82 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 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 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 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.

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 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 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 provides a long-acting moisturizing colored leaf as well as a preparation method and application thereof, and belongs to the field of biomass materials. According to the method, pigments in natural plants are extracted, mixed with hygroscopic salts and introduced into the decolorized leaves in a vacuumizing mode, and chlorophyll, xanthophyll, rosewood pigments and the like contained in the pigments are water-insoluble substances, so that the color of the subsequently prepared colored leaves cannot be dissolved in water, and the color of the leaves cannot be dissolved in water; therefore, the coating does not fade when encountering water; meanwhile, due to introduction of hygroscopic salts, moisture in the colored leaves can be locked, moisture loss is avoided, moisture in air can be absorbed, and the colored leaves have a long-acting moisturizing effect, so that the colored leaves can be stored indoors for a long time, have good flexibility and are equivalent to new leaves; the problems that natural leaves discolor after being separated from plants, are easy to dry and crisp and are difficult to store are solved.

The invention discloses a preparation composition for preventing and treating eye diseases and delaying visual decline and a preparation method thereof. The composition is prepared from fructus lycii, semen cassiae, blueberries, marigold, eyebright, ligusticum wallichii, pseudo-ginseng, roxburgh rose, pleurotus citrinopileatus, bilberry, haematococcus pluvialis, xanthophyll, zeaxanthin, retinol, ergothioneine, beta-carotene, vitamin E, organic selenium, phospholipid DHA, procyanidine, curcumin and lycopene. The composition can prevent and treat eye diseases and delay visual decline. The traditional Chinese medicine composition can relieve asthenopia, can relieve the symptoms of blurred vision, dry eyes, soreness and swelling, pain and the like, and can treat macular degeneration. The composition has no side effect on a human body and is high in safety; injection administration and operation are avoided, no sequelae are left, and the medicine is convenient to take and carry by a patient; the preparation process is simple, the performance is stable and reliable, the production efficiency is high, the cost is low, and the application prospect is wide. The invention further discloses a polypeptide for relieving asthenopia, wherein the sequence of the polypeptide is shown as SEQ ID NO: 1.

The invention relates to nutritional soft sweets containing lutein ester microcapsule powder and a preparation method of the nutritional soft sweets. The soft sweets comprise the following raw materials in percentage by weight: 15-20% of lutein ester microcapsule powder, 60-70% of soft sweets matrix, 1-3% of auxiliaries and the balance of drinking water, the lutein ester microcapsule powder is prepared from the following raw materials in percentage by weight: 10 to 15 percent of lutein ester crystals, 10 to 12 percent of vegetable oil, 0.5 to 1 percent of ascorbyl palmitate, 8 to 12 percent of starch octenyl succinate, 5 to 8 percent of succinylated black bean protein, 1.5 to 2.5 percent of blueberry polysaccharide and the balance of drinking water. The soft sweets provided by the invention can realize long-acting stability of lutein ester, and finally guarantee persistence of an eye protection effect.

The invention provides a lutein liposome preparation process for improving bioavailability. The lutein liposome preparation process comprises the following steps: S1, preparing raw materials; s2, preparing a lutein lipid solution: dissolving lutein and a lipid phase in a trichloromethane methanol solution to obtain the lutein lipid solution; s3, forming a thin film: carrying out rotary evaporation on the lutein lipid solution, and removing the organic solvent to form a uniform thin film; s4, preparation and hydration of a composite polyphenol solution: dissolving composite polyphenol in a thermal phosphate solution to obtain the composite polyphenol solution, dropwise adding the composite polyphenol solution into the film for hydration, and performing rotary evaporation to remove an organic solvent to form a uniform film; s5, redissolution and ultrasonic treatment: adding the film into a bile salt solution for redissolution, performing ultrasonic treatment under the ice-water bath stirring condition, and continuing stirring after ultrasonic treatment; and S6, centrifuging and purifying: centrifuging the dispersion liquid to remove unembedded xanthophyll, extruding the dispersion liquid through a polycarbonate film, and removing excessive composite polyphenol through a sephadex column to obtain the composite polyphenol xanthophyll liposome. By adopting the preparation process, the bioavailability of the xanthophyll can be improved.

The invention provides a polaroid and a preparation method thereof. The polaroid sequentially comprises a protective film, a COATIN-optical compensation film layer, a polarized photon layer, a compensation layer and a release film from one side to the other side, and the optical axis angle of the COATIN-optical compensation film layer is inclined by 20-50 degrees, and the compensation value is 40-10000. By the adoption of the technical scheme, the circular polarization conversion layer is externally arranged in the polaroid structure while the linear polaroid layer is reserved, compatibility of the polaroid and an LCD panel is reserved, and linear polarization can be converted into circular polarization; according to the present invention, the xanthophyll-containing eye protection film can effectively protect eyes, can efficiently filter blue light, has characteristics of low glare interference and stable dynamic display, and can reduce the dependence of retina on xanthophyll so as to effectively protect eyes during long-term use.

The invention discloses a method for determining the content of xanthophyll in fructus lycii, which comprises the following steps: weighing a fructus lycii sample, and preparing a test solution; weighing a lutein reference substance, and preparing a reference substance stock solution; precisely measuring the reference substance stock solution to prepare a reference substance solution; precisely measuring 10 microliters of the test solution and 10 microliters of the reference solution, injecting the solutions into a high performance liquid chromatograph, and recording chromatograms; and reading a chromatographic peak with the same retention time as the main peak of the reference substance solution in the chromatogram of the test solution, calculating the xanthophyll content according to the peak area by an external standard method, and calculating the xanthophyll extraction rate according to the xanthophyll content. The method has the remarkable effects that verification shows that the method for measuring the content of xanthophyll is good in applicability, and reference can be provided for measuring other xanthophyll substances.

1. The name of the design product: packing bag (blueberry xanthophyll ester juice lollipop). 2. The use of the design product: packing for candy. 3. The design points of the design product: the combination of shape, pattern and color. 4. The picture or photo that best shows the design points: front view. 5. The design for which protection is sought contains color. 6. The design product is a planar product, and the left view, right view, top view and bottom view are omitted.

The present application relates to the genetic breeding field of Xanthoceras sorbifolia Bunge, in particular to a Xanthoceras sorbifolia Bunge nervonic acid content tightly linked SNP molecular marker and application thereof. The present application further designs specific molecular markers and primer combinations thereof based on the SNP site on the 3rd chromosome of Xanthoceras sorbifolia Bunge, which is significantly associated with the control of nervonic acid content, thereby constructing the SNP site tightly linked to the nervonic acid content of Xanthoceras sorbifolia Bunge, the molecular marker thereof, the application thereof in identifying Xanthoceras sorbifolia Bunge varieties with high nervonic acid content, and the identification method. The identification method has high accuracy and greatly improves the identification efficiency, and provides a practical tool that can be popularized for large-scale germplasm resource screening. In addition, the SNP marker of the present application is located on the intron of the KCS gene, which provides a theoretical basis for subsequent KCS gene research. The present application provides convenience for variety trait improvement and the like, and the development of the SNP marker has important significance for the cultivation of Xanthoceras sorbifolia Bunge varieties with high nervonic acid content.

The invention belongs to the field of wheat genetic breeding, discloses a creation method and application of a wheat-elytrigia elongata lutein-rich short fragment translocation line, and further discloses a creation method of a wheat-elytrigia elongata lutein-rich short fragment genetic improvement line. According to the invention, molecular marker-assisted selection, an in-situ hybridization identification technology and a xanthophyll identification technology are combined to create a xanthophyll-rich short-fragment translocation line and a xanthophyll-rich genetic improvement line, which can be popularized and applied in functional wheat breeding.

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 discloses an application of a surfactant and / or a chelating agent in extraction of chloroplast pigments, and belongs to the technical field of photosynthetic pigment extraction. On one hand, the solubility of pigments such as beta-carotene, phaeophytin, chlorophyll a ', chlorophyll a, chlorophyll b', chlorophyll b, xanthophyll, violaxanthin and neoxanthin can be remarkably increased, and on the other hand, oxidation of ROS molecules to the pigments can be inhibited. In addition, a small amount of metal chelating agent is added into the extraction unit, so that oxidative damage of oxidizing metal ions such as Fe < 3 + >, Ag < + > and Cu < 2 + > which are possibly released from grinding equipment during extraction to pigments can be effectively inhibited.

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 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.