257 results about "Anthocyanin" patented technology

The invention provides a composition with oil-controlling, acne-removing, barrier-repairing effects and application thereof, and belongs to the field of cosmetics. The composition is prepared from a baropetalum beetle leaf extract, a roselle flower extract, totarol and a cryptomeria fortunei bud extract. The baropetalum chinense leaf extract has the effects of balancing grease secretion and shrinking pores; the roselle flower extract is rich in organic acid and anthocyanin, and has the effects of dissolving pore keratosuppository, controlling oil, resisting inflammation, smoothing acne skin, preserving moisture and removing redness; as a bacteriostatic agent, totarol has a natural preservative effect on gram-positive bacteria and partial negative bacteria, and has the effects of removing acnes, sterilizing, diminishing inflammation, whitening and the like; the cryptomeria fortunei bud extract can promote skin tissue structure regeneration and strengthen skin barriers. The composition effectively regulates and controls excessive secretion of sebaceous gland grease and pox skin specific protein through the synergistic effect of various components, promotes the health of pox skin, repairs the skin barrier and enhances the self-protection ability of the skin at the same time.

The invention discloses an intelligent indicating film for freshness of aquatic products and a preparation method thereof.The indicating film comprises a base film and a color developing agent, the base film is synthesized from soybean protein isolate and locust bean gum, the color developing agent is purple sweet potato anthocyanin and alizarin, the interior of the indicating film is of a porous structure, and the indicating film is spongy; the preparation method comprises the following steps: preparing a base film solution, then adding purple sweet potato anthocyanin and alizarin, uniformly mixing, then adjusting the pH value to 6.0 + / -0.1 to obtain a film-forming solution, pouring the film-forming solution into a mold, and freeze-drying to obtain the indicating film. The purple sweet potato anthocyanin and the alizarin are combined for use, the color developing sensitivity and stability of the indicating film are improved, the film has a porous structure by combining freeze drying, the color developing sensitivity and stability of the indicating film are further improved, and the indicating film has application potential in the field of intelligent food packaging.

The present invention relates to methods involved in the production of flavonoids, anthocyanins and other organic compounds. The present invention provides cells engineered for the production of flavonoids, anthocyanins and other organic compounds wherein the engineered cells comprise one or more genetic modifications, the one or more genetic modifications increase the production of flavonoids by increasing the metabolic flux to the flavonoid precursors and / or reducing the carbon loss resulting from the production of by-products.

The invention discloses a preparation method of an aronia extract and an application of the aronia extract in protecting an intestinal barrier function, and belongs to the technical field of natural product extraction. The method comprises the following steps: mixing a hydrogen bond acceptor and a hydrogen bond donor according to a molar ratio of 1: (1-3), heating, and continuously stirring to obtain a natural eutectic solvent; dissolving an enzyme in the natural eutectic solvent to obtain an enzyme solution; mixing the enzyme solution with the aronia fruit powder, and performing ultrasonic extraction, enzyme deactivation and purification to obtain the aronia extract. According to the method, a hydrogen bond donor in a natural eutectic solvent is comprehensively utilized to improve the stability and solubility of anthocyanin in a system, and the good regulation and control capability and molecular complexing stability of hydrogen bond receptor natural quaternary ammonium salt; the method is superior to a traditional method in the aspects of extraction rate, environmental friendliness and raw material availability, the content of the extracted effective components is increased by nearly two times or more, and the method is suitable for high-value utilization of anthocyanin-rich natural resources represented by aronia.

The invention relates to the technical field of food, in particular to a composition for relieving anxiety and improving sleep and a preparation method and application thereof, and the composition is composed of jujuboside, anthocyanin, gamma-aminobutyric acid and ginsenoside Rb1. The jujuboside is derived from spina date seeds, the anthocyanin is derived from at least one of lycium ruthenicum, blueberry purple epidermis, aronia melanocarpa and mulberries, and the ginsenoside Rb1 is derived from at least one of ginseng roots, ginseng stems and leaves, ginseng flowers, panax notoginseng roots, panax notoginseng stems and leaves, panax notoginseng flowers, panax notoginseng fibrous roots and American ginseng. According to the invention, a plurality of components are synergistic, the efficacy is comprehensive and the pertinence is strong, the effective components are not simply mixed, but form a highly synergistic action system, and the efficacy covers multiple dimensions of improving sleep, relieving anxiety and improving the overall state.

The invention relates to a preparation method of aronia melanocarpa relaxing juice, and belongs to the field of food processing. The preparation method comprises the following steps: adding an edible gelatin aqueous solution with a freezing force value of 120-250Bloom g into aronia melanocarpa juice to obtain a mixed solution, adjusting the pH value of the mixed solution to 2-5, carrying out a water bath reaction, rapidly cooling, standing, filtering, sterilizing and canning to obtain the aronia melanocarpa softening juice. According to the method, specific precipitation of condensed tannin is realized by accurately regulating and controlling molecular conformation and reaction pH of gelatin, so that the content of condensed tannin in the aronia melanocarpa juice is reduced, adverse symptoms such as diarrhea and gas displacement increase caused by the condensed tannin are effectively relieved, meanwhile, a bioactive substance anthocyanin in the aronia melanocarpa juice is not destroyed by the method, and the method is suitable for large-scale production of the aronia melanocarpa juice. The raw material composition is simple, and the process is convenient and easy to implement.

The present invention discloses an anthocyanin film coated gel soft sweet preparation process optimization method, and relates to the technical field of soft sweet production and processing, the method comprises the processes of gel melting, sugar melting, blending, molding, coating pretreatment and coating, and a low temperature ultrasonic mixing technology is introduced in all the mixing processes in the previous steps, uniform dispersion of components is effectively promoted through vibration of the ultrasonic equipment, meanwhile, the working intensity of the ultrasonic equipment is automatically adjusted through a PID control algorithm according to real-time temperature feedback, and it is ensured that the temperature in the mixing process is always maintained in a target range. The temperature deviation is monitored in real time through a PID control method, the ultrasonic power is adjusted, the temperature change can be accurately controlled in the whole preparation process, heat-sensitive components such as anthocyanin are prevented from being inactivated due to overheating, and the effectiveness and stability of the heat-sensitive components are ensured.

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker for germplasm identification and breeding of armeniaca mume, and belongs to the technical field of fruit tree molecular marker-assisted breeding. On the basis of re-sequencing and selective clearance analysis of wild plum and armeniaca mume populations, a key gene remarkably related to the armeniaca mume cyanin deletion character is identified, and an SNP variation with a codon terminated in advance exists in a gene coding region; a specific primer is further designed according to the functional SNP variation, a target fragment corresponding to a plum genome is amplified through PCR, and the base type of an SNP site is detected through first-generation sequencing, so that whether the detected plant is the armeniaca mume germplasm or not can be quickly and accurately judged. The SNP molecular marker can be used for early screening of armeniaca mume germplasm, has important application value, and provides an efficient and reliable technical means for molecular marker-assisted breeding.

The invention relates to the technical field of food processing, in particular to a processing method of minced fillet gel. According to the processing method of the surimi gel provided by the invention, the efficient embedding and targeted delivery of the blueberry anthocyanin are realized by adding the self-made active emulsion of the ovalbumin-chitosan loaded blueberry anthocyanin and by virtue of pH gradient regulation and the synergistic effect of protein-polysaccharide; meanwhile, an ultrasonic treatment technology and a pulsed electric field physical processing technology are combined to improve the quality of the minced fillet gel, so that the problems of poor water binding capacity, loose gel network, non-uniform pore size distribution of the gel network and the like in the traditional minced fillet processing technology are solved. The surimi gel prepared by the method has the advantages of high water binding capacity, moderate hardness and elasticity, uniform pore size distribution of a gel network, strong deformation resistance of the gel network and high quality stability, and is suitable for industrial production of high-quality surimi products.

The present invention discloses a special nutrient solution for Chinese rose, its preparation method and application method, belonging to the technical field of garden planting. Calculated by weight parts, the special nutrient solution for Chinese rose includes 30-150 parts of angelica polysaccharide powder, 5-10 parts of diammonia enzyme, 5-10 parts of methyl dihydrojasmonate, 100-300 parts of organic carbon solution and 500-800 parts of water. The present invention promotes the accumulation of anthocyanins in Chinese rose through various ways, maintains the red flower color of Chinese rose, and achieves the technical effect of improving the ornamental value of Chinese rose.

The present invention relates to a colourant composition based on anthocyanins, comprising an extract of seedless Berberis vulgaris L. fruit and an extract of the skin of Myrtus communis L. fruit; to a method for preparing anthocyanin-based colourant compositions; and to the colourant composition obtained using the method. The present invention also relates to the uses of the colourant composition as a food colourant and, optionally, as a preservative and an antioxidant, and to food products comprising the colourant composition.

This invention belongs to the field of plant and component detection, specifically relating to a method for detecting anthocyanin content in different varieties of Hibiscus mutabilis and its application. The technical problem solved by this invention is to provide a method for detecting anthocyanin content in different varieties of Hibiscus mutabilis. The content detection method of this invention includes: A. Extraction and processing of Hibiscus mutabilis anthocyanin samples: mainly including optimization of flower pretreatment and extraction methods. B. Detection of the content of the extracted Hibiscus mutabilis anthocyanins using high-performance liquid chromatography (HPLC): mainly including optimization of parameters such as mobile phase type, mobile phase ratio, detection wavelength, and injection volume. This detection method can be applied to the correlation study between Hibiscus mutabilis flower color and components, for molecular breeding of Hibiscus mutabilis flower color, and for detecting the anthocyanin content of different Hibiscus mutabilis varieties to identify varieties that are difficult to distinguish.

The invention relates to an electrostatic spinning multifunctional packaging film with pH double responsiveness and a preparation method and application thereof, and belongs to the technical field of food packaging storage and detection. Oxidized sodium alginate with different oxidation degrees is obtained through periodate induction, the oxidized sodium alginate and carboxymethyl chitosan with amino are subjected to green crosslinking, polyvinyl alcohol is used as a spinning aid, then Nisin and anthocyanin are added into the polyvinyl alcohol, and the multifunctional packaging film with preservation and monitoring functions is prepared in combination with electrostatic spinning equipment. The packaging film obtained by the invention can intuitively reflect the change condition of freshness through rapid color change caused by the change of decay indexes of strawberries in the storage period on the basis of the high pH sensitivity of anthocyanin; under the same pH change condition, the release of Nisin can be intelligently regulated and controlled through the unique pH response characteristic of a Schiff base bond formed between oxidized sodium alginate and carboxymethyl chitosan, so that long-acting bacteriostasis is realized, and the shelf life of strawberries is remarkably prolonged.

The invention relates to the technical field of traditional Chinese medicines, in particular to a method for removing anthocyanin from dendrobium officinale and application. The technical problem to be solved by the invention is that the existing dendrobium officinale products are mostly purple in color and different in color depth, so that the cognition of consumers is influenced. According to the technical scheme, the preparation method comprises the following steps: adding fresh dendrobium officinale strips into an enzymolysis solution for enzymolysis; after the enzymolysis is finished, carrying out enzyme inactivation to obtain fresh dendrobium officinale strips subjected to enzymolysis treatment; and adding the fresh dendrobium candidum strips subjected to enzymolysis treatment into an ethanol solution, soaking and filtering to obtain a filtrate containing anthocyanin and the fresh dendrobium candidum strips with anthocyanin removed. The method is mainly used for efficiently removing anthocyanin from dendrobium officinale, so that a processed product is kept natural and green, the problem of discoloration is inhibited from the source, and the developed product can be ensured to keep the original green of dendrobium officinale stalks.

The invention discloses anthocyanin-protein composite powder with high stability as well as a preparation method and application of the anthocyanin-protein composite powder, and belongs to the technical field of biological food pigments. The preparation method comprises the following steps: mixing a black rice anthocyanin solution and a protein solution, stirring in a dark place, and freeze-drying to form the anthocyanin-protein composite powder. The anthocyanin-protein composite powder prepared by the method disclosed by the invention can be applied to the preparation of colored cold noodles, steamed buns and noodles, the stability of the black rice anthocyanin obtained by the method disclosed by the invention in tap water is improved, and the retention rate of the black rice anthocyanin in deionized water is also obviously increased; the starch is inhibited from aging to a certain extent, and the storage stability is improved. The anthocyanin in the prepared anthocyanin-protein composite powder is high in stability, the investment cost is low, and the anthocyanin-protein composite powder can be widely applied to the technical field of food processing and has wide application prospects in flour products.

The invention relates to the technical field of food packaging, in particular to a plasma modified polysaccharide intelligent packaging film and a preparation method and application thereof. The plasma modified polysaccharide film forming matter comprises a compound obtained by blending plasma modified polysaccharide and a water-soluble synthetic high-molecular polymer, and a nano-carrier loaded with a natural pH indicator. The invention aims to provide a degradable multifunctional intelligent packaging film which aims to overcome the defect that the stability of a natural indicator and the synergism of a film-forming substrate are insufficient. The method mainly solves the problems of degradation and migration of anthocyanin (ACNs) under the interference of light / heat / pH fluctuation and complex food matrix components, poor compatibility / dispersibility of a proteoglycan nano-carrier and a film-forming matrix, uneven color change caused by agglomeration, insufficient water resistance, biological activity, mechanical property and gas / water vapor barrier of a starch-based film and the like. And rapid, reversible and naked-eye-readable visual response can be realized in a pH / TVBN interval related to aquatic product spoilage.

The application discloses a sweet potato IbPSST2 gene and application thereof in promoting synthesis of anthocyanin of plants, and belongs to the technical field of genetic engineering.The nucleotide sequence of the sweet potato IbPSST2 gene disclosed by the application is shown as SEQ ID NO.1.The IbPSST2 gene has a remarkable function in regulating synthesis of anthocyanin of plants, and can be applied to quality improvement of sweet potatoes.

1. Name of the design product: Packaging box (blueberry anthocyanin, lutein ester, ginseng and iron-rich gummy bears). 2. Use of the design product: Packaging box for gummy bears. 3. Design key points of the design product: The combination of shape and pattern. 4. Picture or photo that best shows the design key points: Perspective view of Design 1. 5. Design 1 is designated as the basic design.

The invention relates to the technical field of grape anthocyanin extraction, in particular to an efficient grape anthocyanin extraction device which comprises an extraction box and a purification box, a liquid inlet pipe and a liquid outlet pipe penetrate through and are fixedly connected to the surface of the extraction box, and electromagnetic valves are arranged at the ends, located on the outer side of the extraction box, of the liquid inlet pipe and the liquid outlet pipe; a guide rod moves up and down along an annular wave groove when rotating along with a linkage column, so that the whole linkage column is driven to swing up and down while rotating, a vibrating frame further drives a vibrating head to crush chopped grapes, pulp is crushed and passes through a second filter screen, and the grape pulp is crushed and passes through the second filter screen. The peel is relatively thin and cannot be crushed due to grinding, and cannot penetrate through the second filter screen, so that the peel can be separated from the pulp and the kernel, the peel with more anthocyanin proportion is separated, the mixed raw materials with the pulp and the kernel being ground are independently treated, and the subsequent anthocyanin extraction efficiency is improved.

The invention relates to the technical field of eggplant manufacturing, in particular to a method for manufacturing primary-color high-anthocyanin eggplants, which comprises the following steps: selecting purple eggplants, cleaning, cutting into long strips, soaking the long-strip-shaped eggplants in a honey solution, and adding citric acid into the honey solution; preparing a color protection solution, adding an enzymolysis blocking agent into the color protection solution, and pouring the eggplants into the color protection solution for later use; preparing a soaking solution, soaking the eggplants in the soaking solution for 10 minutes, taking out the eggplants, performing vacuum packaging on the eggplants to obtain the primary-color high-anthocyanin eggplants, and performing cold storage. According to the method, color protection and synergism of the eggplants are achieved through a dual-targeting mechanism, meanwhile, nutrition preservation of the eggplants is achieved, synergistic repair of cell membranes in the eggplants is achieved through combination of ficin protease and bromelain, and triple-effect removal of fungi, bacteria and biological membranes of the eggplants is achieved through combination of natamycin and subtilin.

The invention relates to the technical field of electrical data processing, and provides an anthocyanin stabilizer screening method and system based on fusion of quantum chemistry calculation and machine learning. The method comprises the following steps: constructing a molecular structure data set; performing geometric structure optimization on the anthocyanin molecules and the candidate polyphenol molecules to obtain a ground state optimization structure; performing multi-dimensional molecule descriptor calculation on the candidate polyphenol molecules to obtain a polyphenol molecule descriptor matrix; performing structure optimization, single-point energy calculation and free energy calculation on the anthocyanin polyphenol compound system to obtain a combined free energy value set; integrating the polyphenol molecule descriptor matrix and the combination free energy value set, constructing a training data set, and performing feature screening; performing model training through a machine learning algorithm to obtain a combined free energy prediction model; and predicting the binding free energy of the anthocyanin polyphenol compound through the binding free energy prediction model to obtain candidate molecules of the anthocyanin stabilizer. The screening efficiency of the anthocyanin stabilizer is improved.

The method comprises the following steps: S1, pretreatment of raw materials: selecting frozen blueberries, unfreezing the frozen blueberries at normal temperature, manually crushing the unfrozen blueberries, determining the initial sugar degree of blueberry juice, and adding sucrose to adjust the sugar degree; selecting wine grape pomace, and storing at low temperature for later use; s2, enzymolysis and pomace addition: adding an enzymolysis agent into the blueberry juice with the adjusted sugar degree, wherein the addition amount of the enzymolysis agent is 0.2-0.3% of the mass of the blueberry juice, and carrying out enzymolysis treatment; then adding wine grape pomace; s3, alcoholic fermentation: adding activated grape wine active dry yeast into the treated blueberry juice, and fermenting in a constant-temperature and constant-humidity environment to obtain a wine body; and S4, clarification treatment: after the fermentation is ended, naturally clarifying the wine body in a normal-temperature dark environment, and removing precipitates until the wine body is clarified, thereby obtaining the blueberry wine with auxiliary color. Anthocyanin and phenolic substances in the wine grape pomace are precisely matched and interacted with original anthocyanin in the blueberry wine, so that efficient color supplementation of the blueberry wine is realized.

1. The name of the design product: packaging bottle (Schisandra chinensis anthocyanin microcapsule). 2. The use of the design product: for packaging. 3. The design points of the design product: the combination of shape, pattern and color. 4. The picture or photo that best indicates the design points: perspective view. 5. The design for which protection is sought contains color.

The invention discloses a method for improving yield of anthocyanin extracted by an enzymic method, according to the method, phospholipase is added and used to act on a cell membrane structure, so that the extraction rate of the anthocyanin and the extraction rate of galactoside in the anthocyanin are obviously improved, and the extraction effect of the anthocyanin is greatly improved through a three-stage enzymolysis system. The total enzymolysis extraction time is within 4 h, and compared with 6-7 h of a traditional enzymatic extraction process, the production period is greatly shortened.

The present application relates to the technical field of fermentation engineering, and specifically discloses an acidic beverage containing nano blueberry anthocyanins and a preparation method thereof, which comprises, in terms of weight parts, 400-450 parts of blueberry juice, 0.4-0.5 parts of nano blueberry anthocyanin powder, 50-60 parts of white granulated sugar, 8-10 parts of fructooligosaccharide, 40-50 parts of full-fat milk powder, 2-3 parts of pectin and 400-500 parts of purified water; wherein the particle size of the nano blueberry anthocyanin powder is not more than 100 nanometers, and the nano blueberry anthocyanin powder is coated nano blueberry anthocyanin powder; the present application provides an extremely efficient industrial processing scheme, which nano-treats blueberry anthocyanin raw materials, and at the same time, the nano blueberry anthocyanins are further coated with pectin-chitosan double layers, so that a dense physical barrier is formed by the double-layer coating; in addition, the small-particle-size raw materials can form a stable colloidal dispersion system in the beverage, thereby avoiding the agglomeration and sedimentation of ordinary micrometer-size particles due to gravity and molecular attraction.

The invention discloses prebiotics-enriched kombucha fermented castanopsis sclerophylla jelly which comprises the following components in parts by mass: 40-70 parts of castanopsis sclerophylla fermentation liquor, 3-15 parts of isomaltooligosacharide, 1-16 parts of purple sweet potato anthocyanin water extract, 6-22 parts of a composite coagulator and the balance of water. The invention also discloses a preparation method of the composition. Bitter taste of the castanopsis sclerophylla is reduced through kombucha fermentation, and flavor of the castanopsis sclerophylla is enriched; prebiotics (purple sweet potato anthocyanin and isomaltooligosacharide) are added for color mixing and seasoning, so that the sensory quality of the castanopsis sclerophylla jelly is enhanced, and meanwhile, the health effect of the castanopsis sclerophylla jelly is enhanced; by preparing the low-temperature composite coagulator, heating is not needed, the activity of probiotics in the jelly is kept to the maximum extent, and the effect of improving intestinal health is further enhanced. The fermented castanopsis sclerophylla jelly product with both prebiotics and probiotics is prepared by the method disclosed by the invention. Technical support is provided for development of high-added-value castanopsis sclerophylla food.

The invention relates to the technical field of packaging materials, in particular to an intelligent packaging film based on a multilayer packaging nanocomposite and a preparation method of the intelligent packaging film. On the basis of the anthocyanin CD-MOFs (core) with a physical adsorption function, an ovalbumin-sodium alginate (OVA-SA) nano-composite is innovatively introduced to construct a core-shell structure, and an OVA-SA shell and a CD-MOFs pore channel form a double barrier, so that the stability of the anthocyanin is remarkably improved; the OVA-SA shell is used as an interfacial compatibilizer, and the high chemical affinity of the OVA-SA shell and a corn starch / PVA matrix is utilized, so that nano-scale uniform dispersion of MOF particles in the matrix is realized, and agglomeration is effectively avoided; meanwhile, an active pH response gated release mechanism is formed, high stability is kept in the shelf life, shell response is triggered only when a decay product induces pH rise, anthocyanin is released, color development is carried out, and sensitive monitoring on the freshness of the high-protein food is achieved.

The invention discloses a preparation method of a waxberry composite preservative film, which comprises the following steps: adding waxberry anthocyanin, waxberry carbon dots and a plasticizer into a gelatin-K-carrageenan solution, uniformly stirring and mixing, ultrasonically degassing, forming a film by using a mixed solution, and drying at room temperature to obtain the waxberry composite preservative film, the preservative film has good water vapor and oxygen barrier property and excellent mechanical property; in addition, the film shows freshness indicating ability through pH responsiveness; meanwhile, the adopted preparation method is easy to operate and free of special equipment requirements, high-value utilization of waxberry waste is achieved, and the prepared composite preservative film has a huge application market prospect in the field of fresh-keeping packaging of meat which is prone to oxidation and microorganism breeding.

This invention discloses a slow-digesting pregelatinized yam powder loaded with anthocyanins and its preparation method, relating to the field of food ingredient technology. The preparation method includes the following steps: Step S1, preparation of multi-field assisted yam milk; Step S2, pregelatinization; Step S3, loading with anthocyanins; Step S4, spray drying. The yam powder disclosed in this invention exhibits high slow-digesting performance, excellent anthocyanin dispersibility and stability, and good color and taste.