67 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 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.

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 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 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 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 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.

The utility model discloses a marigold lutein feed additive production system which comprises a heating furnace, a saponification tank, a curing tank, a primary mixing tank, a pulverizer, a secondary mixing tank and a packaging machine which are sequentially connected, a chain type conveying belt is arranged above the heating furnace and the saponification tank, and a plurality of vertical rods are evenly arranged on the chain type conveying belt at intervals. The end of the vertical rod is connected with a rotating rod through a rotating shaft, an extract barrel fixing mechanism is fixed to the rotating rod, a lower belt of the chain type conveying belt penetrates through a furnace inlet and a furnace outlet of the heating furnace, furnace doors capable of being automatically lifted, opened and closed are arranged at the furnace inlet and the furnace outlet of the heating furnace, and jackets are arranged on the outer wall of the heating furnace and the outer wall of the saponification tank. The two jackets are communicated through a conveying pipe, a temperature regulator is arranged on the conveying pipe, and a temperature sensor is arranged in the saponification tank. In conclusion, the saponification device has the advantages of high saponification efficiency, less energy waste and high automation degree.

The invention provides a blueberry and grape seed xanthophyll preparation for relieving asthenopia and a preparation method thereof. The preparation method comprises the following steps: converting xanthophyll into an oil phase; mixing a base catalyst, a phase transfer catalyst and pure water to obtain a water phase; flowing the oil phase through a tube pass of the hollow fiber membrane reactor with a first control parameter, and flowing the water phase through a shell pass of the hollow fiber membrane with a second control parameter; the oil phase and the water phase catalytically hydrolyze the xanthophyll at an oil phase-water phase interface, free xanthophyll is generated and retained in the oil phase, the dehydrated oil phase, the blueberry extract, the grape seed extract and carotene are mixed and homogenized to form uniform slurry, and free xanthophyll is obtained through hollow fiber membrane interface catalytic hydrolysis. The lutein isomerization loss caused by a strong alkali saponification process is avoided, the bioavailability and stability of active ingredients are improved, and the human body absorption rate is improved.

1. The name of the design product: packing bottle (blueberry xanthophyll ester soft candy). 2. The use of the design product: for packing product. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that can best show the design points: perspective view.

The invention relates to the technical field of poultry breeding and poultry egg production, in particular to nutrient-enriched healthy duck eggs as well as a production method and a pickling method thereof. According to the production method of the nutrition-enriched healthy duck eggs provided by the invention, healthy Shaoxing ducks are selected as the laying ducks, the contents of unsaturated fatty acid, selenium and xanthophyll in the duck eggs can be pertinently increased by feeding the duck eggs with the nutrition-enriched feed additive and the probiotics, and the proportion of EPA / DHA is relatively high. According to the pickling method of the nutrition-fortified healthy duck eggs, the prepared nutrition-fortified fresh duck eggs serve as raw materials, the pickling process is optimized, degradation of nutrient substances is effectively reduced, the retention rate of selenium, xanthophyll and polyunsaturated fatty acid in the salted duck eggs is high, meanwhile, the salted duck eggs have good pickling quality, and the salted duck eggs are rich in nutrition. The prepared salted duck eggs are high in oil yield and appropriate in salt content.

The application relates to a method for extracting and separating xanthophyll from tagetes, which comprises the following steps: mixing dry tagetes raw materials with binary organic solvents to perform leaching, and concentrating the extract; mixing thick paste or dry leaching paste with alcohol aqueous solution containing inorganic alkali to stir; reducing the alcohol concentration in the mixed solution and adjusting pH, and performing solid-liquid separation; dissolving the precipitate in alkane, mixing with alcohol aqueous solution containing inorganic alkali, stirring, standing for crystallization, solid-liquid separation, harvesting the crystal, and drying, so that the xanthophyll is obtained. The application develops a brand-new method for extracting and separating xanthophyll from tagetes, which sequentially performs binary organic solvent leaching, concentration, alkali-alcohol dispersion impurity removal treatment, high-concentration alkali-alcohol saponification and crystallization treatment on tagetes raw materials, so that the xanthophyll product with high purity and high conversion rate is obtained. The process method has the advantages of low operation difficulty, low energy consumption, safety and environmental protection, easy industrialization amplification, and convenience for development and preparation of downstream products.

This invention relates to the field of biotechnology, and more particularly to the tobacco NtTL17L gene and its applications. Experiments conducted in this invention have revealed that NtTL17L gene loss-of-function mutants exhibit increased levels of chlorophyll b, xanthophyll, and apocynin in their leaves, decreased chlorogenic acid content, and increased drought and salt tolerance. This has significant theoretical and applied implications for regulating tobacco photosynthesis, secondary metabolism, and improving tobacco leaf yield, providing new insights for tobacco breeding.

1. The name of the design product: packing box (blueberry xanthophyll ester soft candy). 2. The use of the design product: for packing product. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that can best show the design points: front view.

To provide an oil-soluble pigment emulsified preparation which uses alkenylsuccinic acid esterified starch having high emulsion stability and color tone stability during storage.SOLUTION: An oil-soluble pigment preparation is an oil-in-water type emulsified composition including an aqueous phase containing alkenylsuccinic acid esterified starch and a water-soluble polysaccharide, and an oil phase containing an oil-soluble pigment, where a pH of the aqueous phase is 3.5 or lower. The oil-soluble pigment desirably includes xanthophylls such as astaxanthin, capsanthin, canthaxanthin, cryptoxanthin, zeaxanthin, fucoxanthin, lutein, capsicum pigment (alternatively: paprika pigment), marigold pigment, orange pigment, phaffia pigment, and haematococcus algae pigment.SELECTED DRAWING: None