262 results about "Dendrobium" patented technology

The invention discloses a composite plant polypeptide composition with the effects of repairing pancreas and reducing blood sugar. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 10 to 50 parts of ginsenoside, 5 to 30 parts of radix astragali seu hedysari extract, 3 to 20 parts of radix rehmanniae polysaccharide, 2 to 15 parts of radix trichosanthis alkaloid, 5 to 25 parts of rhizoma dioscoreae polysaccharide, 5 to 30 parts of bitter gourd polypeptide, 3 to 20 parts of folium mori alkaloid, 8 to 40 parts of rhizoma polygonati polysaccharide, 5 to 25 parts of fructus hippophae flavone, 10 to 35 parts of wheat germ peptide, 2 to 15 parts of coptis berberine, 10 to 45 parts of corn stigma polysaccharide and 3 to 20 parts of saussurea involucrata polyphenol. 1-10 parts of sophora flavescens total alkaloids, 5-25 parts of a dendrobium extract, 5-30 parts of a radix puerariae extract, 8-35 parts of L-arabinose and 10-40 parts of small molecule peptides; 20 to 100 parts of collagen peptide and 15 to 80 parts of albumin peptide; 5-50 parts of microcrystalline cellulose, 3-30 parts of fructo-oligosaccharide and 0.5-5 parts of magnesium stearate; the limitation of single sugar control or simple component mixing in the prior art is broken through, a synergistic system of plant active components and functional polypeptides is constructed, and the purity and retention rate of the plant active components are improved by optimizing the extraction process.

The invention relates to the technical field of dendrobium officinale processing, and particularly discloses a method for realizing high value-added conversion of dendrobium officinale alkaloid based on efficient extraction. The method for realizing high value-added conversion of dendrobium officinale alkaloid based on efficient extraction comprises the following steps: S1, pretreatment and activation of raw materials: crushing dried dendrobium officinale stalks to 60-100 meshes to obtain dendrobium powder; mixing the dendrobium nobile powder with an activating agent aqueous solution to obtain activated wet dendrobium nobile powder; s2, deep eutectic solvent synergistic microwave extraction; s3, precipitation and enrichment of an anti-solvent; s4, cleaning and drying the precipitate; s5, preparing alkaloid nanoparticles; and S6, preparing the functional health-care product preparation. As a functional dietary supplement, the dendrobium officinale alkaloid solid beverage tablet or capsule provided by the invention can be used for daily health care, and has the advantages of high bioavailability, strong intestinal synergistic regulation function and good physical stability.

The invention discloses a coffee-flavor plant extract and a preparation method thereof, and the coffee-flavor plant extract is refined by using lophatherum gracile, Chinese olive, folium cortex eucommiae, dendrobium officinale, astragalus membranaceus, codonopsis pilosula, dandelion and liquorice as composite plant raw materials through multi-strain synergistic fermentation and oak barrel aging and curing technologies. The dissolution rate and bioavailability of various bioactive components such as chlorogenic acid, ginsenoside, curcumin and dendrobium polysaccharides are effectively improved through multi-strain synergistic fermentation. The oak barrel ageing endows the product with unique baking, nut and vanilla flavors, the taste is mellow, and the flavor characteristic of coffee is effectively simulated. The plant extract prepared by the invention is rich in various functional components, and can assist in improving the memory ability. Meanwhile, a healthy, caffeine-free and rich-flavor herbaceous plant beverage is provided for consumers, a new solution is provided for product development of plant extracts, and huge market potential and economic value are achieved.

This invention discloses a method for controlling the growth of *Dendrobium fusiforme*, comprising: step one, capturing and culturing *Daphnia fusiforme* as individuals; step two, toxicity acclimatization culture of *Daphnia fusiforme*; step three, selection of toxicity acclimatization genotypes of *Daphnia fusiforme*; and step four, controlling the growth of *Dendrobium fusiforme* using toxicity-acclimatized genotypes of *Daphnia fusiforme*. This invention acclimatizes *Daphnia fusiforme* by feeding it with a toxin-producing strain of *Dendrobium fusiforme*, obtaining toxicity-acclimatized genotypes of *Daphnia fusiforme*, thus improving the survival rate and reduction rate of *Daphnia fusiforme* when treating *Dendrobium fusiforme*. Using toxicity-acclimatized genotypes of *Daphnia fusiforme* for biological algae control effectively improves the control effect on the growth of *Dendrobium fusiforme*.

1. Name of the product in this design: Wine Box (Zaofu-Dendrobium Sauce Wine). 2. Purpose of this design: A box for holding wine bottles. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color.

The present application relates to the technical fields of oligosaccharide preparation, and discloses a preparation method of dendrobium huoshanense oligosaccharide with liver protection activity, and the specific steps are as follows: first, fresh dendrobium huoshanense stems are selected, impurities are removed, and low-temperature drying is performed, then deionized water is added and heated to extract dendrobium crude polysaccharide; then the crude polysaccharide solution is refined to obtain dendrobium refined polysaccharide; then beta-mannanase is added to the dendrobium refined polysaccharide extraction solution for enzymolysis, the polysaccharide solution is removed through a molecular cut-off membrane, and dendrobium huoshanense oligosaccharide stock solution concentrate is obtained; finally, the finished product is obtained through freeze-drying. The preparation method is simple, efficient and pollution-free, and the prepared dendrobium huoshanense oligosaccharide has significant effects in liver protection.

The present application relates to the field of functional tea preparation technology, in particular to a health-preserving black tea rich in dendrobium polysaccharide and a preparation method thereof, comprising the following steps: pre-treating tea fresh leaves by spreading in the dark, subjecting fresh dendrobium strips to successively ultra-low temperature wall breaking, ultrasonic-assisted enzymatic hydrolysis and ultrafiltration purification to obtain a high-activity dendrobium polysaccharide enrichment liquid; subjecting the tea fresh leaves to primary withering by hot air, secondary withering under low oxygen after vacuum pulse spraying of the polysaccharide liquid; pulse gradient rolling of the tea leaves under a low-temperature environment, ultrasonic atomization supplementary spraying of the polysaccharide liquid in the heavy rolling stage; inoculation of the rolled and twisted leaves with a compound microbial inoculum, and fermentation under segmented temperature and oxygen control; and gradient drying by infrared, hot air and microwave. The present application solves the problems of polysaccharide loss and flavor fragmentation of existing dendrobium black tea, can efficiently enrich and stably retain dendrobium polysaccharide, realize deep and uniform loading of the polysaccharide, greatly improve the health-preserving value of the product, optimize the sensory quality of the black tea, coordinate the aroma and taste, and has strong controllability, is suitable for large-scale production, and takes into account the efficacy and drinking taste.

The invention belongs to the technical field of processing technologies of dendrobium candidum tea, and particularly relates to dendrobium candidum composite tea as well as a preparation method and application thereof. The dendrobium officinale composite tea is prepared by mixing dendrobium officinale stems, dendrobium officinale leaves, Chinese wolfberry fruits, roses and licorice roots according to the proportion of (2.4 g-4g): (0.4 g-0. 8g): (2.535 g): (0.688 g: 0.400 g). The dendrobium officinale stems and the dendrobium officinale leaves are obtained through vacuum freeze drying. The dendrobium officinale composite tea is high in leaching rate and can effectively resist oxidation and maintain the healthy level of blood sugar.

The invention relates to the technical field of microorganisms, and discloses a pseudobacillus strain FD-6, a microbial agent and application of the pseudobacillus strain FD-6 to promotion of growth of dendrobium chrysotoxum and nitrogen turnover efficiency. According to the present invention, the preservation number of the bacterial strain FD-6 of the bacillus sp. Is CCTCC (China Center for Type Culture Collection) NO: M 20252238, and the preservation number of the bacterial strain FD-6 is CCTCC NO: M 20252238; through bacterial liquid preparation and rhizosphere application, the growth of the dendrobium chrysotoxum root system can be obviously promoted, and the root number, the root system specific surface area and the root biomass are improved; meanwhile, rapid growth of the overground part is remarkably promoted, and the tiller number, the leaf number and the overground part biomass are increased. By comprehensively regulating and controlling the nitrogen accumulation amount, the nitrogen absorption efficiency and the nitrogen utilization efficiency of the root system and the overground part of the dendrobium chrysotoxum, the plant nitrogen turnover efficiency of the dendrobium chrysotoxum from the root system to the overground part of the dendrobium chrysotoxum is remarkably improved. The microbial inoculum prepared from the single strain of the pseudomonas strain FD-6 provided by the invention is simple in preparation process and extremely low in application cost, and has wide development and utilization prospects and popularization and application values.

The invention provides a mild refreshing borneol essential oil compound as well as a preparation method and application thereof. The borneol essential oil compound is prepared from the following components in parts by weight: 1 to 50 parts of borneol, 0.1 to 50 parts of menthol, 1 to 10 parts of natural camphor, 0.1 to 0.5 part of herba dendrobii essential oil, 35 to 70 parts of carrier oil, 0.2 to 1 part of vitamin E, 1 to 3 parts of eudesmol, 0.2 to 1 part of limonene and 0.5 to 5 parts of cinnamomum camphora essential oil clathrate compound. The borneol essential oil compound prepared by the invention has the advantages of better stability, high essential oil retention rate, freshness and durability, mild components without skin irritation, and refreshing effect, and can be applied to preparation of products such as snorting essential oil, roll-on essential oil or vehicle-mounted fragrance and the like.

The invention provides ginseng fermentation-dendrobium base cream with protection and nourishing functions and a preparation method and application of the ginseng fermentation-dendrobium base cream, and belongs to the technical field of cosmetics. The sun screen is mainly prepared from water-phase components such as ginseng fermentation liquor, dendrobium officinale extract, purslane flower water and tremella polysaccharide. Oil phase components such as pteroceltis tatarinowii seed oil, baobab oil and macadamia nut seed oil; sericite, titanium dioxide, zinc oxide and other powder components; the composition is prepared by compounding the raw materials, ceramide 3, ethylhexylglycerin, natural plant essential oil and other components according to a specific mass percentage and a preparation process, and the pH value is adjusted to 5.5-6.5. The sun screen has excellent physical isolation and ultraviolet ray blocking functions, deeply nourishes and repairs skin barrier, improves skin quality, and is mild and comfortable in skin feeling and remarkable in effect.

The invention discloses a traditional Chinese medicine fumigation bag for relieving eye fatigue and a preparation method and application thereof, and belongs to the technical field of eye medicine. The traditional Chinese medicine fumigation bag for relieving eye fatigue is prepared from the following components in parts by weight: 10 to 30 parts of flos chrysanthemi indici, 10 to 30 parts of frosted folium mori, 10 to 30 parts of semen cassiae, 10 to 30 parts of herba gynostemmatis pentaphylli, 5 to 20 parts of herba menthae, 5 to 20 parts of folium perillae and 5 to 20 parts of herba dendrobii. According to the traditional Chinese medicine fumigation bag, through formula design, a slow release technology and a double-layer packaging technology, the defects that in the prior art, the medicine effect is short, and components are prone to losing are overcome, and the effect of a traditional fumigation therapy method is remarkably improved.

The invention belongs to the technical field of plant beverage processing, and particularly relates to a gingko, dendrobium officinale and ginseng plant beverage crushing, mixing and preparing device which comprises a mixing and preparing machine, a universal pulverizer, an ultrafine pulverizer, a freezing pulverizer and a high-pressure homogenizer, and the mixing and preparing machine comprises a material cavity, a feeding opening, a discharging opening and a stirring mechanism; the preparation method of the mixing preparation machine comprises the following preparation steps: S1, raw material pretreatment: selecting ginkgo leaves, fresh dendrobium officinale strips and ginseng rhizomes which are free of mildew and diseases and insect pests, cleaning the ginkgo leaves, drying the ginkgo leaves with hot air, removing fibrous roots from the fresh dendrobium officinale strips, cutting the fresh dendrobium officinale strips into long sections, peeling the ginseng rhizomes, and cutting the peeled ginseng rhizomes into long slices; s2, graded crushing is conducted, specifically, the pretreated ginkgo leaves are put into a universal pulverizer to be pulverized and then transferred into an ultrafine pulverizer to be further pulverized into fine particles, and the device solves the problems that when the ginkgo, dendrobium officinale and ginseng plant beverage is prepared through crushing and mixing at present, the mixing effect is poor, and the stability and taste of the beverage are directly affected.

The utility model relates to the technical field of dendrobium production discloses a kind of special-purpose sugar-free substrate direct seeding breeding device of dendrobium, including frame assembly, it is characterized by: the front side top of frame assembly is fixedly installed with transmission component, and the bottom of frame assembly is fixedly installed with soil turning and covering component, transmission component side is associatedly installed with moving component, and the same side of transmission component is also associatedly installed with seeding component, the moving component is limit installation in the bottom of frame assembly, and the seeding component is fixedly installed in the rear side top of frame assembly. The utility model is installed with seeding component on device, can make when using this device, the effect that seed is sequentially seeded by the seeding component set, avoid the condition that traditional machine is uniformly seeded in large quantity, cause plant to be nourished between a soil, further cause the waste of resources.

The application discloses a long-term in-vitro preservation method for endangered Dendrobium germplasm, which comprises the following two steps: a first stage of inhibiting growth medium for long-term preservation of sterile Dendrobium seeds, and a second stage of recovery growth medium for seedling induction culture; the inhibiting growth medium formula is oat 40-80 g / L+ agar 6 g / L; and the recovery growth medium formula is 1 / 2MS+ peptone 1.0 g / L+ activated carbon 1.0 g / L+ sucrose 25 g / L+ agar 6.0 g / L+ potato 50 g / L+ banana 80 g / L+ apple 15 g / L. The method can realize long-term preservation and utilization of endangered Dendrobium germplasm resources by using organic additives, preparing suitable culture medium, adjusting the pH value and the like, and has the advantages of high preservation rate, long preservation time, low cost, good germplasm traits and the like.

1. The name of the design product: Dendrobium packaging gift box. 2. The use of the design product: for the packaging of Dendrobium. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective drawing.

The utility model is applicable to the technical field of dendrobium officinale planting, and provides a mosquito eradication device used in a dendrobium officinale planting greenhouse, which comprises fixing frames clamped on two sides of a dendrobium officinale planting box. The mosquito killing net is mounted at the top of the fixing frame and is used for isolating and killing mosquitoes; the protective cover is hinged to the mosquito killing net and used for sealing the mosquito killing net, and a ventilation opening allowing light to pass through is formed in the protective cover; the limiting plate is fixed in the mosquito killing net and is used for supporting the protective cover; the isolation plates are mounted on two sides of the mosquito killing net and are used for sealing the mosquito killing net. According to the scheme, the mosquito killing device used in the dendrobium officinale planting greenhouse not only can kill mosquitoes, but also can protect dendrobium plants and prevent the mosquitoes from getting close to the plants, so that the sheltering space of the plants is reduced, and the mosquito killing effect is further improved.

The invention relates to an active pharmaceutical ingredient for repairing oral mucosa and a preparation method of the active pharmaceutical ingredient, and belongs to the technical field of biological medicine, and the active pharmaceutical ingredient comprises an amanita aurantiaca mycelium active peptide-myrobalan polyphenol composite entrapment substance, a dendrobium nobile callus extract, sorbitol, menthol, a gel matrix and the like. The amanita aurantiaca mycelium active peptide-myrobalan polyphenol composite entrapment substance is obtained by entrapment of a compound of amanita aurantiaca mycelium active peptide and myrobalan polyphenol through a sodium alginate-dopamine grafted copolymer; the amanita aurantiaca mycelium active peptide is obtained by performing common enzymolysis on the mycelium of amanita aurantiaca through bromelain and bacillus subtilis protease. The dendrobium nobile callus extract is obtained by inducing slices of dendrobium nobile seedling leaves with 2, 4-D and 6-BA, extracting and purifying. The gel matrix is prepared from modified konjac glucomannan and carboxymethyl chitosan. All the components form an anti-inflammatory, proliferative and remodeled closed-loop repair system, and the anti-degradation stability and the adhesion long-term effect are improved.

The application is suitable for the technical field of dendrobium planting, and provides a dendrobium three-dimensional planting device and method, which comprises a box body, a side plate is fixedly installed on the top of the box body, a fixing rod is fixedly installed on the side plate, a first roller is rotatably installed on the fixing rod, and a steel wire rope is arranged on the first roller; a planting frame is arranged above the box body, the top of the planting frame is fixedly connected with the end of the steel wire rope, limit blocks are fixedly installed on the two sides of the planting frame, limit rods are slidably installed on the limit blocks, and the bottom ends of the limit rods are fixedly connected with the top of the box body. The dendrobium three-dimensional planting device and method provided by the scheme solve the problem that the existing dendrobium three-dimensional planting device has a small planting amount and low space utilization rate when in use, thereby causing the problem of waste of space resources when a large amount of dendrobium is planted.

The application discloses a fungus for promoting growth and flavonoid content accumulation of dendrobium officinale seedlings, wherein the strain is Serendipita sp. WX7, the preservation number is CGMCC NO. 40596, the preservation center is the General Microbiological Center of China, the preservation date is May 29, 2023, the preservation address is No. 3, Xibinxi Road, Chaoyang District, Beijing, and the classification name is Serendipita sp. The fungus has a significant promoting effect on the growth and development of dendrobium officinale seedlings and secondary metabolites, and provides an excellent strain resource for solving the bottleneck problem of low content of effective components of dendrobium officinale in artificial cultivation by using mycorrhizal symbiotic technology.

The utility model discloses dendrobium huoshanense impurity removing and sorting equipment, and relates to the technical field of impurity removing and sorting equipment, the dendrobium huoshanense impurity removing and sorting equipment comprises a support, a motor is fixedly installed in the support, the output end of the motor is provided with a transmission assembly, and the top of the support is provided with a reciprocating assembly; four symmetrically-distributed pulleys are fixedly mounted at the top of the support, a sorting box is arranged at the tops of the four pulleys, a screening plate is fixedly connected to the bottom of the sorting box, a flattening assembly is arranged in the sorting box, and a discharging assembly is arranged at the top of the sorting box. The dendrobium huoshanense can be subjected to impurity removal and sorting only by rotating the rotating shaft, before sorting, the dendrobium huoshanense can be automatically and uniformly poured into the sorting box, and the defects that when the dendrobium huoshanense is poured into the sorting box traditionally, the dendrobium huoshanense is accumulated at one position of the sorting box, the subsequent sorting operation of the dendrobium huoshanense is affected, and meanwhile, the sorting time is long are overcome; and the use of workers is greatly facilitated.

The application discloses a traditional Chinese medicine composition for treating Sjogren's syndrome, which is prepared from the following traditional Chinese medicine decoction pieces: 10-20 parts of ginseng, 5-15 parts of radix codonopsis, 15-25 parts of radix polygonati, 10-20 parts of polygonatum, 5-15 parts of cortex moutan, 10-20 parts of ophiopogon, 5-15 parts of radix paeoniae alba, 5-15 parts of dendrobium, 10-20 parts of radix rehmanniae, and the like, and discloses a preparation method and application thereof. The application can supplement lung qi and lung yin, supplement the spleen and the earth to generate gold, promote the functions of moistening the lung and nourishing yin, benefiting the stomach and generating saliva, supplement kidney yin and heart blood, activate blood and remove blood stasis, dredge the liver and regulate qi, and achieve the purpose of treating Sjogren's syndrome of qi and yin deficiency.

The invention relates to the technical field of plant extraction, and particularly discloses a dendrobium officinale extract with a senescence delaying effect and a preparation method thereof.The preparation method comprises the steps that dendrobium slices are subjected to wall breaking operation, and a permeating material is obtained; carrying out segmented enzymolysis on the permeation material in an enzymolysis tank; in the enzymolysis process, a bypass cycle containing first resin is constructed, and primary alkali removal is performed on enzymatic hydrolysate; carrying out pulse type water extraction on the enzymatic hydrolysate subjected to alkali removal; performing microfiltration on the enzymatic hydrolysate subjected to water extraction; concentrating the micro-filtered enzymatic hydrolysate to a target multiplying power to obtain a concentrated solution; and adjusting the pH value of the concentrated solution to 2.8-3.2, and introducing the concentrated solution into a resin bed for secondary alkali removal. The invention provides a strong destructive extraction scheme based on enzymolysis, extracts are polyphenol and flavone, and a sectional alkali removal process aiming at alkaloid is introduced in the extraction process, so that on one hand, the impurity content is reduced, and on the other hand, the extraction environment of the enzymolysis extraction process is guaranteed.

The invention discloses a high-polysaccharide dendrobium officinale variety germination period directional screening cultivation method, and belongs to the technical field of tissue culture. The invention provides a high-polysaccharide dendrobium officinale variety germination period directional screening cultivation method aiming at the problems that existing dendrobium officinale germplasm is mixed and the polysaccharide content is unstable. According to the method, the concentration of a periodate solution adopted for acidolysis treatment is remarkably reduced, the acidolysis time is shortened, a chromogenic reaction is achieved outside the protocorm, the situation that epidermal cells of the protocorm are excessively damaged and a coloring agent enters the protocorm to cause tissue structure change is avoided, and it is guaranteed that the structure of dendrobium officinale is complete and the shape of dendrobium officinale is stable; meanwhile, the dyeing time is shortened, rapid and lossless identification of the dendrobium officinale high-polysaccharide germplasm in the protocorm stage is achieved, the breeding period is remarkably shortened, and the screening accuracy and efficiency are improved. The cultivated high-polysaccharide dendrobium officinale variety shows consistency and stability in the aspects of polysaccharide content and agronomic traits.

The invention relates to the technical field of liquid pharmaceutical equipment, and discloses an anti-sticking device for extracting traditional Chinese medicinal materials such as phellinus igniarius and dendrobe and a working method of the anti-sticking device. The device comprises an annular sleeve, an air bag, an air pipe and a mesh structure, the annular sleeve and a main shaft of the reaction tank are coaxially arranged, the annular sleeve is in a central symmetry gradually-changing contraction state in the direction from the position close to the inner wall to the position away from the inner wall, and a slotting structure penetrating through the whole annular face is arranged on the side close to the inner wall; the mesh structures are arranged on the upper and lower surfaces of the annular sleeve; the air bag is arranged in the inner space of the annular sleeve. The working method includes the steps that the mesh structure is sealed by inflating the air bag, part of the air bag is extruded out of the slotting structure to make contact with the tank wall, and the annular sleeve is driven to ascend through buoyancy; the device can be used in cooperation with an ultrasonic-assisted extraction and hot reflux extraction process, so that the extraction efficiency of the effective components of the traditional Chinese medicinal materials is improved, and the continuity and stability of the extraction process are ensured.

The utility model relates to a dendrobium processing technical field, specifically disclose a kind of quantitative discharging device of dendrobium powder, including the hopper container of dendrobium powder placement;The lower end of funnel container is equipped with side face through groove;Discharge plate is sealingly slidably inserted in the side face through groove;Multiple quantitative grooves are evenly spaced and provided in the discharge plate;The lower surface of discharge plate is equipped with invisible groove corresponding quantitative groove;Hinge unit is equipped in the invisible groove;By pouring dendrobium powder into funnel container, then filling the quantitative groove in discharge plate under the action of gravity, then pull out discharge plate, so that the hinge unit under the quantitative groove of outermost side is suspended, at this time, hinge unit is bent and exposes quantitative groove, at this time, dendrobium powder in quantitative groove can be discharged, dendrobium powder of several units is needed, pull out several quantitative grooves, to realize the dendrobium powder of multiple units is removed once, also can guarantee safety and stability.

The application provides a culture medium for producing dendrobium stem cell exovesicles and an application thereof, relates to the technical field of biology, and the culture medium for producing dendrobium stem cell exovesicles comprises 0.1-0.5 mg / L naphthalene acetic acid, 0.05-0.2 mg / L thidiazuron, 0.5-5 muM sodium selenate and 1-10 mg / L glutathione. The culture medium for producing dendrobium stem cell exovesicles and the method for preparing dendrobium stem cell exovesicles by using the culture medium for producing dendrobium stem cell exovesicles provided by the application have made significant progress in the yield and quality of dendrobium stem cell exovesicles. Meanwhile, the prepared dendrobium stem cell exovesicles have significant DPPH free radical scavenging capacity and improve the healing capacity of skin fibroblasts.

This invention provides an application of a specific DNA molecule in identifying the authentic quality of Dendrobium officinale. The specific DNA molecule includes the sequence shown in SEQ ID NO.1. Based on the principles of epigenetics, this invention identifies environment-associated molecular markers in Dendrobium officinale grown under different environments. Using these markers for quantitative real-time PCR, the growth environment of Dendrobium officinale materials can be distinguished within one day. The procedure is simplified, easy to operate, and cost-effective, providing an objective and qualitative detection method for the authentic quality of Dendrobium officinale.

The invention relates to application of zeaxanthine in improving cold resistance of plants, and belongs to the technical field of agriculture. The invention provides an application of zeaxanthine in improving the cold resistance of a plant. The plant is dendrobium nobile. According to the method, zeaxanthine aqueous solutions with different concentrations are sprayed to the low-temperature-stressed dendrobium nobile, and by measuring various parameters of the dendrobium nobile, results show that the yellow leaf rate, the leaf falling rate and the relative electric conductivity of plants can be reduced by spraying the zeaxanthine aqueous solution with the concentration of 50 mg / L to the low-temperature-stressed dendrobium nobile plants, the low-temperature semi-lethal temperature of the plants is reduced, and the yield of the plants is increased. The content of malonaldehyde, soluble protein, soluble sugar, proline and chlorophyll in the plants can be increased, the stress resistance of the plants is enhanced, damage caused by low temperature is relieved, and it is comprehensively known that the cold resistance of the dendrobium nobile can be enhanced by externally applying the zeaxanthine aqueous solution with the concentration of 50 mg / L.

The invention relates to the technical field of health care product preparation, in particular to an anti-oxidation and anti-aging composition containing dendrobium officinale polysaccharide and application of the anti-oxidation and anti-aging composition in beauty and health care products. Comprising the following steps: mixing dendrobium officinale with water, extracting, filtering to obtain a filtrate, concentrating to obtain a concentrated solution, and carrying out alcohol precipitation to obtain a precipitate; extracting the precipitate with an extracting agent, concentrating under reduced pressure, and freeze-drying to obtain crude polysaccharide; and dissolving the crude polysaccharide with water, and sequentially loading on an ion exchange column and a gel column for purification to obtain the dendrobium officinale polysaccharide. According to the anti-oxidation and anti-aging composition containing the dendrobium officinale polysaccharide, provided by the invention, an efficient comprehensive anti-aging function is realized through a multi-target and multi-channel synergistic effect. The composition not only can strongly remove various free radicals such as DPPH free radicals, hydroxyl free radicals and superoxide anions and relieve oxidative stress injury, but also can effectively inhibit generation of melanin, has definite whitening and spot-fading effects, and is wide in application prospect.