69 results about "Zeaxanthin" patented technology

The invention discloses a hydroxytyrosol-ergothioneine eutectic crystal as well as a preparation method and application thereof, and belongs to the technical fields of medicines, foods, daily chemicals and the like. The invention provides a hydroxytyrosol-ergothioneine eutectic crystal. The X-ray powder diffraction pattern of the hydroxytyrosol-ergothioneine eutectic crystal has characteristic diffraction peaks at least corresponding to the positions where the 2 theta value is 4.21 degrees + / -0.2 degrees, 8.36 degrees + / -0.2 degrees, 12.29 degrees + / -0.2 degrees, 15.29 degrees + / -0.2 degrees, 19.40 degrees + / -0.2 degrees, 20.98 degrees + / -0.2 degrees, 23.12 degrees + / -0.2 degrees and 28.73 degrees + / -0.2 degrees. According to the hydroxytyrosol-ergothioneine eutectic, the melting point of hydroxytyrosol is increased, the hygroscopicity of hydroxytyrosol is remarkably reduced, and meanwhile the stability of hydroxytyrosol and ergothioneine is enhanced. In addition, after the ergothioneine hydroxytyrosol forms the eutectic crystal, the ergothioneine hydroxytyrosol can also play better anti-oxidation and anti-aging effects.

A trace element supplement consisting of lutein, zeaxanthin, astaxanthin, anthocyanins, and proanthocyanidins is designed to improve retinal health in children and adolescents, relieve eye strain, and slow the progression of myopia. The daily dose is 1–20 mg lutein, 0.2–4 mg zeaxanthin, 0.5–8 mg astaxanthin, 10–700 mg taurine, and 0.5–8.5 mg zinc; the nighttime dose is 1–100 mg eyebright extract, 10–300 mg chamomile extract, 1–200 mg anthocyanins, and 1–500 mg proanthocyanidins.

The invention relates to the technical field of nutritious food, and discloses a DHA microcapsule and a preparation method thereof. The DHA microcapsule contains a core material and a wall material, the core material contains DHA oil, squalene and carotenoid, the carotenoid is selected from at least one of beta-carotene, alpha-carotene, lycopene, xanthophyll and zeaxanthine, and the mass ratio of the DHA oil to the squalene to the carotenoid is 1: (0.1-0.55): (0.04-0.16). The DHA microcapsule has relatively low surface oil and a relatively good embedding effect, and active substances in the DHA microcapsule have a relatively high retention rate.

The invention discloses a xanthophyll eye-protecting composition and application thereof, and belongs to the field of traditional Chinese medicine technology and food. The eye protection composition is prepared from the following raw materials in parts by weight: 1 to 50 parts of lutein or lutein ester, 1 to 10 parts of zeaxanthin, 1 to 650 parts of anthocyanin, 1 to 5 parts of docosahexaenoic acid, 1 to 40 parts of radix puerariae, 1 to 40 parts of fructus lycii peptide, 1 to 10 parts of vitamin C and 1 to 15 parts of flos inulae nervosae. According to the composition, the raw materials with the eye protection effect are compounded with the specific new food raw materials including the inula nervosa, the bead peptide powder and the chimonanthus salicifolius, blue light damage of human retinal pigment epithelial cells ARPE-19 and inflammatory response caused by the blue light damage can be effectively relieved, and the composition can have the better eye protection effect.

The present invention discloses a β-carotene-grape seed extract eye-care preparation for retinal protection, relating to functional health foods. The preparation comprises active components and food-acceptable excipients. In parts by weight, the active components include 1–4 parts lutein, 0.5 –2 parts meso-zeaxanthin, 2 – 6 parts β-carotene, 8 – 25 parts blueberry extract, 5 – 18 parts grape seed extract, 0.2–1 part L-ergothioneine, 0.5–3 parts saffron extract, and 1–5 parts phosphatidylserine. The excipients comprise a filler, disintegrant, binder, and lubricant, with a weight ratio of active components to excipients of 1:1 to 1:4. By combining these eight components at specific ratios, the invention achieves synergistic effects, protects retinal health, and reduces blue-light damage. Dual-phase microencapsulation based on solubility, together with standardized preparation steps, improves stability and utilization efficiency.

The present invention provides a highly active composition for resisting blue light damage and a preparation method thereof. The composition includes lutein ester and zeaxanthin; the mass ratio of the lutein ester to zeaxanthin is 1:(0.8-1.5); the lutein ester is added in the form of lutein ester microcapsule powder; and the raw materials of the lutein ester microcapsule powder do not contain other oil components except lutein ester crystals. The present invention combines lutein ester and zeaxanthin to have good antioxidant and blue light damage resistance effects; the raw material lutein ester microcapsule powder used in the present invention solves the instability problem caused by high-temperature melting of lutein ester during the preparation process, effectively avoiding the problem of high-temperature sterilization instability or floating precipitation of the lutein ester microcapsule powder during application.

The application discloses corn silk glucan, a structure formula of which is [→4)-β-D-Glcp-(1→]n, wherein n is 6-60, and a molecular weight range is 1-9.8 kDa. By extracting effective components in corn silk, an extract is obtained, the extract is precipitated by 30-90% ethanol, corn silk crude polysaccharide is obtained, and after the corn silk crude polysaccharide is dissolved, the corn silk crude polysaccharide is sequentially subjected to biological membrane dialysis, ion exchange resin column and HPLC-ELSD separation and purification, and corn silk glucan is obtained. The corn silk glucan and zeaxanthin are compounded to form a glucan compound, the glucan compound can stabilize insulin and improve the activity of the insulin in mouse islet cells, and the glucan compound has 2-5 times stronger hypoglycemic activity than that of zeaxanthin alone, and therefore, the glucan compound has important significance for researching new hypoglycemic drugs or health-care food for assisting hypoglycemia.

The present invention relates to the use of a new strain of the microalgae Chlorella vulgaris Chlorella vulgaris for the production of lutein and zeaxanthin, as well as to the method for obtaining it.

The application provides a fermentation method for increasing the content of zeaxanthin and application thereof in eyesight-improving drinks, and comprises the following steps: S1, mixing fruit residues for pretreatment, S2, enzymolysis, S3, preparation of fermentation medium, and S4, inoculation and fermentation. Through the mixing, pretreatment, enzymolysis and fermentation of seabuckthorn fruit residues, loquat fruit residues and sweet potato skin residues, high-content zeaxanthin is produced, the high-value utilization of solid waste resources is realized, the raw material cost is reduced, the production method of zeaxanthin is effectively expanded, and the equipment requirement is low and easy to popularize on a large scale.

The invention belongs to the technical field of functional food, and particularly relates to a brain-strengthening and eyesight-improving composition as well as a preparation method, a product and application thereof. The composition is prepared from algal oil, linseed oil, arachidonic acid, marigold extract, zeaxanthin suspension oil, NA nervonic acid and PS phosphatidylserine according to a specific weight part ratio. Wherein the marigold extract is prepared by adopting freeze-grinding pretreatment, combining enzymolysis and an ultrasonic-microwave synergistic extraction technology, and performing nanofiltration membrane concentration and vacuum freeze-drying. According to the composition, through the synergistic effect of all the components and an innovative extraction process, the effects of efficiently strengthening the brain and improving eyesight are achieved, and compared with a traditional formula and an extraction method, the component activity retention and the effective component extraction rate are remarkably improved.

This invention discloses a method for preparing avermectin nanoparticles supported on zein-sodium lignin sulfonate, and its applications. The preparation method involves dissolving avermectin and zein in an organic solvent to form a solution (stream 1), and dissolving sodium lignin sulfonate or modified sodium lignin sulfonate in deionized water to form a solution (stream 2). Both streams are simultaneously injected into a dual-channel confined counter-current mixer for rapid mixing. The resulting nanoparticle suspension is then collected, completing the preparation process. This invention utilizes the compatibility of hydrophobic zein with avermectin, combined with the self-assembly properties of zein and the use of sodium lignin sulfonate or modified sodium lignin sulfonate as a stabilizer, to prepare avermectin nanoparticles with high drug encapsulation efficiency and excellent drug release performance. Furthermore, these nanoparticles exhibit excellent resistance to UV photodegradation, effectively reducing the photodegradation of avermectin. The method is simple, rapid, and easy to control.

The application provides a method for promoting the weight increase of saffron offsprings by enhancing illumination, comprising the following steps: transplanting the mother corms into the soil for vegetative growth after picking the filaments, the illumination intensity is 20000 Lux, and periodic maintenance management is implemented, water is supplemented once every two weeks, and the morphological indexes of the offsprings are observed, the offsprings are harvested after all the leaves wither. The experimental results show that increasing the illumination intensity reduces the expression level of CsCCD2L in the leaves, increases the content of zeaxanthin, and is conducive to photosynthesis, thereby providing nutrition for the development of the offsprings; the increase of the weight of the offsprings can significantly increase the number of flowers and improve the yield of saffron, and is expected to solve the bottleneck problem of low saffron yield.

Carotenoid compositions are described for management, treatment, and / or prevention of stress by reducing cortisol levels and / or improving distribution and / or density of macular pigment and thus improving overall health status. More particularly, a subject in need thereof for the method has disturbed macular pigment optical density or increased levels of cortisol as markers of psychological and physiological stress. Methods are also described of administering macular carotenoid compositions in daily doses of at least or about 0.005 mg / kg body weight of lutein, and at least or about 0.001 mg / kg body weight of meso-zeaxanthin and zeaxanthin isomer along with at least one food grade excipient and evaluating overall health status. The composition may be derived from plant extract containing xanthophylls and / or xanthophylls esters. The composition also reduces cortisol levels in the blood and relieves physiological stress, thus improving overall health status of a subject in need thereof.

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.

Described herein are methods and compositions that comprise an amount of at least one active agent, such as at least one carotenoid and an ingredient or extract of bilberry, preferably an amount of at least one of: lutein, zeaxanthin, β-carotene, lycopene, and an ingredient or extract of bilberry; and an additive.

This invention discloses a catalyst composition, a method for preparing zeaxanthin ester, and the zeaxanthin ester itself. The catalyst composition, comprising an alkaline catalyst and a carbonyl iron catalyst, is used to isomerize lutein ester into zeaxanthin ester. Under alkaline conditions, the catalyst composition of this invention allows the carbonyl iron catalyst to complex with the double bond electron cloud of the 4', 5' carbon atom on the terminal benzene ring of the lutein ester molecule, significantly reducing the energy required for the terminal carbon to capture protons. This facilitates the migration of protons from one negative carbon ion site (6' carbon atom) to another site (4' carbon atom), accelerating the transfer of the double bond position. This reduces the activation energy, decreases the amount of alkaline catalyst required, shortens the reaction time, lowers the reaction temperature, and improves the conversion rate and yield of lutein ester.

The present application relates to the technical field of molecular marker, in particular to a biomarker related to the trait of maize xanthophyll content in sweet corn kernels and application thereof. The present application locates QTL of the trait of maize xanthophyll content in kernels by using RIL population, finds that there is one major QTL related to the trait of maize xanthophyll content in sweet corn kernels on the 6th chromosome of maize, which is located between SNP sites S_chr6:83027949 and S_chr6:84835891, and contributes to the phenotype of maize xanthophyll content in kernels by 18.69%, the major QTL can be used for screening or assisting in screening sweet corn with relatively high maize xanthophyll content, when the genotype of S_chr6:83027949 is GG and the genotype of S_chr6:84835891 is AA, the maize xanthophyll content is relatively high, which provides technical support for molecular marker assisted breeding, and has important significance for improving the nutritional quality of sweet corn.

The invention discloses a lycium ruthenicum anthocyanin-containing composition for improving visual fatigue and wet macular degeneration as well as a preparation method and application of the lycium ruthenicum anthocyanin-containing composition, and belongs to the technical field of biological medicines. The composition is prepared from the following raw materials in parts by weight: 50 to 99 parts of lycium ruthenicum anthocyanin extract, 0.5 to 25 parts of lutein ester microcapsule powder and 0.5 to 25 parts of zeaxanthin microcapsule powder. According to the composition disclosed by the invention, the lycium ruthenicum anthocyanin extract, the lutein ester microcapsule powder and the zeaxanthin microcapsule powder are compounded, so that the effect of improving visual fatigue and the effect of improving wet macular degeneration can be improved.

The invention discloses a pharmaceutical composition for preventing birth defects and improving memory, and belongs to the technical field of biological medicine and health food. The composition comprises vitamin A, beta-carotene, vitamin complex B, vitamin C, vitamin D, vitamin E, vitamin k, macroelements including calcium, phosphorus, potassium and magnesium and microelements including zinc, selenium, iron, chromium, copper, molybdenum, iodine, fluorine and manganese, traditional Chinese medicines including glossy privet fruit, astragalus membranaceus, fructus lycii, semen cuscutae and nucleic acid, and bioactive components including lutein, lutein fat, zeaxanthin, grape seed extract, chlorophyll and taurine. The device is mainly used for pre-pregnancy preparation of pregnant women, dosages thereof, pregnant women and wet nurses. The composition eliminates various factors causing birth defects from multiple systems, multiple links and multiple targets, can significantly reduce the total occurrence rate of birth defects, has the effect of improving memory, is beneficial to the health of parents and children, has no incompatibility, and does not generate any toxic or side effect after being taken for a long time.

The invention provides application of zeaxanthine in preparation of a product for preventing and / or treating tauopathy, and relates to the field of biological medicine. It is found that zeaxanthine can inhibit expression and abnormal phosphorylation of tau protein and has the effects of prolonging the service life and improving the exercise ability, and a new way is provided for preventing and / or treating tauopathy.

The invention discloses bubble candies capable of supporting vision health and a preparation method of the bubble candies, and belongs to the technical field of food processing. The bubble candy comprises vitamin C, sodium ascorbate, lutein ester, zeaxanthin, astaxanthin, anthocyanin, beta carotene, semen cassiae, chrysanthemum, DL-malic acid, citric acid, sodium bicarbonate, sorbitol, xylitol, sucralose, stevioside, aspartame, passion fruit powder essence, magnesium stearate, sunset yellow aluminum lake, allura red aluminum lake and lemon yellow aluminum lake. The preparation method comprises the following steps: (1) weighing; (2) mixing; (3) tabletting; and (4) packaging. Starting from the goal of protecting eyesight health, vitamins, minerals and functional plant extract raw materials are taken as main materials, a carrier sorbitol with good compressibility, citric acid capable of improving bubble feeling, sodium bicarbonate and the like are taken as auxiliary materials, and according to a high-quality production process, the product dosage form is designed into the bubble tablet candy, so that the bubble tablet candy has better stability, and is suitable for popularization and application. The carrying is convenient.

The invention relates to the technical field of natural product extraction, and particularly discloses a method for preparing zeaxanthin ester and zeaxanthin from lycium barbarum fruits, and the method comprises the following steps: S1, pretreatment of a lycium barbarum raw material; s2, separating pulp from peel and seeds of the Chinese wolfberry fruits; s3, separating a mixture of fruit peels and seeds; s4, pretreatment of the wolfberry fruit peels; s5, dehydrating the peel pulp; s6, extracting zeaxanthin ester from the dried wolfberry fruit peel; and S7, preparing the free zeaxanthin from the zeaxanthin ester. The method provided by the invention has the advantages of improving the extraction rate and shortening the extraction time.

The invention relates to a lycopene and lutein compounded eye-protecting soft capsule and a production process thereof, and discloses a lycopene and lutein compounded eye-protecting soft capsule which improves the bioavailability and stability of fat-soluble components by optimizing the component proportion and the production process and adopting a high-speed emulsification and antioxidant protection treatment technology. The eye-protecting soft capsule and the production process thereof are used for realizing more efficient retina protection and asthenopia relieving. The composition is characterized by comprising the following components in percentage by mass: 2%-10% of lutein ester, 1%-5% of lycopene, 0.5%-3% of zeaxanthin, 10%-25% of DHA algal oil, 0.5%-2% of vitamin E, 20%-40% of medium chain triglyceride, 30%-40% of gelatin, 15%-25% of glycerol and 15%-25% of purified water.

The invention discloses lonicera caerulea compound powder as well as a preparation method and application thereof, and relates to lonicera caerulea compound powder as well as a preparation method and application thereof. The objective of the invention is to solve the problem of myopia caused by long-time use of electronic products, few outdoor activities and short eye distance. Every 3 g of the lonicera caerulea compound powder contains 100 mg of lutein ester microcapsule powder with the specification of 10%, 20 mg of zeaxanthin microcapsule powder with the specification of 10%, 450 mg of lycium barbarum polysaccharide with the specification of 80% and 2430 mg of lonicera caerulea freeze-dried powder, and the 2430 mg of lonicera caerulea freeze-dried powder contains 1780 mg of maltodextrin. The lonicera caerulea compound powder is used for dispelling the effects of alcohol, removing DPPH, ABTS and O2-free radicals and resisting lipid peroxidation. The lonicera caerulea compound powder has strong antioxidant capacity, so that good double-effect effects of protecting eyes, protecting liver and dispelling the effects of alcohol are achieved. The invention belongs to the technical field of prevention and control of myopia and hangover alleviating.

A lutein-rich egg has a lutein content equal to or more than 2 mg per 100 g of edible portion of eggs. Accordingly, the lutein-rich egg contains a high concentration of lutein, so that daily consumption of the egg by a human can lead to protection of human eyes from light stimulation and contribution to eye health maintenance, thereby helping to prevent risks of eye diseases.

This invention relates to a highly stable lutein-zeaxanthin soft capsule and its preparation process, belonging to the field of health product technology. The soft capsule comprises a shell and contents. The contents include core-shell structured composite coated particles and a plant oil carrier. The particles have a core-shell structure: the core is a microcapsule formed by emulsifying lutein and zeaxanthin with sodium octenyl succinate starch; the outer shell is a coating layer formed by in-situ deposition of zein on the surface of the core microcapsule using an antisolvent precipitation method. Natural antioxidants are dissolved in the plant oil carrier, spontaneously enriching in the oil phase region between the inner wall of the shell and the composite coated particles to form an interfacial antioxidant protective layer. The preparation process is carried out at low temperature, under nitrogen protection, and protected from light throughout. The gradient core-shell structure achieves stable protection in the stomach and targeted release into the intestine. Combined with interfacial antioxidant protection and comprehensive process protection, it improves the storage stability and bioavailability of the active ingredients. The product has no solvent residue and is safe for industrial production.

The invention belongs to the technical field of aquatic organism breeding, and particularly relates to a substance for regulating carotenoid enrichment in crustacean bodies and application. The substance for regulating and controlling the enrichment of carotenoid in the crustacean body is a CERP1 gene of the crustacean, a coding protein of the CERP1 gene, a substance for regulating and controlling the expression of the CERP1 gene, and a substance for regulating and controlling the activity or content of the CERP1 protein. The identified CERP1 gene is a negative regulation gene of carotenoid enrichment character, the deletion of functions of the CERP1 gene can lead to significant increase of the content of various carotenoids such as astaxanthin, zeaxanthin, xanthophyll, beta-carotene and the like in crustacean bodies, the crustacean bodies are red or reddish orange, and the nutritional quality of aquatic animals is significantly improved. The CERP1 gene has a wide application prospect in improvement of quality characters of crustacean and breeding.

The invention belongs to the technical field of fermentation engineering, and particularly relates to a solid beverage for relieving visual fatigue and a preparation method and application thereof. The solid beverage capable of relieving visual fatigue is prepared from the following components in parts by mass: 0.04 to 0.08 part of fructus crataegi extract, 0.01 to 0.03 part of xanthophyll, 0.04 to 0.09 part of zeaxanthin, 1.0 to 1.5 parts of plant fermentation extract, 0.2 to 0.8 part of blueberry juice powder, 0.1 to 0.4 part of fructus momordicae powder and 1.5 to 2.0 parts of gamma-cyclodextrine. The solid beverage for relieving visual fatigue prepared by the invention is high in content of antioxidant active components, and has a remarkable effect on relieving eyestrain caused by long-term use of electronic equipment.

The invention discloses a preparation method of zeaxanthine absorption-promoting easy-to-swallow 3D printing emulsion gel food, which comprises the following steps: preparing a water phase: dispersing whey protein isolate in distilled water, carrying out magnetic stirring, cooling after stirring, and standing overnight to obtain a whey protein dispersion; preparing an oil phase: adding zeaxanthine with the mass-volume percentage of 0.1% into medium-chain triglyceride oil, and sequentially carrying out homogenization treatment and ultrasonic homogenization treatment; a mixing process: adjusting the pH value of the whey protein dispersion to 7.0, dividing the whey protein dispersion into four groups, sequentially adding 0.2-0.8% by mass of carrageenan, carrying out homogenization treatment, dividing the pretreated triglyceride oil mixture into four parts, sequentially adding the four parts, and respectively carrying out homogenization treatment again; and heating the obtained sample, rapidly cooling the sample in an ice-water bath to room temperature, and storing the sample at 4 DEG C for 24 hours to form gel. The invention also provides a 3D printing emulsion gel food capable of absorbing zeaxanthine and easy to swallow.