389 results about "Lutein esters" patented technology

The invention discloses lutein ester microcapsule powder and a preparation method thereof. The preparation method comprises the following steps of: preparing an oil phase solution and a water phase solution respectively, and mixing and emulsifying the oil phase solution and the water phase solution; and non-water raw materials comprise the following components in part by weight: 1 part of lutein ester crystal, 0.05 to 0.1 part of oil phase antioxidant, 0.02 to 0.1 part of oil phase emulsifying agent, 0.05 to 1 part of plant oil, 0.5 to 25 parts of wall material, 0.1 to 0.5 part of water phaseemulsifying agent, 0.05 to 1 part of water phase antioxidant, and the balance of filler. In the preparation method for the lutein ester microcapsule powder, the oil-soluble lutein ester is fully dispersed in cold water in the form of sub nanometer particles, and the product can be self-emulsified in water, and is good in instant capacity and self-emulsification capacity, and high in stability, and has uniform and durable color; and the phenomena of oil floating, precipitation, adhesion to a bottle wall and the like are avoided during application. Organic solvents are not introduced in the powder, so solvent residues are avoided in the product. The production process is environment-friendly, simple and practicable, expensive equipment is not needed, and the microcapsule powder can be industrially produced easily and conveniently.

The invention discloses a lutein ester microcapsule, mainly comprising core material lutein ester powder, vegetable oil for dissolving the core material, a wall material, an antioxidant and an emulsifier, wherein the lutein ester microcapsule is prepared by the processes of preparing an oil-phase solution and a water-phase solution, and then mixing and emulsifying the oil-phase solution and the water-phase solution. No organic solvent is used in the overall process of preparation of the lutein ester microcapsule, the microcapsule wall material mainly is carbohydrate, and is wider in source and higher in safety, and the obtained lutein ester microcapsule is applicable to application in the fields such as a food and a medicine, and has high commercial value. In addition, the lutein ester microcapsule prepared by the method can be stably stored for a long period of time at room temperature, and has important significance on storage, transportation and use of the lutein ester.

The invention discloses a lutein ester soft candy and a production method thereof. The lutein ester soft candy comprises, by weight, 65-80 parts of low calorie sugar, 0.02-0.3 part of lutein esters, 0-5 parts of extract, 0-5 parts of fruit juice, 0.8-1.5 part of sour agent, 3-10 parts of gelatinizing agent, and 15-20 parts of water. The production method includes the steps of firstly, boiling the sugar; secondly, gelatinizing; thirdly, dissolving lutein esters for standby; fourthly, dissolving the extract for standby; fifthly, dissolving the sour agent for standby; sixthly, mixing liquid materials obtained in the steps (1) and (2) to obtain mixed liquid, adding fragrance and the materials obtained in the steps (3), (4) and (5) into the mixed liquid under stirring, mixing well the liquid which then has pH of 3-4, holding the temperature, and performing vacuum degassing to obtain pre-pouring soft candy liquid; and seventhly, pouring, drying, blowing powder and subpackaging. The lutein ester soft candy is suitable for daily optional serve to supplement the lutein esters.

The invention relates to a formula of a fruit and vegetable beverage and application thereof, in particular to a formula which is beneficial to eye nutrition and vision care and is prepared from Chinese wolfberry juice, mulberry juice, carrot juice and other additives. The formula can be added with one or more of vitamin A, beta-carotene, vitamin C, vitamin B1, vitamin B2, vitamin B6, vitamin B12, lutein and lutein ester; the formula can be added with one or more trace elements of zinc, selenium, manganese, chromium, calcium, phosphorus and molybdenum; the formula can be added with one or more of blueberry juice, orange juice, strawberry juice and cherry juice; and the formula can be added with one or more Chinese medicinal extracts of chrysanthemum, kudzuvine root, glossy privet fruit, mulberry leaf, pearl, ginkgo leaf, fiveleaf gynostemma herb, anthocyanin, grape seed, cassia seed, south dodder seed and feather cockscomb seed.

The present invention is the lutein crystal preparing process from marigold flower. Lutein ester is first extracted from marigold flower with non-polar solvent under heating condition and then saponified with alkali solution in stirring and heating condition; and the saponified product is diluted with deionized water and separated, washed and vacuum dried. After that, the obtained lutein crystal is re-crystallized in three-component solvent of tetrahydrofuran, deionized water and normal hexane or petroleum ether; and the lutein crystal is suction filtered, washed and vacuum dried. The present invention has low-toxicity solvent in small amount used, simple technological process, high extraction, rate, and high product purity. The product of the present invention may be used widely as feed coloring additive and food coloring agent and in medicine and health care article.

The invention relates to a lutein ester soft sweet and a preparation method of the lutein ester soft sweet. The soft sweet comprises 60-90% of sweet material, 0.01-10% of lutein ester micro-capsule or water soluble powder, 0.1-15% of gelling agent, 0.01-5% of sour agent, 0-10% of extract, 0-30% of concentrated juice, 0-0.5% of food flavor and 5-34% of water. The preparation method of the lutein ester soft sweet comprises the following steps of: a. sugaring off; b. gelling; c. mixing sugar liquid with gel liquid or gel peptone; d. adding lutein ester, the extract, the concentrated juice, the flavor and the sour agent into the mixed liquid; and e. preparing a finished product. The lutein ester soft sweet has health care functions of relieving visual fatigue, improving eyesight, preventing age related macular degeneration (AMD), and is good in mouthfeel, not glutinous, chewable and palatable in sour and sweet, thus being a healthy snack food; and the preparation method of the lutein ester soft sweet is simple, easy to operate and suitable for industrial production.

The invention discloses a blueberry composite tablet candy capable of relieving visual fatigue and a preparation method thereof. The blueberry composite tablet candy capable of relieving the visual fatigue comprises the following raw materials in percentage by weight: 13.25 percent of a blueberry extract, 0.5 percent of lutein esters, 0.3 percent of beta-carotene, 1.0 percent of citric acid, 64.45 percent of sorbitol, 2 percent of xylooligosaccharide, 3 percent of dextrin and 15 percent of microcrystalline cellulose, wherein the blueberry extract is extracted from a mixture of blackberry pomace dry matter and acid ethanol; the acid ethanol comprises ethanol and water with the volume percentage of 60 percent; the pH value of the acid ethanol is 1.5 to 3.0; the blackberry pomace dry matter and the acid ethanol are in the mass volume ratio of 1:50-1:70; the preparation method of the blueberry composite tablet candy capable of relieving the visual fatigue comprises the following main steps: 1, preparing the blueberry extract; 2, crushing; 3, mixing; 4, granulating; 5, tabletting; 6 packaging. The blueberry composite tablet candy capable of relieving the visual fatigue can effectively relieve the visual fatigue, can improve eyesight after long-term eating, and is convenient to take; a new using way is provided for utilizing fresh blueberry and fully playing intentional physiological and pharmacological efficacies.

The invention discloses a lutein ester health care product for protecting eyesight. The lutein ester health care product is prepared by taking lutein ester as a main material, and adding any one or more materials including taurine, selenium, zinc, alpha-lipoic acid, docosahexaenoic acid (DHA), vitamin A, vitamin E, vitamin B1, vitamin B2 and bilberry extract, and pharmaceutically acceptable formulation accessories. The outstanding innovation of the invention is the implementation of the method for preparing a functional eye health care product with the lutein ester instead of lutein, so that the bioavailability, the stability and the health care effect of the product are improved, and production cost can be greatly reduced. The health care product can be prepared into common dosage forms, such as tablets, capsula, granules and soft capsules. The lutein ester health care product is mainly used for the treatment on diseases, such as myopia, amblyopia, hyperopia, presbyopia, cataract, vitreous opacity, retinal pigment degeneration, macular degeneration, asthenopia, and retinopathy caused by diabetes, and the like. The lutein ester health care product adopts a unique formulation of multiple constituents, measures and mechanisms, and has significant treatment effects and excellent social and economic benefits.

The invention discloses edible blend oil. The oil provided by the invention contains 0.005-2 wt% of lutein or lutein ester, calculated by the total weight of the edible blend oil. The invention also discloses a preparation method and an application of the edible blend oil.

The invention relates to lutein ester or lutein emulsion and a preparation method of the lutein ester or lutein emulsion, and aims at solving the problems that the stability and the water solubility of the lutein ester or lutein are poor, and the bioavailability is low. The emulsion is composed of the lutein ester or lutein, a solvent, an emulsifying agent, an auxiliary emulsifying agent, water and the like. The transparent or semi-transparent O / W type lutein ester emulsion is prepared by adopting a micro-emulsifying technology. The method is easy to operate and low in energy consumption, and is suitable for industrial production. The prepared lutein ester emulsion is uniform and has the strong stability, and can be diluted by adding the water at any ratio; and meanwhile, the system compatibility is good, and a plurality of beneficial components including amino acids, minerals, probiotics and the like can be compounded. The lutein ester or lutein emulsion can be widely applied to industries including health products, functional beverages, cosmetics, medicines and the like.

The invention relates to method for preparing and stabilizing high-purity lutein ester and removing pollutants thereof; at temperature of 20 DEG C to 70 DEG C, the particles of marigold flowers are dissolved in normal butane or acetone, stirred for 0.5h to 5h and filtered to obtain an extraction solution; an adsorbing agent is added into the extraction solution, stirred for 0.5h to 5h at temperature of 20 DEG C to 70 DEG C and filtered; a mother solution is collected and dried in vacuum, thus obtaining a concentrated substance. The concentrated substance is dissolved in isopropanol or butyl alcohol, stirred for 0.5h to 5h at temperature of 20 DEG C to 70 DEG C and slowly cooled to -10 DEG C to 10 DEG C after forming an even solution, and then filtered after 6 to 18 hours; the filter mass is added with an antioxidant after being washed by lower alcohol, and then dried to remove the lower alcohol, and thus the high-purity lutein ester is finally obtained. The method is characterized by obvious effect on removing pollutants, high product yield and low product degrading speed; and the lutein ester is further made into an oil soluble substance which has stronger stability, thereby solving the problem that the lutein ester product is easily oxidized and not easy for storing, etc.

The invention discloses a method for purifying lutein esters and in particular relates to a method for extracting high-purity lutein esters from marigold ointment. The method is characterized by dissolving the marigold ointment into ethyl acetate at 25-80 DEG C and stirring the mixture for 1-6h; adding absolute ethyl alcohol to the liquid obtained through heat filtration and stirring the mixture at 20-70 DEG C for 0.5-5.0h to form uniform solution and then filtering the solution after cooling the solution at minus 5-30 DEG C for 5-20h; and then washing filter cakes with lower alcohol and drying the solid under vacuum to remove the solvent residues, thus obtaining the required high-purity lutein esters. The content of the lutein esters is 70-80%. The method is high in product yield, simple and convenient to operate and easy to realize large-scale industrial production.

This invention relates to a practical and effective process for converting esterified xanthophylls, including zeaxanthin, to non-esterified xanthophylls through saponification. In addition, the invention provides a process for obtaining esterified zeaxanthin in high yields and purities, isolating the xanthophylls from interfering substances such as waxes, oils, and fats. A product of this process is a zeaxanthin rich substrate that is suitable for use in foods, nutritional supplements, cosmetics, pharmaceuticals and related products.

The present invention describes a method of preparation of formulations of microcrystalline lutein, particularly in the form of esters, which are resistant to oxidation and are soluble in hydrophilic and / or lipophilic media. For these formulations, the esters of lutein are mixed with antioxidants, vegetable oils and / or organic solvents, and this initial mixture is submitted to various stages depending on the type of final formulation required. These formulations are suitable for direct application as colourants in the pharmaceutical, food and cosmetics fields. They can also be used as diet supplements.

The invention relates to a method for extraction and separation of xanthophyll and flavones in marigold, and belongs to the technical field of extraction of the xanthophyll and flavonoids compounds. According to the method, marigold petal powder is added into an isopropanol-potassium hydroxide two-aqueous-phase system for one-step extraction to separate an upper phase and a lower phase, and a final product is prepared by dealkalization, filtration and evaporation. The method greatly simplifies the process of extraction and separation of the xanthophyll and the flavones, and overcomes the defects of large use amount of organic solvents, high material consumption and high energy consumption. The extraction rate of the xanthophyll in the upper phase reaches 86.73%, and the xanthophyll ester saponification rate reaches 93.98%, and the extraction rate of the flavonoids compounds in the lower phase reaches 78.31%. The method is easy to operate, and green, can realize simultaneous xanthophyll saponification and extraction, and can be used for effective separation of the flavonoids compounds.

The invention relates to a method for manufacturing a water-soluble lutein ester, and belongs to the fields of natural food colorants and nutritional supplements. The invention particularly relates to a formula of modifying an oil-soluble lutein ester into the water-soluble lutein ester and a technology thereof. The method comprises the following steps: adding commercial lutein ester, vegetable oil and an antioxidant based on a weight ratio of 1:2-10:0.01-0.03 into a mixing cylinder; heating to 60-90 DEG C, and uniformly stirring and thermal insulating for 10-20 minutes to obtain a uniform mixed liquor A; while stirring, adding a hydrated agent which is preheated to 50-80 DEG C, and thermal insulating and stirring at the temperature of 55-65 DEG C for 1 hour to obtain a mixed liquor B; adding a diluter, which is preheated to 40-80 DEG C, into the mixed liquor B; and uniformly stirring at 55-65 DEG C, and naturally cooling to below 30 DEG C to obtain the stable water-soluble lutein ester. The invention has the advantages of simple technology, strong adaptability and easy large-scale industrial production. When being stored at room temperature or low temperature, the water-soluble lutein ester can not become turbid, does not precipitate floccule and has favorable flowing property.

The invention provides a liquid diary products containing lutein ester and cryptpxanthin, using the total weight of the liquid diary products as reference, wherein milk >=35%; lutein ester and cryptpxanthin 0.0008%-0.005%; antioxidant 0.001-0.002%; emulsifier 0.01-0.30%. The liquid diary products are prepared by addinglutein ester and cryptpxanthin into the diary and / or water; shearing and stirring up the mixture for 15-30 minutes by a high-speed shearing stirrer and performing homogenization-treatment of the stirred-up mixture. The invention ensures the good stability and taste of the liquiddiary products in shelf life, using a reasonable formula and proper technology.

A xanthophyll composition that contains macular pigments including trans-lutein and zeaxanthin isomers, namely, (R,R)-zeaxanthin and (R,S)-zeaxanthin, derived from the plant extract / oleoresin containing xanthophylls / xanthophylls esters which is safe for human consumption and useful for nutrition and health care. The composition has at least 80% by weight that is total xanthophylls, of which the ratio of trans-lutein and zeaxanthin isomers being in the range of about 4:1 to about 6:1 and the ratio of the isomers of zeaxanthin being in the range of about 80 to 20:20 to 80.

The present invention is concerned with a process to convert xanthophyll esters derived from Capsicum sources to their free (non-esterified) forms. The present invention is concerned with a process for obtaining Capsicum derived xanthophylls that meet the finished product needs for purity, yield, ease of use, industrial compatibility and cost that are required to make product suitable for the nutritional supplement, food and beverage industries. The present invention is concerned with a process which yields from 60 to 80%, of xanthophyll materials and nearly quantitative recovery of all input xanthophylls, which xanthophylls are of high purity. The present invention concerns a method to obtain xanthophyll esters present almost exclusively in the trans form when isolated from the natural plant sources. The present invention concerns a process to re-convert cis product back to the more desired trans form.

The invention provides a nutrient composition capable of controlling high blood sugar of crowds suffering from type 2 diabetes and improving immunity. The nutrient composition is prepared from the following raw materials in parts by weight: 1-20 parts of a navy bean extract, 10-15 parts of inulin, 5-10 parts of resistant dextrin, 0.5-1 part of xylooligosaccharide, 0.2-0.5 part of ginseng, 0.2-0.5part of resveratrol, 2-60 parts of rhizoma polygonati, 0.5-1 part of kudzuvine roots, 0.05-0.8 part of bovine coloctrum, 0.2-0.4 part of beer yeast, 1-1.2 parts of wheat oligopeptide, 0.06-0.09 part of bitter gourd polypeptide, 0.01-0.03 part of lutein esters, 0.01-0.02 part of taurine, 0.01-0.014 part of vitamin B1, 0.01-0.014 part of vitamin B2, 0.01-0.014 part of vitamin B6, 0.00012-0.00024 part of vitamin B12 and 4-8 parts of Isomalt. The nutrient composition provided by the invention is scientifically prepared for the crowds suffering from type 2 diabetes, can solve the problem of maintaining nutrients comprehensive and balanced, can quickly and effectively control a forming mechanism for converting starch foods into sugar and a forming mechanism for converting starch foods into fat,and has the efficacy of quickly regulating blood sugar, controlling body weight, improving immunity of organisms, resisting weariness, regulating blood fat, improving osteoporosis, invigorating the kidney, tonifying the kidney and the like.

The present invention discloses a chewable tablet containing lutein ester, zeaxanthin, blueberries and Chinese wolfberry fruits and a preparation method thereof. The chewable tablet comprises the following components in parts by weight: 1-2 parts of lutein ester, 0.1-0.5 part of zeaxanthin, 10-20 parts of blueberry juice powder, 25-35 parts of Chinese wolfberry fruit juice powder, 5-10 parts of sour and sweet orange powder, 5-10 parts of sweet cherry powder, 20-30 parts of flavoring agents and 0.2-0.6 part of lubricant. The chewable tablets has health-care effects in relieving visual fatigue and improving eyesight, solves problems that the existing products are single in composition and effectiveness, etc., and is good in mouthfeel, convenient to eat, good in absorption effect and more attractive to consumers.

The invention relates to a bilberry and lutein soft capsule, which aims to overcome the defects that a number of oral medicaments and eye drops taking lutein as a main ingredient for easing visual fatigue on the market are difficult to bring the efficacy of the lutein into full play due to unreasonable compatibility and can not fulfill the effect of easing the visual fatigue. The bilberry and lutein soft capsule comprises contents and glue liquor, wherein the contents are prepared from the following auxiliary materials in parts by weight: 70-88 parts of bilberry extracts, 36-45 parts of lutein ester, 8-12 parts of natural beta-carotene oil, 0.9-1.2 part(s) of natural vitamin E, 23-28 parts of beeswax and 320-380 parts of soybean oil. The invention further relates to a preparation method of the bilberry and lutein soft capsule. The bilberry and lutein soft capsule disclosed by the invention can bring the effects of the lutein into full play, becomes effective at a high speed, does not bounce in effect, has the advantages of being capable of consolidating curative effects, lasting in action and the like, and is widely suitable for treatment on functional visual fatigue and symptomatic visual fatigue, and in particular suitable for patients with the visual fatigue caused by long-term overuse of the eyes.

The invention discloses a method for extracting lutein ester compounds form marigolds, relating to an extraction method for extracting natural and edible uranidin lutein ester compounds from dried flower particles of the marigolds by adopting column chromatography and comprising two steps of ultrasonic extraction and the column chromatography. The extraction rate of the obtained lutein ester compounds can achieve 8.4%-8.6%, the lutein ester compounds have favorable purity after being determined by ultraviolet spectrophotometry, and the color scale E474nm1% is approximate to 698.

The invention discloses an eye care preparation. The eye care preparation comprises, by weight, 0.002-10 parts of lutein ester, 0.002-2 parts of zeaxanthin and 0.002-2 parts of astaxanthin. Lutein ester, zeaxanthin and astaxanthin are compounded to generate synergism, so the bioavailability of the lutein ester is improved, and the lutein ester can be easily absorbed by human body. A stepwise layered embedding preparation technology is adopted in the preparation process, and is characterized in that a lutein ester and embedding material mixture is adopted as an embedding material to embed astaxanthin, a zeaxanthin and embedding material mixture is adopted as an embedding material to carry out secondary embedding, and the above embedding material is adopted to carry out tertiary embedding, so the stability of the lutein ester and zeaxanthin is improved, the synergism of the lutein ester, zeaxanthin and astaxanthin is well displayed, and the absorption availability of the lutein ester is high, thereby the eye care preparation has a substantial improvement effect on shortsightedness and amblyopia.

The invention discloses a composition for relieving asthenopia of the adolescent and promoting memory and a preparation method of the composition for relieving asthenopia of the adolescent and promoting memory. The composition is prepared by the following components in certain parts by weight: lutein ester, lutein, blueberry powder, vitamin A, taurine, vitamin B1, vitamin B2, vitamin B3, vitamin B6, vitamin B12, vitamin C, calcium pantothenate and zinc gluconate. The composition can be prepared into various food categories, preferably into the food categories of beverage, dairy product, biscuit, candy product and special diet. The composition of the invention is scientific in raw material compatibility and is capable of supplementing nutritional elements needed for the eyes and the brain, relieving asthenopia of the adolescent and promoting memory.

The invention discloses stress-relieving candy and a preparation method thereof and belongs to the technical field of food processing. The preparation method mainly includes steps: preparing gamma-aminobutyric acid through a fermentation process, adding mannitol, powdered sugar and anhydrous glucose into the gamma-aminobutyric acid according to a certain weight percentage, mixing well, adding a proper amount of alcohol, and quickly granulating; drying, sieving, performing size stabilization, adding vitamin C, lutein ester, sorbitol, fruit powder, essence, aspartame and magnesium stearate, mixing well, and tabletting. The stress-relieving candy has the advantages that the candy contains the gamma-aminobutyric acid having functions of hypnotizing and relieving stress, and the gamma-aminobutyric acid is combined with the vitamin C and the lutein ester, so that the stress-relieving candy has efficacy of resisting oxidation and relieving stress and eye fatigue and convenient to eat, and the stres-relieving candy which is functional is provided to middle aged and elderly people.

The present invention relates to a process for obtaining stabilized Lutein with about 95% yield from oleoresin at ambient temperature, said process comprising steps of dissolving cleaned oleoresin in alcohol to obtain dissolved Xanthophylls esters as clear solution on filtration, cleaning dissolved oleoresin comprising xanthophylls esters in ion-exchange resin, hydrolyzing the clear solution with base in presence of phase-transfer catalyst in alcohol medium, quenching the hydrolyzed solution in water maintaining acidic pH to obtain undissolved solids on filtration, dissolving the solids in ester to obtain ester layer on filtration, drying ester layer to obtain semi-solid residue, triturating the semi-solid residue in alcohol whereby obtaining lutein crystals of about 65% assay and an alcoholic fraction, distilling the alcoholic fraction to obtain non water-soluble fractions, and mixing the Lutein crystals with non water-soluble fractions to obtain a stable Lutein paste.

The invention disclosed in this application relates to a process for the preparation of xanthophyll crystals containing at least 85% total xanthophylls with at least 90% trans-lutein and / or zeaxanthin, trace amounts of cis-lutein and other carotenoids which comprises admixing and heating xanthophyll ester concentrate using excess alcoholic alkali solution ,maintaining the resulting mixture at a temperature in the range of 65 .degree. C. to about 80 .degree C., for a period sufficient to saponify the xanthophyll esters; removing the aliphatic alcohol from the mixture under reduced pressure to get saponified crude concentrate; admixing the saponified crude concentrate obtained with water at room temperature to form a diluted oily mixture ; extracting the diluted oily mixture obtained with ethyl acetate to get xanthophyll extract which is processed by conventional methods to get xanthophyll crystals containing high amounts of trans-lutein and / or zeaxanthin along with trace amounts of cis-lutein and other carotenoids. The xanthophyll crystals prepared by the process of the present invention are useful as antioxidant, prevention of cataract and macular degeneration, lung cancer preventive agent, as agents for the absorption of harmful ultra-violet light from sun rays and quencher of photo-induced free radical and reactive oxygen species.