body during air exhaust.

The utility model provides an oxygenating fermentation machine in black tea processing, which relates to the field of black tea processing equipment, and comprises a box body, two sides of the inner wall of the box body are fixedly connected with adjusting devices, one end of each adjusting device is rotatably connected with a plurality of placing frames, and the arranged adjusting devices rotate and drive a driving assembly on one side of the adjusting device to rotate at the same time. When the driving assembly rotates, the driving assembly can drive a rotating plate, arc-shaped plates arranged at the two ends of the rotating plate and a shifting rod to rotate along a rotating disc, and the shifting rod can move in a cross-shaped groove formed in the rotating disc and drive the rotating disc to rotate in a clearance mode, so that the hollowed-out cage and the tea leaves in the hollowed-out cage are driven to turn over; according to the tea leaf fermentation device, the tea leaves can be in uniform contact with air in the box body, the probability that the fermentation degree of each part of the tea leaves is not uniform in the fermentation process is reduced, the influence on the quality and taste of black tea is reduced, the quality of the black tea is improved, and the influence on the market competitiveness and consumer acceptability of the black tea is reduced.

The utility model relates to the technical field of black tea fermentation, in particular to a black tea fermentation device with an oxygen supply function, which comprises a fermentation box, a first box door is hinged to the top of the fermentation box, a second box door is hinged to the front side of the fermentation box, a turning mechanism and a scattering mechanism are arranged in the fermentation box, and the turning mechanism comprises a motor. The motor is fixedly connected to the left side of the fermentation box, the output end of the motor is fixedly connected with a first rotating rod, the first rotating rod movably penetrates through the fermentation box and extends into the fermentation box, the motor is started to drive the first rotating rod to rotate, and the first rotating rod is arranged to drive a convex block to rotate; the square frame is driven by the convex block to move up and down, the knocking rod can be driven to move up and down, the knocking rod drives tea leaves at the top of the placing frame to be turned over, the tea leaves can be driven to be turned over, and the tea leaves accumulated at the bottom can be in full contact with oxygen, so that black tea fermentation is accelerated.

The invention discloses a black tea fermentation process, and relates to the technical field of tea making processes, and the black tea fermentation process specifically comprises the following steps: black tea is crushed and sieved to 150-200 meshes, and black tea fine powder is obtained; uniformly mixing black tea, glucose, xylooligosaccharide, vitamins, sodium chloride, calcium chloride, fructo-oligosaccharide and water, sterilizing to obtain a sterilized culture medium, and cooling for later use; carrying out enlarged culture on lactic acid bacteria to obtain a secondary seed solution; transferring the secondary seed solution into a sterilized culture medium, adding magnetic composite particles, and culturing and fermenting to obtain a fermentation solution; performing high-temperature treatment on the fermentation liquor, and adding a preservative to obtain black tea fermentation filtrate; by introducing a double-component system of calcium chloride and xylooligosaccharide, efficient release and stabilization of active ingredients of the black tea are realized, by introducing a magnetic composite particle and alternating magnetic field staged control technology, the fermentation efficiency and stability of the black tea are further improved, and the efficient, stable and sustainable black tea fermentation process is realized.

The invention relates to the field of cosmetics, in particular to an oil-controlling and acne-removing composition and application thereof. The black tea fermentation liquor, the olive leaf extract and the silybum marianum extract are compounded and have a synergistic effect after being combined, a stronger oil control network is formed, and the oil control effect is greatly improved compared with that when a single component is used; a multi-channel and multi-target acne removal path is formed, and the acne removal effect is multi-dimensionally improved compared with that when a single component is used; the skin barrier function can be further enhanced, the water loss is reduced, and the acne skin damaged skin can be recovered more quickly. The black tea fermentation liquor, the olive leaf extract and the silybum marianum extract are all natural plant extracts, are high in safety and are suitable for sensitive skin. After the three components are compounded, the safety is high, the oil-controlling and acne-removing effects of the oil-controlling and acne-removing composition are remarkably improved through the synergistic effect, and the acne problem can be more comprehensively solved.

The invention relates to the technical field of black tea processing, and discloses a black tea processing aerobic fermentation device which comprises a fermentation box, a placing disc is fixedly connected in the fermentation box, a water tank is fixedly connected to the right side of the fermentation box, the top of the water tank is communicated with one end of a water pipe, and the other end of the water pipe is arranged in the fermentation box. A turning mechanism is arranged in the fermentation box and comprises an electric push rod, the electric push rod is fixedly connected to the inner wall of the right side of the fermentation box, the left end of the electric push rod is fixedly connected with a first vertical plate, and the turning plate moves left and right and turns up and down at the same time, so that black tea is effectively turned and makes full contact with oxygen; the black tea is pushed at a constant speed through the first push plate, so that the black tea is in an ideal distribution state on the placing disc, the black tea is more uniformly distributed on the placing disc, local accumulation is avoided, the fermentation uniformity is improved, and the fermentation quality is improved.

The invention relates to the field of tea tree cultivation, and discloses a method for improving the quality of flower and fruit aroma black tea in a plant factory, which comprises the following steps: (1) selecting Jinguanyin tea seedlings planted in the plant factory for 4 years as test materials, after field planting, combining 400-499nm blue light (22-25%), 600-699nm red light (50-51%) and 700-788nm red light (24-28%) in the whole tea tree cultivation period, the light intensity is 200-400 [mu] mol / m < 2 >. S, and the photoperiod is 12-14 h / d; (2) 3 days before harvesting, based on a cultivation period spectrum, increasing 320-399 nm ultraviolet UVA (3-7%) for combined use, the light intensity being 150-400 [mu] mol / m < 2 >. S, the light period being 10-14 h / d, the planting environment day and night temperature being 26-28 / 18-20 DEG C, and the humidity being 60-70%; and (3) performing subsequent conventional black tea making process on the harvested fresh tea leaves to obtain the flower and fruit flavor black tea, wherein the standard of the picked tea leaves is one bud and two leaves and one bud and one leaf. Through the light regulation and control technology, the obtained black tea is rich in flower and fruit fragrance and mellow and sweet in tea taste, meanwhile, the bitter taste of the black tea is reduced, and therefore the quality of the black tea is improved.

The invention discloses a Chinese wolfberry black tea raw material fermentation device and a fermentation method thereof, and relates to the technical field of Chinese wolfberry black tea raw material fermention.The Chinese wolfberry black tea raw material fermentation device comprises a fermentation cabinet and a placement assembly, the placement assembly comprises screen cloth, the top end of the screen cloth is fixedly connected to the fermentation cabinet, and the top face of the screen cloth is provided with an opening, is sunken downwards and is used for containing black tea leaves; the pushing assembly is used for pushing the screen cloth; the pushing assembly comprises a pushing rod located below the screen cloth. The sliding sleeve is connected to the inner wall of the fermentation cabinet in a front-back sliding mode, and the push rod can only vertically slide in the sliding sleeve; according to the tea leaf fermentation device, the placing piece is arranged to be mesh cloth, a motor drives a driving screw rod to rotate, a sliding sleeve reciprocates, a waved plate is matched, a push rod is driven to move up and down, the push rod pushes tea leaves in the mesh cloth to turn over in the reciprocating and up-down movement process, the contact area of the tea leaves and air in the fermentation cabinet is increased, and the tea leaf fermentation uniformity is improved; the fermentation efficiency and effect of the tea leaves are accelerated.

The invention discloses a Keemun black tea fermentation product, a preparation method thereof and application of the Keemun black tea fermentation product in caenorhabditis elegans anti-aging research. Active components in the black tea can be more fully extracted by using the natural eutectic solvent, and then the active components are further fermented by sequentially using the lactobacillus and the thermophilic thermophilic bacteria, so that the Keemun black tea fermentation product is prepared. The Keemun black tea fermentation product prepared by the invention is applied to caenorhabditis elegans anti-aging research, and adverse effects caused by oxidative stress are relieved through the antioxidant effect of the Keemun black tea fermentation product, so that the antioxidant enzyme activity (SOD, CAT and GSH) of caenorhabditis elegans is remarkably improved, and the metabolite (MDA) is remarkably reduced; and the ROS level in the caenorhabditis elegans is also obviously reduced. Therefore, the Keemun black tea fermentation product prepared by the invention has better antioxidant activity, and can effectively improve the oxidative stress damage of the caenorhabditis elegans, thereby effectively prolonging the life of the caenorhabditis elegans.

The invention relates to the technical field of tea processing, in particular to a black tea processing method for improving color, aroma and taste quality of black tea. Comprising the following steps: S1, withering; s2, vibration: placing the withered leaves in a vibration groove for transmission and vibration to obtain spread-cooled leaves; s3, performing rolling; s4, performing fermentation; s5, primary drying; s6, fermentation: putting the tea leaves subjected to primary drying in the step S5 into a fermentation room for fermentation to obtain fermented leaves; and S7, sufficient drying. On the basis of the existing processes of withering, rolling, fermentation, primary drying, re-drying and the like for black tea production, on one hand, a launder vibration process is introduced, conversion of aroma precursor substances is accelerated, and meanwhile excessive mechanical damage to leaves in the traditional rocking process is relieved. On the other hand, according to the method, polyester catechin, theaflavin and thearubigins are synthesized by adopting a fermentation process after the black tea is initially dried, so that the taste and the liquor color quality of the black tea are further improved.

The invention provides a method for preparing rare ginsenoside through conversion of kombucha, the rare ginsenoside and application, and belongs to the technical field of biological medicine. A symbiotic system is formed by multiple bacteria such as acetic acid bacteria, gluconacetobacter, foal bacillus and the like and fungi, after the symbiotic system is domesticated, the American ginseng stem and leaf extract is fermented through multi-bacteria synergistic catalysis, the rare ginsenoside can be efficiently prepared, the highest conversion rate of Rb3 and Rd can reach about 90%, and the yield of Rb3 and Rd can reach about 90%. Meanwhile, the contents of rare ginsenosides Rg3 (20S), Rg5, Rh2 (20R) and Rh2 (20S) are remarkably increased and are increased by about 15 times at most, and efficient conversion of various ginsenosides is achieved.

The invention discloses a black tea fermentation frame with a temperature sensing function, and particularly relates to the technical field of black tea ferment.The black tea fermentation frame comprises a heating cylinder, a sealing door is rotationally connected to the outer side of the heating cylinder, a plurality of ventilation pipes are fixedly installed on the sealing door, and each ventilation pipe communicates with the heating cylinder; according to the present invention, during the use, the operation is simple, the revolution and the autorotation of the fermentation frame body can be achieved so as to achieve the uniform heating of the fermentation frame body, and the temperature consistency of each fermentation frame body can be maintained so as to achieve the uniform heating of the fermentation frame body; meanwhile, the looseness of the tea leaves in the fermentation frame bodies is guaranteed, the fermentation efficiency is improved, and when it is detected that the temperature of a certain fermentation frame body is abnormally increased, precise heat dissipation can be conducted on the fermentation frame body, and excessive fermentation is avoided.

The invention discloses a plant fermentation composition for enhancing scalp immune barrier and melanocyte activity and a preparation method and application of the plant fermentation composition, and belongs to the technical field of microbial fermentation and skin immunization. Performing fermentation by utilizing Wickerhamomyces anomalus and saccharomyces cerevisiae; the mass ratio of the Wickerhamomyces anomalus to the saccharomyces cerevisiae is (3-10): 1; the weight ratio of the radix polygoni multiflori to the radix asparagi to the black tea is (10-30): (1-10): 1. The invention provides a cosmetic raw material for promoting melanogenesis by enhancing innate immune response of melanocytes by utilizing a microbial fermentation technology, and solves the technical problem that black hair becomes white. The cosmetic provided by the invention can improve the health of hair and scalp, has a good hair blackening effect, and effectively prevents the hair from becoming grey and white.

The present invention relates to the field of cosmetics, and in particular to a tea fermentation composition and application that promotes the penetration of dual proteins. The tea fermentation composition of the present invention comprises black tea fermentation filtrate, whey protein, and recombinant collagen. The black tea fermentation filtrate used in the present invention contains more inositol and small molecule biological penetration-promoting polypeptides that promote skin penetration, which can effectively improve the antioxidant, anti-aging, and repair capabilities. After the black tea fermentation filtrate is compounded with whey protein and recombinant collagen, it can help solve the problem of the difficulty of dual protein penetration, thereby improving the utilization rate of dual protein in cosmetics, making it play its maximum effect, and achieving synergistic effect. The tea fermentation composition obtained by the present invention is added to cosmetics to greatly enhance the antioxidant, repair, anti-wrinkle and other effects.

The utility model relates to the technical field of black tea processing, and discloses a black tea uniform spreading and airing device which comprises a supporting frame body and a bottom frame, an airing net is arranged on the supporting frame body, a slag crushing box is arranged in the bottom frame and located below the airing net, a dust suction cover body is installed on one side of a material turning plate, and the dust suction cover body is provided with a dust suction opening. The material overturning plate is pushed to move out of the storage box body, the flexible block is pushed to be close to materials below, dust and impurities attached to the materials are treated through the dust suction cover body, the influence on the materials is reduced, disintegrating slag generated by airing falls into the disintegrating slag box below through the through hole, and the drying efficiency is improved. The handle is pulled to drive the supporting frame body to slide to be separated from the bottom frame, the airing net can be cleaned, meanwhile, a plurality of expansion bolts are loosened, and disintegrating slag collected by the disintegrating slag box is independently treated.

The invention provides a temperature and humidity self-adaptive regulation and control method and system for black tea fermentation, and relates to the technical field of tea processing, the method comprises the following steps: carrying out stage division on a temperature and humidity regulation and control period of black tea fermentation, each stage having a target temperature value and a target humidity value; acquiring an environment basic parameter, a temperature parameter adjustable interval and a temperature parameter adjustable interval; performing temperature and humidity regulation fuzzy configuration to generate a temperature fuzzy regulation parameter and a humidity fuzzy regulation parameter of each stage; collecting a plurality of black tea fermentation images, performing fermentation effect identification, and establishing a fermentation effect evaluation function; and performing parameter configuration optimization to obtain an optimal temperature regulation and control parameter and an optimal humidity regulation and control parameter. The technical problems that in the prior art, temperature and humidity are generally adjusted based on a simple temperature and humidity sensor, accurate control is often difficult to keep in the whole fermentation process, local fluctuation of the temperature and humidity is caused, and then quality difference in the black tea fermentation process is caused are solved.

The invention relates to a processing method of high-quality frozen chafing dish beef slices, in particular to a processing method of the high-quality frozen chafing dish beef slices, which comprises the following steps: by taking beef cattle acid-discharge-free cut meat as a raw material, firstly decocting a fishy smell removing liquid by adopting black tea powder and the like, blanching to remove fishy smell, rinsing, then carrying out ice-water bath rapid pre-cooling, fluidized bed liquid nitrogen freezing and the like, and finally preparing the high-quality frozen chafing dish beef slices. The high-quality frozen beef slice overcomes the quality defects of fat and protein oxidation, juice loss and the like of the traditional frozen beef slice, and can be used for hot food consumption at any time on a hot pot dining table according to the consumption demand of catering hot pot.

The utility model discloses a withering device for black tea processing, the withering device comprises a box body and a hinged shaft door plate, the hinged shaft door plate is movably hinged to one side of the box body through a hinge, a placing rack is arranged in the box body, a placing box is arranged on the upper side of the placing rack, a cover plate is movably hinged to the placing box through a hinge, and an inclined block is fixedly connected in the placing box. The communication block is fixedly arranged in the box body, the interior of the communication block is fixedly connected with a heating plate, an inclined block arranged in the placement box can effectively guide tea leaves in the placement box, so that the tea leaves can smoothly slide towards the middle of the placement box, and the possibility that the tea leaves are stacked at corners is reduced; meanwhile, the cam rotates to drive the placing box to move up and down, so that the tea leaves in the placing box are turned over, and the tea leaves are withered while the tea leaves are withered and the tea leaf withering efficiency and the yield are increased through cooperation with air heated by a heating plate and hot air blown out by an air outlet pipe.

The invention belongs to the technical field of biology, and discloses a strain of eurotium cristatum, the classification name of the eurotium cristatum is eurotium cristatum, and the preservation number of the eurotium cristatum is CGMCC (China General Microbiological Culture Collection Center) NO: 40145. The preservation date is March 10, 2022, the preservation unit is China General Microbiological Culture Collection Center, and the preservation address is No.3, No.1 Yard, Beichen West Road, Chaoyang District, Beijing. After the strain is used for fermenting the Yingde black tea, a characteristic peak appears at the position of 2min on a chromatogram, the content of the characteristic peak is obviously higher than the peak area of chromatograms of black tea fermented by other strains, and the strain has potential obvious effects of reducing blood fat and relieving fatty liver after acting on the Yingde black tea. Meanwhile, the invention also provides application of the strain.

The invention belongs to the technical field of skin care, and discloses a wrinkle-reducing and anti-wrinkle composition, application and skincare water.The wrinkle-reducing and anti-wrinkle composition is prepared from radix pseudostellariae extract, saccharomycetes / acetobacter xylinum / black tea fermentation products and coba balsam resin, the weight ratio of the radix pseudostellariae extract to the saccharomycetes / acetobacter xylinum / black tea fermentation product to the coba balsam tree resin is (0.01-0.1): (150-300): (10-150). The radix pseudostellariae extract, the saccharomycetes / acetobacter xylinum / black tea fermentation product and the coba balsam tree resin are compounded, so that the composition has low irritation and can generate the effect of synergistically improving the anti-oxidation effect of the composition, and a further skin anti-wrinkle effect is brought to the skin.

The invention belongs to the field of black tea, and particularly relates to large-leaf black tea and a preparation method thereof. The big-leaf black tea comprises the following components in parts by weight: 0.5-1.5 parts of pericarpium citri reticulatae, 1-3 parts of folium eriobotryae, 1-3 parts of partridge tea leaves and 10-20 parts of big-leaf tea. According to the big-leaf black tea disclosed by the invention, the pericarpium citri reticulatae, the folium eriobotryae and the partridge tea leaves are selected to be compatible with the Hainan big-leaf tea, after fermentation, the fragrance of the Hainan big-leaf tea can be improved, the taste of the Hainan big-leaf tea is enriched, the hypoglycemic activity of the Hainan big-leaf tea is improved, meanwhile, the characteristics of the Hainan big-leaf black tea are reserved, and the product of the Hainan big-leaf black tea is enriched; and a new thought is provided for development of related products of Hainan big-leaf black tea.

The utility model discloses a fermentation device with a turning mechanism for astragalus black tea production, and relates to the field of astragalus black tea production, the fermentation device comprises a base, the tops of the front and rear sides of the base are fixedly provided with supporting plates, the supporting plates are internally provided with sliding chutes, the inner walls of the sliding chutes are movably connected with sliding rods, and the sliding rods are movably connected with the turning mechanism. The top of the sliding rod is fixedly connected with a rotating seat, and a fermentation tank is arranged at the inner top of the rotating seat; the top of the left side of the fermentation tank is fixedly connected with a feeding pipe, and the bottom of the left side of the fermentation tank is fixedly connected with a discharging pipe. By arranging the servo motor body and the stirring blades, radix astragali black tea can be turned over, mixing of the radix astragali black tea and oxygen exchange are promoted, the stirring blades are arranged, the radix astragali black tea cannot be damaged, a scraping plate is arranged, the radix astragali black tea left or adhered to the inner wall can be scraped, meanwhile, a worm and a worm wheel are arranged, and the stirring blades are arranged, so that the stirring blades are convenient to operate. The radix astragali black tea can be further mixed and turned.

The utility model relates to the technical field of black tea processing, and discloses a drying box for black tea processing, which solves the problem that the drying box for black tea processing cannot fully dry black tea in the using process, and comprises a box body, box doors are symmetrically arranged on the outer side of the box body, a handle is fixedly installed on the side, away from the box body, of the box door, a ventilation net plate is fixedly installed in the top end of the box body in a penetrating mode, a control switch is fixedly installed on one side of the box body, an adjusting drying assembly is fixedly installed at the bottom of the box body, and the top end of the adjusting drying assembly extends into the box body; the circular placing screen frame is located at the bottom end in the box body, and a frame body is fixedly mounted at the bottom of the box body; according to the drying box for black tea processing, in the using process, black tea leaves can be fully dried, the working efficiency is improved, and therefore better practicability can be achieved conveniently.