49 results about "Zeaxanthin" patented technology

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 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 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.

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.

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.

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 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.

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.

An object of the present invention is to provide an eye care composition which can be produced with a reduced risk of failure during production by not using a bilberry extract raw material, has good formulation stability, and can be reduced in dosage.SOLUTION: The above object can be achieved by an eye care composition comprising a Haematococcus alga extract, a marigold extract, a propolis extract and vitamin A as active ingredients, and an eye care composition comprising astaxanthin, lutein, zeaxanthin, a propolis extract and vitamin A as active ingredients.SELECTED DRAWING: None

The present invention relates to a xanthophyll composition comprising selective isomers of trans-R,R lutein and trans-R,R zeaxanthin in preferred particle size and pharmaceutically and / or nutraceutically acceptable excipients such as carriers, solubility enhancers, bioavailability enhancing agents, antioxidants and optionally flavoring agents with selective ratio which exerts enhanced bioavailability. The xanthophyll composition at least 80% of total xanthophyll comprised of at least 65% by weight of trans-R,R lutein and at least 10% by weight of trans-R,R zeaxanthin, which is prepared combinedly from marigold and paprika oleoresins with definite proportion to produce the preferred ratio of trans-R,R lutein and trans-R,R zeaxanthin.

The invention relates to the technical field of functional foods, and particularly discloses a peony seed oil-containing eye-protecting food and a low-temperature freeze-drying preparation method thereof, the low-temperature freeze-drying preparation method comprises the following steps: pretreating peony seed oil, mixing and emulsifying with whey protein, and homogenizing to form microcapsules; mixing and stirring haematococcus pluvialis powder, astaxanthin and soyasaponin with spinach powder and blueberry powder, standing overnight, adding microcapsules and a whey protein solution, mixing, and performing pulse treatment and high-pressure homogenization treatment to obtain a protein embedded compound; adding a green tea extract, zeaxanthin and egg yolk phospholipid into the protein embedded compound, mixing, and carrying out vacuum impregnation and pulse treatment to obtain a compound preparation; and performing gradient freeze-drying treatment and post-treatment on the compound preparation to obtain the eye-protecting food containing the peony seed oil. The problems that in the prior art, grease oxidation is serious, the functional component absorption efficiency is low, the freeze-drying process efficiency is poor, and the product stability is insufficient are solved.

The application discloses a method for improving the sodium silicate resistance of cotton by adding zeaxanthin. In the seed germination period of cotton, zeaxanthin is added to the growth medium for co-culture treatment with sodium silicate. Preferably, the concentration of zeaxanthin is 50 mg / L, the concentration of sodium silicate is 20 mM, and the treatment time is 3 days. Experimental results show that after the addition of zeaxanthin, the cotton radicle survival rate and radicle length are significantly improved, and the inhibition of sodium silicate on the growth of cotton radicle in the seed germination period can be effectively alleviated. The application also provides a composition containing zeaxanthin and application thereof. The application has the advantages of simple operation, controllable cost, environmental friendliness and the like, and is suitable for promoting the early growth of cotton in soil environments with excessive silicate content.

The invention discloses an eye-protecting lutein ester solid beverage as well as a preparation method and application thereof, and relates to the technical field of lutein ester solid beverage preparation, the eye-protecting lutein ester solid beverage comprises the following raw materials in percentage by mass: 2-5% of microcapsule lutein ester, 0.1-1% of zeaxanthin, 2-8% of blueberry powder, 1-6% of lycium barbarum polysaccharide, 3-17% of a sweetening agent, 0.01-1% of food-grade essence, 3-5% of dietary fiber and a proper amount of maltodextrin. The solid beverage is good in stability and high in absorptivity, and the eye protection effect is improved.

The present invention relates to methods of administering ocular nutrients, such as the carotenoids lutein and / or zeaxanthin, to individuals to protect eyeball shape, foveal architecture, vision, and other eye conditions. Another aspect of the present invention relates to the administration of lutein and / or zeaxanthin to individuals, especially during the adolescent years, in order to address the negative effects associated with prolonged periods of near work and / or screentime.

The invention relates to the technical field of microecological preparations, in particular to a composition and application thereof in preparation of products for relieving asthenopia and / or xerophthalmia. The composition provided by the invention comprises lutein ester, zeaxanthin, a blueberry extract, lactobacillus paracasei and bacillus coagulans. While the composition supplements nutrient substances required by patients with asthenopia and xerophthalmia, the probiotics can adjust the micro-ecology of eyes through the eye-intestinal axis to achieve the effect of relieving asthenopia and xerophthalmia.

The application discloses a health-care composition and belongs to the field of health-care food. The composition contains 1.7-1.9 g of xanthophyll ester, 0.52-0.61 g of corn xanthophyll, 0.35-0.47 g of astaxanthin, 30-60 g of chrysanthemum extract, 40-70 g of celery powder, 30-60 g of Lithocarpus genmssis powder and 110-130 g of sweetening agent per 1000 mL, and the rest is pure water. The composition is prepared by compounding the raw materials, has the effect of significantly relieving visual fatigue and is beneficial to promoting eye health.

The application discloses an eye-protecting functional blueberry juice and a preparation method thereof, and relates to the technical field of functional beverage preparation. The blueberry juice comprises 30ml of blueberry juice, 5-8mg of lutein microcapsule powder, 1-2mg of corn xanthophyll microcapsule powder, 20-30mg of DHA algal oil, 5g of cassia seed extract liquid, 5g of chrysanthemum extract liquid and 30ml of auxiliary materials. The core raw materials of the application are all natural or functional raw materials which meet the national food safety standards and have the eye-protecting function.

The invention provides paracoccus zeaxanthi and application thereof, belongs to the technical field of microorganisms, and particularly relates to paracoccus zeaxanthi QNPS-1, the preservation number of the paracoccus zeaxanthi QNPS-1 is CCTCC NO: M 20253019, the paracoccus zeaxanthi QNPS-1 is preserved in China Center for Type Culture Collection, the address is Wuhan University, Wuhan, China, the preservation date is December 29, 2025, and the preservation number of the paracoccus zeaxanthi QNPS-1 is CCTCC NO: M 20253019. The invention also provides a method for producing the yellow pigment by utilizing the fermentation of the paracoccus zeaxanthin QNPS-1. The yellow pigment produced by the paracoccus zeaxanthin QNPS-1 provided by the invention is good in stability, strong in heat stability and pH stability, and suitable for being applied to various industrial fields.