121 results about "Xanthophyll" patented technology

The invention discloses a xanthophyll-nicotinamide eutectic crystal and a preparation method and application thereof, the eutectic crystal is formed by xanthophyll and nicotinamide according to the molar ratio of 1: 1 through intermolecular interaction of hydrogen bonds, Van der Waals force and the like, and the molecular formula is C46H62N2O3. According to the invention, xanthophyll and nicotinamide are combined through a co-crystal technology, a novel co-crystal with good water solubility and high bioavailability is formed, and the solubility and absorption efficiency of xanthophyll are significantly improved.

The invention relates to the technical field of microorganisms, and provides Haematococcus pluvialis RXXHp1 which is preserved in the China Center for Type Culture Collection on May 19, 2023, and the preservation number of the Haematococcus pluvialis RXXHp1 is CCTCC NO: M 2023791. The invention also provides an application of the haematococcus pluvialis RXXHp1. The application comprises the step of enriching at least one of organic selenium and astaxanthin in a selenium ion stress environment by using the haematococcus pluvialis RXXHp1. The invention further provides algae powder containing the haematococcus pluvialis RXXHp1 and application of the haematococcus pluvialis RXXHp1 or the algae powder in preparation of wine. The haematococcus pluvialis RXXHp1 provided by the invention has certain tolerance to a selenium ion stress environment, not only can be used for enriching organic selenium, but also can be used for promoting the accumulation of astaxanthin; besides, when the haematococcus pluvialis RXXHp1 is used for preparing the wine, the content of active substances such as astaxanthin and xanthophyll in the wine can be remarkably increased, so that the effects of improving the color and flavor of the wine and improving the oxidation resistance of the wine are achieved.

The invention discloses paenibacillus arborescens and application thereof, and belongs to the technical field of microorganisms. The classification name of the paenibacillus arborescens is paenibacillus arborescens yhs-1, the paenibacillus arborescens yhs-1 is preserved in the China Center for Type Culture Collection (CCTCC), the preservation date is October 25, 2023, and the preservation number is CCTCC NO: M 20232033. The bacterial strain is screened from tobacco leaf and fruit and vegetable samples, has better degradation capacity on xanthophyll, can degrade xanthophyll in tobacco leaves and generate 18 aromatic substances when being applied to tobacco leaf fermentation, so that the tobacco leaves are sufficient in aroma aftertaste and free of other offensive odor and pungent smell; when the fermented tobacco leaf product is applied to cigarettes, the smoking quality of the cigarettes can be remarkably improved.

The invention discloses a strong-absorption water-soluble lutein compound preparation and application thereof in food with an eyesight protection function. The xanthophyll-dipotassium glycyrrhizinate water-soluble granules are water-soluble granules formed by molecular self-assembly of xanthophyll, dipotassium glycyrrhizinate, triterpenic acid, protein and dietary polysaccharide. Compared with untreated xanthophyll, the xanthophyll compound preparation with strong absorption has the advantages that the xanthophyll has good water solubility and stability, the intestinal absorption efficiency is improved by 20-35 times, and eyesight protection can be effectively realized. Meanwhile, the embedding rate is high, the safety is good, and the production cost is low.

The invention provides nano-composite hydrogel with double-load eye protection factors as well as a preparation method and application of the nano-composite hydrogel. Specifically, the invention provides a nano-composite hydrogel, which comprises zein nanoparticles loaded with xanthophyll, and zein nanoparticles loaded with xanthophyll, the raw materials comprise anthocyanin, caseinate and arabinoxylan; a glucolactone; and water. The nano-composite hydrogel disclosed by the invention can be used for simultaneously embedding, protecting and delivering the xanthophyll and the anthocyanin, and is very suitable for preparing functional foods for relieving asthenopia.

The invention discloses a fructus lycii pigment composition for treating benign prostatic hyperplasia and application. The fructus lycii pigment composition comprises lycium barbarum red, zeaxanthine, xanthophyll and beta-carotene. The fructus lycii pigment composition provided by the invention can effectively inhibit prostate stromal cell proliferation, inhibit prostate tissue hyperplasia in vivo, improve the pathological morphology of prostate tissue, regulate the androgen level, inhibit inflammatory response and relieve oxidative damage. The traditional Chinese medicine is applied to clinical treatment of prostatic hyperplasia and has the advantages of remarkable curative effect and low toxic and side effects.

The invention relates to the technical field of molecular markers, in particular to a biomarker related to the lutein content character of sweet corn and application of the biomarker. Sweet corn selfing lines SHL01 and SHL03 are used as parents to construct an RIL population, the character data of the lutein content of the sweet corn kernels are detected through high performance liquid chromatography, QTL positioning is performed by using the character of the lutein content of the kernels, and an analysis result shows that a major QTL for regulating the lutein content of the kernels exists on a sixth chromosome of the corn, and the major QTL is used for regulating the lutein content of the kernels. The main effect QTL is located between the SNP loci Schr6: 82134355 and Schr6: 83130639, the phenotype contribution rate to the grain xanthophyll content is 27.14%, the molecular marker can be used for screening or auxiliary screening of sweet corn with relatively high xanthophyll content, the result is more accurate, a technical support is provided for molecular marker-assisted breeding, and the molecular marker has important significance for improving the taste quality of the sweet corn.

The invention relates to a method for extracting lutein from marigold, which comprises the following steps: S1, putting aspergillus niger into sterile water to obtain an aspergillus niger spore suspension; s2, grinding the dried marigold petals into powder, and sieving to obtain marigold petal powder; s3, soaking the marigold petal powder with sterile water; s4, adding the aspergillus niger spore suspension into the soaked marigold petal powder to obtain a marigold product of which the xanthophyll is to be extracted; and step S5, carrying out xanthophyll extraction on the marigold product from which xanthophyll is to be extracted, so as to obtain food-grade or drug-grade xanthophyll. According to the method for extracting the xanthophyll from the marigold, the yield of the xanthophyll in the marigold can be increased within a short time, and the method is simple to operate, low in cost and free of pollution.

The invention discloses a composition containing lutein and bilberry extract and capable of relieving asthenopia and a preparation method of the composition, and particularly belongs to the field of functional food. The composition comprises the following components: a plant extraction synergistic component, xanthophyll and zinc gluconate, the plant extraction synergistic component consists of a bilberry extract, a chrysanthemum extract, a peanut coat extract and a mulberry extract; the composition for relieving the asthenopia can effectively relieve the asthenopia and remarkably improve the asthenopia condition, meanwhile, the plant extraction synergistic component has an obvious gain effect on the effect of the whole formula, and the plant extraction synergistic component has a key effect on relieving the asthenopia; the composition for relieving asthenopia provided by the invention can improve the photopic vision persistence of a subject with asthenopia, and has a remarkable curative effect.

The invention relates to a composition comprising from 0.1 to 8.0 mg / g of composition of at least one xanthophyll, from 1.0 to 45.0 mg / g of composition of at least one omega-3 fatty acid, from 0.02 to 0.8 mg / g of composition of at least one sterol, from 0.05 to 1.5 μg / g of composition of at least one phycoprostane and from 700 to 990 mg / g of at least one vegetable oil. The composition is used to provide a soothing effect on the skin and / or to maintain homeostasis.

The invention relates to a method for detecting the content of lutein and / or zeaxanthine, which comprises the following steps: taking a standard substance of a sample to be detected, and preparing a plurality of groups of standard substance solutions with different concentrations; testing the standard substance solution by adopting an online solid-phase extraction-liquid chromatography to obtain a standard working curve; pretreating a sample to be detected to obtain a sample solution, testing the sample solution by adopting an online solid-phase extraction-liquid chromatography, and substituting the obtained result into the standard working curve to obtain the content of xanthophyll and / or zeaxanthine. According to the method provided by the invention, the separation effect between the xanthophyll and the isomer thereof is improved, the content of the xanthophyll and the isomer thereof can be accurately measured, the repeatability is good, the accuracy is high, the overall analysis time is short, and the sample analysis and detection efficiency is remarkably improved.

The invention relates to a lycopene composition and an emulsion preparation thereof. The lycopene composition is prepared from lutein, beta-carotene, all-trans lycopene, 9-cis lycopene, 11-cis lycopene and 13-cis lycopene. The emulsion preparation also comprises an emulsifier, a co-emulsifier, an antioxidant and water, has good solubility in water, can obtain solutions with chromaticity of L30-35, a35-40 and b25-30, and is concentrated in tone value range and stable in tone coloring.

A 3D printing material comprising inulin, a calcium salt, a magnesium salt and a zinc salt. Preferably, the calcium salt is calcium chloride, calcium sulfate, and / or calcium carbonate, the magnesium salt is magnesium chloride, magnesium sulfate, and / or magnesium carbonate, and the zinc salt is zinc chloride, zinc sulfate, and zinc carbonate. Preferably, the material comprises an edible pigment selected from betalains, anthocyanins, turmeric, lutein, and / or carotene. Preferably, the color-changing material comprises 5-8 parts inulin, 0.02-0.3 parts anthocyanin, 0.01-0.2 parts calcium chloride, 0.002-0.02 parts zinc chloride, and 0.05-1 parts magnesium chloride. Also claimed is a printing method using the material comprising first mixing the raw materials, adding water, while heating and stirring, at 50°C-90°C with a stirring speed 200rpm-600rpm, for 3-8min. The mixed material is left to rest in a printing tube for 2h-24h until a full gelation is completed. The salts reduce gelation time. 3D printing parameters are set, which preferably are nozzle diameter 0.5mm-1mm, extrusion output 100%-300%, layer height 0.4mm-0.6mm, nozzle temperature 10°C-45°C, and nozzle moving speed 15mm / s-40mm / s. Preferably, the water added results in an inulin concentration of 0.5g / mL-0.8g / mL.

A composition containing a cis-xanthophyll derivative.

To provide a composition containing a cis-type xanthophyll derivative that exhibits excellent storage stability due to suppressed isomerization to the trans type and allows for efficient intake of cis-type xanthophyll. [Solution] A composition containing a cis-type xanthophyll derivative.

The invention discloses near-vision-preventing health-care liquid and a preparation method thereof. The near-vision-preventing health-care liquid is prepared from the following raw materials in parts by weight: 8-12 parts of cornu bubali, 1-3 parts of borneol, 4-6 parts of xanthophyll, 8-12 parts of radix angelicae sinensis, 8-12 parts of radix paeoniae rubra, 6-10 parts of folium mori, 12-18 parts of semen plantaginis, 8-12 parts of flos chrysanthemi, 12-18 parts of cortex fraxini and 12-18 parts of semen cassiae. According to years of medicine practicing experience and in combination with the theory of traditional Chinese medicine, natural traditional Chinese medicine plants with the effects of clearing liver and improving vision, clearing away heat and toxic materials, promoting blood circulation, dissipating blood stasis and relieving pain, clearing away heat and drying dampness and promoting blood circulation are selected; the traditional Chinese medicine composition can relieve eyestrain, eye dryness, eye acerbity, red eyes, blurred vision, dark circles, ghosting, photophobia, tear against wind, eye discomfort and other symptoms caused by overuse of eyes, the effect is remarkable, the effect taking speed is high, and myopia development is delayed by relieving eyestrain and preventing myopia; in addition, the preparation process is simple, easy to operate and convenient for expanded production.

The utility model discloses a lutein storage device, which relates to the technical field of lutein storage and comprises a storage tank, and a tank cover is movably connected to the rear side above the outer surface of the storage tank. According to the xanthophyll stirring device, the xanthophyll powder is heated through the heating disc and the heat conduction rod, so that the xanthophyll is prevented from being influenced by wet air, and the xanthophyll is heated through the left and right sides of the heating disc and the heat conduction rod through the arrangement of the motor, so that the xanthophyll is stirred slowly; the lutein powder is turned over to treat internal moisture, the lutein powder adhered to the inner wall of the storage tank is conveniently scraped off through the arrangement of a T-shaped scraping plate, and the whole moisture-proof assembly is conveniently moved out through the arrangement of a mounting plate and a vertical plate and is convenient to disassemble; the problem that current lutein powder is prone to being affected by factors of a humid environment and caking occurs is solved, the effect of removing moisture in the lutein powder is achieved, and the damp-proof effect is achieved.

The invention belongs to the technical field of extraction of functional effective components from natural plants, and particularly relates to a method for extracting xanthophyll from marigold and application of the xanthophyll. The extraction method mainly comprises the following steps: granulating, infiltrating, extracting, concentrating and washing. According to the method, marigold particles of different specifications are mixed according to a certain proportion, then the marigold particles are infiltrated with the organic solvent, then the chlorogenic acid, betaine and histidine mixed solution with the pH being 8-10 is added for auxiliary extraction, and then the xanthophyll is obtained through concentration, washing and drying, so that the extraction rate of the xanthophyll in the marigold is increased, and the yield of the xanthophyll in the marigold is increased. The extracted lutein can be applied to animal feed.

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.

Invention deals with a macular carotenoid formulation comprising Carotenoids, Lutein, Zeaxanthin, Meso Zeaxanthin, Beta Carotene, Alpha Carotene, Lycopene and Cryptoxanthin in a synergistic combination. The formulation helps in increasing macular pigment optical density (MPOD) related to prevention of age-related macular degeneration (ARMD). The formulation is used as a nutrient, nutraceutical or dietary supplement. The dietary supplement may be formulated as soft gel capsules, two-piece hard-shell capsules, liquid-fill capsules, tablets, effervescent granules, gummies, powder mixes, stick packs, beverages, emulsions, bakery products, dairy products, tinctures, oil suspensions, beadlets, powders, cold water-soluble powders, emulsions and granules or any combination thereof. The present invention can be used for the development of functional food, dietary plan and as a nutritional supplement. In exemplary embodiment, formulation is available in forms like oil suspension, beadlets, powders, cold water-soluble powders, emulsions and granules.

The invention relates to the technical field of feed additives, in particular to a composition for coloring animal tissues and application of the composition. The invention provides application of a combination of one or more of dehydroxanthophyll, dehydrated xanthophyll and ethyl xanthophyll in coloring of animal tissues. Compared with a common colorant, the composition formed by the dehydroxanthophyll and the dehydrated xanthophyll or the dehydroxanthophyll, the dehydrated xanthophyll and the ethyl xanthophyll is used for feeding animals, so that a better animal tissue coloring effect can be generated, and the composition has important significance on reducing the dosage of the colorant and improving the animal tissue coloring effect and has a relatively good application value.

The invention provides a marigold extract preparation system and method.The marigold extract preparation system comprises a pretreatment unit, a mixing unit, a desolventizing unit and a saponification and purification unit, the saponification and purification unit comprises an alkali adding module, a membrane separation module and a secondary treatment module, the alkali adding module is used for adding potassium hydroxide into an extracting solution for saponification to obtain a saponified solution, and the membrane separation module is used for carrying out membrane separation on the saponified solution; the membrane separation module is used for filtering the saponification liquid to obtain relatively pure ultrafiltrate, and the secondary treatment module is used for carrying out water washing, alcohol washing and recrystallization on the ultrafiltrate to obtain lutein crystals. Specific extraction solvent, extraction time, extraction temperature, extraction solvent volume ratio and extraction times are given, a saponification process and a purification process of the xanthophyll extracting solution are optimized to obtain the xanthophyll extract with the purity of 95%, the xanthophyll extract is recrystallized to obtain the xanthophyll crystal with a good form, the purity of the xanthophyll crystal reaches 98.5% or above, and the xanthophyll crystal has a good crystal form. The enrichment degree of the xanthophyll is higher, and membrane holes are not easy to block.

The invention belongs to the technical field of plant genetic engineering, and relates to application of an LOX2 gene in reducing the content of tobacco pigment. According to the invention, a tobacco lipoxygenase 2 coding gene is obtained from tobacco by using a homologous cloning technology, and an overexpression vector of the gene is constructed and transformed into a tobacco plant to obtain the tobacco plant overexpressed by the LOX2 gene. Through detection of the LOX2 gene overexpression tobacco plant, the xanthophyll content of the transgenic plant is lower than 22% of a control group, the beta-carotene content of the transgenic plant is lower than 21% of the control group, the violaxanthin content of the transgenic plant is lower than 23% of the control group, and the neoxanthin content of the transgenic plant is lower than 20% of the control group. Therefore, the LOX2 gene has an important application prospect in the aspect of tobacco pigment degradation.

The invention provides a codominant SSR (simple sequence repeat) marker closely linked with a tobacco xanthophyll gene qXant and an application method of the codominant SSR marker. The serial numbers of the codominant SSR marker closely linked with the tobacco xanthophyll gene qXant are TMy82029 and IDYK01541, and the nucleotide sequences of PCR (Polymerase Chain Reaction) amplification products of the codominant SSR marker closely linked with the tobacco xanthophyll gene qXant are respectively shown as SEQ ID No. 1, SEQ ID No. 2, SEQ ID No. 3 and SEQ ID No. 4. The application is the application of the codominant SSR marker closely linked with the tobacco xanthophyll gene qXant in detecting whether the tobacco xanthophyll gene qXant exists in a tobacco genome DNA (Deoxyribose Nucleic Acid) or not. Compared with a method in the prior art, the codominant SSR marker has the characteristics of accuracy, high efficiency, stability, convenience, low cost and no detection opportunity limitation, so that the molecular marker can be applied to molecular marker-assisted selection of the lutein gene qXant in tobacco breeding.

The invention belongs to the technical field of eye shields, and particularly relates to a xanthophyll eye shield and a preparation method thereof.The xanthophyll eye shield comprises a medical non-woven fabric, faintly acid gel is arranged on one side of the medical non-woven fabric, a first release film is arranged on one side of the faintly acid gel, a wet tissue is arranged on one side of the first release film, and a second release film is arranged on one side of the wet tissue. By arranging the weakly acidic gel, the problem that an existing cold compress eyeshade is single in function can be solved, and then the prepared eyeshade can be suitable for people who work and learn to surf the Internet or use electronic products and use eyes for a short distance for a long time or stay up late to cause eye dryness, eye astringency, eye fatigue, dark eye circles, eye distension and the like; therefore, the applicable crowd of the eye shield is increased.

The invention relates to a lutein-producing flavobacterium strain and belongs to the technical field of biology, the lutein-producing flavobacterium strain can produce lutein, the yield is 71.08 + / -1.33 mu g / g FW, in addition, the invention discloses a lutein microbial fermentation production method, and the method comprises the steps of bacterial liquid preparation, lutein production and product extraction and chemical detection. Compared with extraction of xanthophyll from marigold and microalgae, the flavobacterium strain has the advantages that the growth cycle is 40-48 hours, the production cycle of the flavobacterium strain is short, cultivated land can be saved, the content of pigment impurities is low, the cost can be reduced, and the flavobacterium strain has the potential of industrial application.

The invention belongs to the field of xerophthalmia treatment, and relates to an astaxanthin composition for treating xerophthalmia as well as a preparation method and application thereof, and the astaxanthin composition comprises the following components in parts by weight: 25-35 parts of astaxanthin, 20-30 parts of algal polysaccharides, 5-10 parts of salidroside, 2-3 parts of menthol, 1-2 parts of borneol and 0.5-1 part of xanthophyll. The composition comprises the astaxanthin, the algal polysaccharides, the salidroside, the menthol, the borneol and the xanthophyll, and the components act together, especially the astaxanthin, the algal polysaccharides and the salidroside act synergistically, so that the composition has a remarkable curative effect in the aspect of treating the xerophthalmia, and the symptoms of the xerophthalmia can be effectively relieved. In addition, compared with some artificially synthesized medicines, the composition disclosed by the invention is prepared from natural biomass, so that the composition is relatively safe in use and low in side effect.

The invention discloses a cigarette paper colorant which comprises one or a mixture of more of a red colorant, a yellow colorant and a blue colorant in any proportion, the red colorant is prepared from the following raw materials: monascus red, mulberry red, erythrosine, carmine, amaranth, polyaluminum chloride, tea polyphenol and sodium malate; the yellow colorant is prepared from the following raw materials: sea-buckthorn powder, beta-carotene, xanthophyll, alum and tea polyphenol; the blue colorant is prepared from the following raw materials in parts: phycocyanin, gardenia blue, brilliant blue, polyaluminum chloride and tannic acid. According to the invention, various required colors are rapidly blended based on the natural pigment, the color phase of the coloring agent is stabilized, a three-primary-color (red, yellow and blue) formula design based on the natural pigment is developed, and the method has important application value for cigarette paper coloring.

The utility model relates to the field of xanthophyll soft capsule shaping, in particular to a xanthophyll soft capsule drying and shaping device which comprises a supporting column. The front side of the supporting column is movably connected with the air-drying roller, the air-drying roller is provided with a feeding port, the outer side of the air-drying roller is movably connected with a baffle cover arranged on the outer side of the feeding port, the air-drying roller is internally and fixedly connected with a partition plate with a plurality of ventilation holes formed in the surface, and the rear side of the air-drying roller is provided with an air cooler; an air outlet pipe of the air cooler is inserted into the air-drying filter cylinder, and a rotating shaft is fixedly connected to the rear side of the air-drying roller and movably connected into the supporting column; according to the xanthophyll soft capsule drying device, the supporting plate is changed into the air-drying roller, the air cooler is used for continuously conveying dry cold air into the air-drying roller, and meanwhile the rotating shaft drives the air-drying roller to rotate, so that xanthophyll soft capsules are prevented from being tightly attached to the inner wall of the air-drying roller, and the rotation of the air-drying roller enables each face of the xanthophyll soft capsules to be in contact with the cold air; and uniform wind receiving of the xanthophyll soft capsule is ensured.

The invention discloses an eye protection patch as well as a preparation method and application thereof, and belongs to the field of dressing and makeup type configuration products. The eye patch is mainly prepared from polyvinyl alcohol, polyethylene glycol, poly (N-isopropylacrylamide), N, N '-methylene bisacrylamide, lauryl sodium sulfate, an initiator combination, a plant extract, xanthophyll and hyaluronic acid according to a specific proportion and a specific preparation process, and the plant extract can be controlled to release at the body temperature.