125 results about "Lutein" patented technology

The invention relates to the technical field of eutectic crystals, in particular to a lutein and mannitol eutectic crystal as well as a preparation method and application thereof, an XRD (X-Ray Diffraction) pattern of the eutectic crystal has characteristic diffraction peaks at least at positions where 2 theta angles are 9.71 degrees, 19.44 degrees, 20.4 degrees, 21.17 degrees, 22.07 degrees, 24.67 degrees, 25.32 degrees, 36.1 degrees, 40.39 degrees and 44.9 degrees, and error tolerance of + / -0.2 degrees exists; a characteristic endothermic peak exists at 163.7 DEG C in a DSC spectrum, and an error tolerance of + / -0.2 DEG C exists; the preparation method comprises the following steps: respectively dissolving mannitol and xanthophyll in water and absolute ethyl alcohol, mixing, carrying out high-temperature and high-pressure reaction, standing, crystallizing, filtering, spray-drying and grinding to obtain the eutectic crystal, and the eutectic crystal can be applied to cosmetics, health-care products, foods and medicines. The eutectic crystal provided by the invention has the advantage of good stability.

Crystalline polymorphic lutein and cocrystal forms of lutein are disclosed. The new forms have enhanced bioavailability and stability, and may be used, for example, for topically delivering lutein to the eye for inhibiting or preventing cataracts, macular degeneration, and photooxidative damage to retinal pigment epithelium.

The invention belongs to the technical field of emulsion gel preparation, and discloses a preparation method of interpenetrating cross-linked network emulsion gel for improving the stability of anthocyanin and xanthophyll. According to the invention, a whey protein network induced by TG enzyme and a sodium alginate network induced by Ca < 2 + > are mutually crosslinked to form emulsion gel with an interpenetrating network structure, and purple sweet potato anthocyanin extract and xanthophyll are jointly loaded. The whey protein and sodium alginate interpenetrating cross-linked network emulsion gel is good in rheological property, uniform in micro-pore distribution and high in anthocyanin and xanthophyll stability, has the advantages of being natural, environmentally friendly, green and sustainable, and has wide application prospects in the field of functional food.

The invention belongs to the technical field of microcapsules, and particularly relates to a lutein-loaded curdlan-sodium alginate microcapsule as well as a preparation method and application thereof. According to the preparation method of the lutein-loaded curdlan-sodium alginate microcapsule provided by the invention, curdlan and sodium alginate are taken as embedding raw materials, and the lutein-loaded microcapsule is prepared by adopting an emulsification / internal gel method. According to the microcapsule prepared by the method, on one hand, the microcapsule has better mechanical strength, and the embedding rate and the loading capacity of xanthophyll can be improved; on the other hand, curdlan and sodium alginate are blended and compounded to play a synergistic role, so that the stability of the xanthophyll under light, heat and storage conditions is remarkably improved, the xanthophyll is promoted to be well released in gastrointestinal tracts, and the defects that a single microcapsule is poor in mechanical strength, easy to leak, poor in stability and incapable of being well released in the gastrointestinal tracts are comprehensively overcome; the bioavailability and the application range of the lutein in foods and medicines are favorably improved.

The invention belongs to the technical field of microorganisms, and discloses chlorella sorokiniana M6, application of the chlorella sorokiniana M6 and a method for synchronously synthesizing xanthophyll and protein. The preservation number of the Chlorella sorokiniana M6 provided by the invention is GDMCC NO.66205, the Chlorella sorokiniana M6 has an excellent capability of co-producing lutein and protein, and is almost free of chlorophyll synthesis, so that the Chlorella sorokiniana M6 has very important economic value and practical significance for realizing commercial application of microalgae protein and lutein production.

The extraction device comprises a stirring barrel, the upper surface of the stirring barrel is fixedly connected with a stirring assembly, the other end of a first liquid discharging pipe is fixedly connected with a water stop valve, the interior of the left side of the water stop valve is fixedly connected with a second liquid discharging pipe, and the other end of the second liquid discharging pipe is connected with a filtering assembly in a penetrating mode. A motor I drives a square rod, a stirring rod, a stirring rod and a stirring blade to rotate, an extrusion block II moves downwards under the action of an extrusion block I so as to drive the stirring rod to move downwards, and the stirring blade moves upwards under the action of a spring, so that the stirring blade moves up and down while stirring; according to the present invention, the mixing time of the plant raw material and the organic solvent is substantially shortened, the xanthophyll can be rapidly dissolved in the organic solvent, the filtration assembly drives the filtration hopper to rotate through the motor 3, and the internal mixed liquid rapidly passes through the filtration hopper under the high-speed rotation so as to achieve the rapid filtration of the xanthophyll-containing mixed liquid.

The invention provides a xanthophyll nano-particle based on electrostatic self-assembly, which is formed by electrostatic self-assembly and spontaneous aggregation of polyglutamic acid and chitosan oligosaccharide and embedding of xanthophyll at the same time. The mass ratio of the polyglutamic acid to the chitosan oligosaccharide to the xanthophyll is 4: 600: 3; the particle size of the xanthophyll nanoparticles is 180-250 nm, and the encapsulation efficiency of the xanthophyll nanoparticles is 60-90%; the preparation process comprises the following steps: mixing a polyglutamic acid aqueous solution and a xanthophyll anhydrous alcohol solution, and fully mixing and stirring for later use; dropwise adding the mixed solution into the chitosan oligosaccharide aqueous solution, and fully stirring and mixing to obtain a xanthophyll nanoparticle solution; and removing insoluble xanthophyll, and freeze-drying to obtain the xanthophyll composite nanoparticles.

1. The product name of the design product: bottle label (bilberry lutein beta-carotene soft capsule). 2. The use of the design product: label for the surface of the product packaging. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: front view. 5. The design for which protection is sought includes color. 6. The design product is a flat product, omitting the left view, right view, top view, bottom view, and rear view, which is not commonly used.

The present invention addresses the problem of providing a composition comprising ginger and lutein and / or crocetin, characterized in that denaturation of components in the composition due to time is suppressed, and also provides a method for suppressing denaturation of components in the composition, a method for producing the composition, and the like. The solution is a composition comprising: (A) one or more substances selected from the group consisting of Zinger Officinal Var.Rubra and an extract thereof, (B) one or more substances selected from the group consisting of the Zinger Officinal Var.Rubra and the extract thereof, and (C) one or more substances selected from the group consisting of the Zinger Officinal Var.Rubra and the extract thereof; and (B) one or more substances selected from the group consisting of lutein and crocetin.

1. The name of the design product: packaging box (lutein solid beverage). 2. The use of the design product: the design product is used for food 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: design 1 front view. 5. The design claimed contains color. 6. Design 1 is designated as the basic design.

The invention belongs to the technical field of algal polysaccharide extraction, and discloses a modification extraction method of algal asparagus polysaccharide and a method for preparing a lutein coating by using the algal asparagus polysaccharide. The modified extraction method comprises the following steps: extracting gracilaria lemaneiformis powder with a weak base solution, enabling lactide and polysaccharide to be subjected to grafting reaction through a redox initiation system under the assistance of ultrasonic waves, and then separating out a first polysaccharide component with high emulsibility and a second polysaccharide component with high gel property through graded alcohol precipitation. The two obtained functional components are used for coating xanthophyll, specifically, the first polysaccharide component emulsifies a xanthophyll oil phase to form a pre-emulsion, the second polysaccharide component is compounded with gelatin, a composite coacervate is formed on an oil drop interface by adjusting the pH value, and finally drying and curing are conducted. According to the method, two modified polysaccharides with definite functions can be synchronously obtained, the prepared xanthophyll coating is high in encapsulation efficiency, good in storage and processing stability and excellent in water dispersibility, and the problems that xanthophyll is unstable and difficult to apply are effectively solved.

The invention provides an environment-friendly xanthophyll preservative as well as a preparation method and application thereof, and belongs to the technical field of natural preservatives. The preparation method of the environment-friendly xanthophyll preservative comprises the following steps: taking fresh flowers as raw materials, extracting with an organic solvent, filtering, collecting supernate, emulsifying the supernate with a compound emulsifier to obtain emulsified xanthophyll, and then mixing the emulsified xanthophyll with cane sugar and water to obtain the environment-friendly xanthophyll preservative. According to the invention, the antioxidant characteristic of the xanthophyll is utilized, fat-soluble xanthophyll is transformed into water-soluble xanthophyll for delaying the generation of active oxygen in the cut flowers, so that the life of the vase cut flowers is prolonged, and meanwhile, the vase cut flowers conform to the industrial development trend of green and environmental protection. The xanthophyll preservative disclosed by the invention is non-toxic, does not contain plant growth regulators or chemical synthetic substances, does not influence physiological metabolism of cut flowers, and is suitable for the field of household flower arrangement.

The invention relates to the technical field of agricultural planting, in particular to a method for promoting accumulation of carotenoids in marigold petals and application, the method comprises the following steps: Step 1: preparation of a composite solution: mixing a sodium selenite solution with the concentration of 0.5 mM with an EM microbial agent diluted by 1000 times; 2, spraying treatment, wherein when buds of the marigold grow to the S3 period, the composite solution is sprayed to the front and back faces of leaf surfaces of plants and the surfaces of the buds; 3, repeated spraying is conducted, wherein spraying is conducted once every 7 days, and spraying is conducted three times in total; and Step 4, harvesting: harvesting marigold petals in periods S6 to S7 30 days after the last time of spraying. The lutein content of the marigold is increased through exogenous spraying. The composite reagent provided by the invention can further improve the yield and economic utilization value of the marigold xanthophyll so as to reduce the production cost.

1. Name of the product in this design: Packaging Box (Bilberry Lutein β-Carotene Soft Capsules). 2. Purpose of this design: This design is used for the packaging of goods. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention belongs to the technical field of crystal engineering, and discloses a lutein-glutamic acid eutectic crystal and a preparation method and application thereof, Cu-k alpha radiation is used, and the lutein-glutamic acid eutectic crystal has characteristic peaks at 21.75 + / -0.2 degrees, 25.95 + / -0.2 degrees, 31.34 + / -0.2 degrees and 35.96 + / -0.2 degrees in an X-ray powder diffraction pattern represented by a diffraction angle 2 theta. According to the lutein-glutamic acid eutectic crystal provided by the invention, on the premise of not changing the pharmacological activity of the lutein, the solubility and the dissolution rate of the lutein are remarkably improved, and the stability of the lutein-glutamic acid eutectic crystal under the conditions of high temperature, high humidity and strong light is greatly enhanced; in-vitro cell experiments further prove that compared with pure xanthophyll, the xanthophyll-glutamic acid eutectic has more excellent cell aging resistance, oxidation resistance and vasodilation promoting activity, and an ideal dosage form is provided for efficient application of xanthophyll in medicines and functional foods.

The preparation method of the slow-release xanthophyll additive comprises the following steps that a calcium chloride solution with the mass concentration of 2%-5% is dropwise added into primary emulsion, the dropwise adding speed is 1-2 mL / min, stirring crosslinking is conducted for 30-60 min, and the adding amount of the calcium chloride solution is 5%-10% of the volume of the primary emulsion; and adding the crosslinked emulsion into nano coating equipment, introducing nitrogen for protection, and carrying out nano deposition coating at 40-50 DEG C for 20-40 minutes. The feed additive is suitable for various animal feeds such as livestock and poultry, aquatic products and the like, and is low in addition amount and controllable in cost; industrial production can be realized by adopting conventional equipment, the production efficiency is high, and the product quality is stable; the dispersity, the compatibility with an organic wall material and the slow-release regulation and control capability of the modified nano SiO2 are obviously superior to those of an unmodified product, and the structural stability and the targeted release effect of the composite wall material can be effectively improved.

The invention relates to the technical field of pet food, in particular to an eye-benefiting and liver-protecting fermentation type canine nutrient and a preparation method thereof, and the eye-benefiting and liver-protecting fermentation type canine nutrient comprises the following components: a liver-protecting component, an eye-benefiting component, a chitosan-calcium compound solution, beer yeast powder, honey, lactobacillus plantarum freeze-dried powder and bacillus subtilis freeze-dried powder. Porous starch of the liver protection component carries and protects N-acetylcysteine, and carnosine and quercetin modified by zein remove fermentation byproducts. The eye benefiting component is loaded and protected by octenyl succinic acid modified starch, and the dispersity and the stability of the xanthophyll are improved by grafting a hydrophobic cavity of sulfobutyl-beta-cyclodextrin. The laccase fixed on the surface of the porous starch catalytically oxidizes phenolic hydroxyl groups in a tannic acid-gelatin network on the surface of the eye benefiting component by using dissolved oxygen, a protective shell is formed by in-situ crosslinking and curing, and a chitosan-calcium compound solution closes the physical distance between the laccase and the tannic acid-gelatin network, so that the enzymatic oxidation reaction rate is increased.

This invention discloses an apple pomace ESP-Zein-lutein composite nanoparticle delivery system and its preparation method, belonging to the field of functional food carrier and bioactive substance delivery technology. ESP is purified from apple pomace through hot water extraction, TCA deproteinization, and dialysis decolorization. Combined with antisolvent precipitation and electrostatic adsorption technology, composite nanoparticles with uniform particle size and high stability are prepared. The optimized ratio is Zein:ESP:lutein = 1:0.4:0.08. In this system, Zein and lutein form a hydrophobic core, and ESP forms a shell through hydrogen bonding and electrostatic interactions. The lutein encapsulation rate reaches 90.5%, significantly higher than the 54.7% of the single Zein system, making it suitable for targeted delivery of functional food additives, antioxidants, and eye health-related products.

The utility model provides a kind of lutein low-temperature extraction anti-oxidation device.The lutein low-temperature extraction anti-oxidation device includes: extraction box, the top of the extraction box is provided with feed inlet, the feed inlet is equipped with sealing cover;Cooling jacket, the cooling jacket is fixedly sleeved in the extraction box, cooling cavity is equipped on the cooling jacket;Cooling mechanism, the cooling mechanism is equipped on the cooling jacket, for cooling when extraction;Gas injection mechanism, the gas injection mechanism is equipped on the cooling jacket, for injecting inert gas into extraction box before extraction.The lutein low-temperature extraction anti-oxidation device provided by the utility model can be extracted in suitable low-temperature environment and low-oxygen condition, prevent lutein from oxidizing and decomposing due to too high temperature, and ensure the stability and reliability of extraction process.

1. Name of the designed product: packing bag (inner strip of liquid lutein). 2. Use of the designed product: for containing articles. 3. Design points of the designed product: the pattern shown in the figure. 4. Picture or photo best indicating the design points: front view. 5. The product is a flat bag design, and the left view, right view, top view and bottom view are omitted.

The invention belongs to the technical field of tobacco flavors, and particularly relates to a carotenoid chemical degradation compound tobacco flavor as well as a preparation method and application thereof. The carotenoid degradation compound tobacco essence is prepared from the following components in parts by weight: 40 to 70 parts of a beta-carotene degradation product, 30 to 60 parts of a xanthophyll degradation product and 1 to 5 parts of a modifier, the preparation method of the beta-carotene degradation product comprises the following steps: mixing beta-carotene with ethanol, adding hydrogen peroxide and AgNO3, and carrying out oxidative degradation, thereby obtaining the beta-carotene degradation product. The preparation method of the xanthophyll degradation product comprises the following steps: mixing impurity-removed xanthophyll with ethanol, adding hydrogen peroxide and AgNO3, and carrying out oxidative degradation to obtain the xanthophyll degradation product. The cigarette aroma can be supplemented, the aroma quality and the aroma amount are improved, and the smoking quality of cigarette products is improved.

According to the invention, the problems of complex preparation process, low embedding transmission efficiency, poor dissolution and dispersibility of xanthophyll, low absorption and utilization rate and the like of the xanthophyll embedding carrier are solved. The preparation method of the Maillard reaction modified corn peptide loaded xanthophyll nanoparticles comprises the following steps: 1, preparing a chitosan oligosaccharide solution and a corn peptide solution; 2, adjusting the pH value of the solution; 3, preparing glycosylated corn peptide through Maillard reaction; 4, carrying out load combination on the glycosylated corn peptide and the xanthophyll; and 5, preparing the xanthophyll nanoparticles. The method has the advantages that 1, the embedding rate and the solubility of the lutein are effectively improved; 2, the stability and the dispersity of the xanthophyll nanoparticles are improved; the absorption and utilization rate is good, the nutritive value is high, and large-scale production is easy. The preparation method of the xanthophyll nanoparticles is simple in process and good in xanthophyll controlled release effect and has a targeted absorption function.

1. Name of the designed product: packaging set (lutein fat blueberry pressed tablet candy). 2. Use of the designed product: packaging for health food. 3. Design points of the designed product: combination of shape, pattern and color. 4. Picture or photo best indicating the design points: set 1 perspective view. 5. The designed product contains color.

The invention relates to the technical field of seafood soy sauce, in particular to seafood soy sauce and a preparation method thereof, and the seafood soy sauce comprises the following raw materials: defatted soybeans, wheat, edible salt, compound strains, dried scallop and kelp concentrated soup, a seafood flavor base material, lutein microcapsules and a yeast extract. After the shrimp heads are subjected to enzyme hydrolysis, small molecule peptides and amino acids can be generated; under a weak alkaline condition, the products are subjected to a Maillard reaction with xylose or glycine to generate high-boiling-point flavor substances such as pyrazines and furanones, so that the heat resistance of the products is remarkably improved; in addition, melanoidins and reducing ketone in the Maillard reaction product have the effect of scavenging free radicals, lipid oxidation can be effectively inhibited, and therefore the retention rate of flavor substances of the soy sauce is increased. A compact hydrophobic barrier is formed through a zein-pectin composite wall material, the oxygen barrier rate is effectively improved, and the xanthophyll keeps relatively high activity in an acid environment in combination with an optimized spray drying process, so that the activity loss in a storage process is reduced.

This invention discloses lutein-zein nanoparticles encapsulated by a metallophenol network, their preparation method, and applications, belonging to the field of composite nanomaterials technology. The preparation method includes: taking a zein solution, adding lutein at a zein:lutein mass ratio of (25-65):(0.5-1.5), stirring, obtaining a dispersion through hydration and rotary evaporation, adding tannic acid and ZnCl2 solution to the dispersion, mixing, and freeze-drying to obtain the lutein-zein nanoparticles encapsulated by the metallophenol network. This invention, by modifying the surface of zein nanoparticles with a highly cross-linked metallophenol network, can significantly improve the stability of lutein, exhibiting sustained-release characteristics under neutral conditions, thus improving the bioavailability of lutein. It is suitable for the protection and delivery of carotenoids and the development of related functional foods, providing a new technical solution for the application of carotenoids in the food field.

The invention provides a complex. The complex is formed by connecting lutein and rare earth metal ions through coordinate bonds. The invention also provides a preparation method of the complex and eye protection paper using the complex. The complex provided by the invention is formed by lutein and rare earth metal ions through coordinate bonds, the wavelength range of absorbed light covers 315-430nm ultraviolet-visible light wave bands, light of harmful wave bands in reflected light of paper can be remarkably reduced, visual fatigue can be relieved, and the prepared eye protection paper has a relatively good eye protection effect.

The invention relates to the technical field of microorganisms, in particular to a method for preparing fermentation liquor or use liquor for degrading xanthophyll, the fermentation liquor or use liquor obtained through the method and application of the fermentation liquor or use liquor in regulation and / or degradation of xanthophyll. The invention also relates to a method for processing tobacco raw materials or preparing tobacco products, and tobacco leaves or tobacco products treated by the method.

The invention relates to a technology for regulating and controlling the content of plant secondary metabolites, in particular to a research on the improvement of the content of Tagetes erecta L. xanthophyll and ester of the Tagetes erecta L. xanthophyll and ester of the Tagetes erecta L. xanthophyll. According to the present invention, the optimal concentration and the treatment mode of the marigold xanthophyll and the ester thereof by using the exogenous ABA are pointed out, the complete experimental method and the complete scheme of the application of the marigold exogenous ABA are provided, the application prospect is good, and the growth regulator does not produce the toxic effect on the plant and does not pollute the environment. According to the technical scheme, the problem of increasing the content of the marigold lutein and the ester thereof is solved, the content of the marigold lutein and the ester thereof treated by the exogenous ABA is increased from 11.57 g / kg to 20.13 g / kg, the content of the lutein and the ester thereof is greatly increased, and the method has important significance on increasing the production efficiency of the marigold lutein.

The invention provides application of effective components of guava fruits in eye protection, and belongs to the technical field of biological medicine. The invention provides an application of effective components of guava fruits in preparation of eye protection medicines, an application in preparation of medicines for treating retina light injury and an application in preparation of medicines for inhibiting apoptosis of eye cells. According to the embodiment of the invention, a zebra fish blue light eye injury model and a mouse retina light injury model are constructed and treated by using the effective components of the guava fruits, and the effective components of the guava fruits are found to have a protective effect on eye cell apoptosis, retina injury and the like, and the protective effect of the effective components is equivalent to that of xanthophyll.

The invention discloses application of a PRE5 gene in regulating and controlling the content of plant leaf yellow, and belongs to the technical field of gene engineering. The invention provides an application of a PRE5 gene or a related biological material thereof in regulating and controlling the leaf yellow content of a plant or cultivating a plant with high leaf yellow content. The invention proves that the PRE5 gene has a remarkable regulation effect on the leaf yellow content of the plant, the leaf yellow content in tobacco leaves can be remarkably improved by knocking out the NtPRE5 gene in tobacco, a new gene resource is provided for cultivating a plant with high leaf yellow content, and a theoretical basis is laid for researching a forming mechanism of the leaf yellow.