797 results about "Astaxanthin" patented technology

A new method for krill meal production has been developed using a two step cooking process. In the first step the proteins and phospholipids are removed from the krill and precipitated as a coagulum. In the second stage the krill without phospholipids are cooked. Following this, residual fat and astaxanthin are removed from the krill using mechanical separation methods. A novel krill meal product with superior nutritional and technical properties is prepared.

The invention belongs to the field of microbial fermentation engineering, and discloses schizochytrium limacinum (Aurantiochytrium sp.SD116). The schizochytrium limacinum is stored in China Microbial Culture Collection Administration Committee General Microbial Center with a number of CGMCC No: 6208), and a method for fermenting and producing DHA (Docosahexaenoic Acid) grease utilizing high density of the schizochytrium limacinum. According to the schizochytrium limacinum and the method disclosed by the invention, a bacterial strain fermenting condition is optimized based on element supply and a fermenting control angle, a carbohydrate supplementation operation is carried out, therefore, high-density fermentation is achieved, dry cell weight finally reaches 70.43g/L, grease content reaches 50.1g/L, DHA occupies more than 35% of total content of fatty acid; moreover, bioactive substances such as beta-carotene, astaxanthin and squalene are contained. The complete set of technology is convenient to operate; higher biomass liveweight and DHA content can be obtained; fermenting cost can be reduced; and the method is suitable for industrial fermenting production.

The invention relates to processing crustaceans such as krill to oils comprising phospholipids that are Newtonian fluids and/or and have low viscosity, and in particular to the production of oils containing astaxanthin and phospholipids that show Newtonian fluidity and have a low viscosity.

The method of producing chitin, astaxanthin, protein, calcium powder and biofertilizer with shrimp shell includes the following technological steps: crushing shrimp shell, enzymolysis with composite enzyme, extracting with organic solvent, reaction and separating liquid from solid; separating the liquid into hydrolysis liquid and organic liquid ; vacuum concentrating the organic liquid to obtain coarse astaxanthin; eliminating organic solvent from hydrolysis liquid, vacuum concentrating and spray drying to obtain protein powder; soaking the solid in 3 % concentration hydrochloric acid and rinsing to obtain chitin; introducing CO2 gas to the waste acid solution and filtering to obtain active calcium powder; ultrafiltering the coarse astaxanthin liquid to obtain astaxanthin; adding phytic acid and active oligose into the effluent to obtain nutritious liquid as biofertilizer.

Administering water-soluble or dispersible synthetic analogs or derivatives of astaxanthin, lutein, zeaxanthin, or lycophyll and/or other carotenoids to a subject may reduce some of the adverse effects of inflammation in a body organ or tissue. The analogs or derivatives may be incorporated into pharmaceutical, over-the-counter, or nutraceutical preparations. Administration of the analogs or derivatives described herein may reduce deposition of inflammatory mediators such as C-reactive protein, complement system proteins or the membrane attack complex (MAC) in tissues. Reduced deposition of these molecules in tissues may reduce cell damage and/or lysis in the tissues.

The patent relates to health foods containing natural astaxanthin, which is made into liquid capsule containing natural astaxanthin with natural astaxanthin oil, edible oil and fat and natural antioxidant as raw materials by conventional processing; or which is made into power capsule or tables containing natural astaxanthin with natural astaxanthin, natural antioxidant and other health food as raw materials by conventional processing. In comparison with present technology, the advantage of the invention includes, (1) the health food provided in present patent takes natural astaxanthin as main raw material, has the strongest antioxidant, capable of improving human immunity and anti-aging and ranking first in terms of health foods containing natural antioxidant; (2) the health food is made from pure natural materials and without any compound materials and side-effect; (3) the natural astaxanthin of health food coordinately used with shark cartilage, glucosamine hydrochloride, chitosan, propolis and paclitaxel etc as function material, which is capable of enhancing astaxanthin function; (4) adding antioxidant of natural tea-pigment and tea polyphenols is capable of avoiding oxidation of astaxanthin, thus prolonging shelf life more than one year.

Beneficial and synergistic effects for alleviating joint pain and symptoms of osteoarthritis and/or rheumatoid arthritis have been found with krill oil and/or marine oil in combination with other active constituents, including astaxanthin and polymeric hyaluronic acid or sodium hyaluronate (hyaluronan) in an oral dosage form.

We describe a composition comprising a source of long chain polyunsaturated fatty acid, for example, docosahexaenoic acid (DHA), and a carotenoid, for example, astaxanthin and other nutrients for prophylactic and/or therapeutic use in the healing of trauma- and stress-induced inflammatory conditions.

The present invention is one kind of nutrient reinforcing agent for artificial fry raising of marine animal, and relates to the recipe and preparation process of micro algae bait nutrient reinforcing agent. The microalgae bait nutrient reinforcing agent consists of several kinds of micro algae containing different nutritious components and has grain size of 5-20 microns. It contains great amount of DHA, ARA and natural astaxanthin, and can raise the immunity and survival rate of raised marine animal. It can meet the requirement of hatched fries of fishes, shrimps and shells in feed. For example, when the microalgae bait nutrient reinforcing agent is used in raising turbot, it can raise the survival rate and lower the albinism rate greatly.

The invention provides plant active peptide firming facial mask essence. The essence is prepared from the following components in percentage by weight: 5-20 percent of glycerinum, 0.02-0.06 percent of sodium hyaluronate, 0.01-0.1 percent of allantoin, 0.1-0.5 percent of xanthan gum, 0.1-5 percent of oligopeptide-1, 0.1-5 percent of oligopeptide-6, 0.1-5 percent of centella asiatica extract, 0.1-5 percent of scutellaria baicalensis extract, 0.1-5 percent of astaxanthin, 0.1-5 percent of gingko leaf extract, 0.1-5 percent of houttuynia cordata extract, 0.1-5 percent of licorice root extract, 0.1-5 percent of rhodiola rosea extract, 0.1-5 percent of watermelon pulp extract, 0.1-2 percent of leuconostoc/radish root ferment filtrate and the balance of purified water. The plant active peptide firming facial mask essence has the effect of firming skin and smoothing skin fine lines in a comprehensive regulating manner.

A method used for synthesizing intermediates for use in the synthesis of carotenoids and carotenoid analogs, and/or carotenoid derivatives. In some embodiments, the invention includes methods for synthesizing optically active intermediates useful for the synthesis of optically active carotenoids. Synthesis of optically active carotenoids, in one embodiment, may be accomplished by forming an optically active dihydroxy ketone intermediate from ketoisopherone. The optically active dihydroxy ketone intermediate may be converted into optically active astaxanthin derivatives.

The invention provides a preparation method of a high-stability astaxanthin ester self-microemulsion. The high-stability astaxanthin ester self-microemulsion is prepared by mixing astaxanthin ester, carrier oil, a stabilizing agent, an emulsifying agent, an auxiliary emulsifying agent with a water phase under special process conditions according to a certain proportion, and then, distilling at low pressure to remove a solvent. The astaxanthin ester self-microemulsion prepared by the invention can be self-microemulsified in a water-phase medium to form transparent microemulsion, the particle diameter of which is within 100 nm; the solubility of astaxanthin ester in water is increased; simultaneously, the storage stability of astaxanthin ester is obviously increased; the two problems of being water-fast and low in stability of astaxanthin ester are solved; and thus, astaxanthin ester is possibly applied in water-phase foods, drugs and daily chemical products.

The invention relates to an astaxanthin-containing bacterial cellulose membrane product. The unique astaxanthin-containing bacterial cellulose membrane product is obtained by uniformly dispersing astaxanthin into a fine mesh-shaped structure of bacterial cellulose. The disadvantage that the astaxanthin cannot be stored for a long time under general preservation conditions is overcome; and meanwhile, a good beauty and skin care product with anti-aging and whitening functions is also provided for consumers. The astaxanthin in the bacterial cellulose membrane product has stable properties, the structure of the astaxanthin cannot be damaged, and the astaxanthin can be slowly and durably released to the applied skin when the product is used, and achieve good effects of resisting senility, oxidization and wrinkles, whitening and protecting sunshine. Meanwhile, the membrane product also has good water supplement and moisturizing effects due to high water retention performance of the bacterial cellulose.

The invention discloses aquarium fish feed. The aquarium fish feed is prepared from the following components in parts by weight: 25-45 parts of fish meal, 10-30 parts of flour, 10-45 parts of bean pulp, 5-25 parts of rapeseed meal, 1-3 parts of fish oil, 0.1-10 parts of spirulina, 0.1-3 parts of monocalcium phosphate, 1-3 parts of a fish adhesive, 0.1-5 parts of beer yeast, 0.2-1 part of multi-vitamin, 0.2-1 part of mineral substances and 0.01-1 part of astaxanthin. The aquarium fish feed has the effects of prompting the growth and the development of fishes, improving the immunity of fishes and achieving the purposes of long-term burnishing and long-term color retaining; the aquarium fish feed is convenient to use and can be preserved for a long time and transported in a long distance after being dried and packaged; and the aquarium fish feed is an aquarium fish feed which is free of residue and pollution and is safe, reliable, green and environment-friendly.

The present invention discloses a special penaeus orientalis functional biological feed in the thickness marking period and the functional biological feed consists of the following components: import fish meal, shrimp meal, fermented peanut meal, fermented soybean meal, yeast lysates, cuttlefish powder, high gluten flour, calcium dihydrogen phosphate, soybean lecithin, fish oil, vitamin-mineral premixes, probiotics and functional additives; wherein the probiotics consist of Bacillus subtilis subsp., Candida utilis yeast and Bifidobacterium longum; the functional additives are made of natural astaxanthin, linolenic acid, fermented chlorella and fermented spirulina. The functional biological feed aims at the physical characteristics of high density, high nutrition and fast growth of penaeus orientalis seedlings in the thickness marking period, uses high-quality animal protein, contains high levels of unsaturated fatty acids and bio-fermentation raw materials, is rich in lecithin, has a reasonable balance ratio of calcium and phosphorus, and fortified vitamin nutrition, adds immunoenhancers, living beneficial bacteria and digestive enzymes, promotes the rapid growth, enhances disease resistance and improves survival rate of penaeus orientalis seedlings which have strong body constitution and tidy specifications, and lay a solid foundation for subsequent successful breeding.

The invention relates to a preparation method of a highly-stable and cold water-soluble natural astaxanthin microcapsule preparation. The method concretely comprises the following steps: uniformly mixing astaxanthin oil, an oil-soluble antioxidant and a water-soluble emulsifier under a heating condition to prepare an oil phase; adding a wall material, a water-soluble antioxidant and a filler to purified water, stirring and dissolving above added materials, and adjusting the pH value of the obtained solution to prepare a water phase; and adding the oil phase to the water phase, uniformly stirring the water phase and the oil phase, grinding the obtained mixture through a sand mill, and carrying out one-step granulation on the obtained emulsion through a cold spraying-starch fluidized bed drying technology to obtain the microcapsule preparation with the particle size of 40-100 meshes. The content reservation rate of the microcapsule preparation disposed at 40DEG C under RH of 75% for 6 months is greater than 95%, and 0.1g of the microcapsule preparation is dissolved in 100ml of water to form a clear, transparent and floating oil-free solution, so the microcapsule preparation can be applied in beverages and other aqueous foods.

The invention relates to a high-calcium compound shrimp cake and a producing method thereof. The high-calcium compound shrimp cake is prepared through carrying out low-temperature chopping and uniform stirring on an all-acete chinensis paste which is prepared through a high-precision waterproof pulverization technology and proportional minced fillet, chicken breast fillet, salt, vital gluten, diced fatty meat, potato starch, monosodium glutamate, disodium 5'-ribonucleotide, sugar, a water retention agent and a quality improver so as to obtain a cake core material, preparing the cake core material into a circular or elliptic shape through a forming machine, wrapping a layer of bread powder on the outside surface of the cake core, and after the shape of the obtained shrimp cake is finalized by quick-freezing, deep-frying the shrimp cake until the appearance of the shrimp cake is golden, so that the shrimp cake is obtained. The shrimp cake prepared by the producing method is golden in appearance, and fresh, tender and slightly crisp in taste, both has the delicate flavors of shrimps, and preserves various beneficial elements such as rich Ca, P, chitin and astaxanthin in shrimp shells, so that the shrimp cake accords with the demands of people on food nutrition, health, taste, and the like.

The invention discloses a method of extracting Euphausia superba oil by using supercritical carbon dioxide. The method is as follows: freeze drying or heat drying is carried out on Euphausia superba, anhydrous ethanol is sprinkled after Euphausia superba is crushed and ground, uniform stirring is carried out, and supercritical carbon dioxide extraction is carried out after Euphausia superba is immersed for 1 to 2 h; flow for supercritical carbon dioxide extraction comprises the steps of standing and infiltrating Euphausia superba, carrying out static extraction for 20 to 40 m, heating an obtained extract to a temperature of 40 to 50 DEG C and carrying out dynamic extraction for 1 to 2 h. Yield of the Euphausia superba oil is 12 to 18%, and the obtained Euphausia superba oil mainly comprises, by weight, 37 to 43% of phosphatide, 13 to 18% of EPA (eicosapntemacnioc acid), 8 to 12% of DHA (docosahexaenoic acid) and 0.12 to 0.13% of astaxanthin. The method has the advantages of simple flow, stable quality, no harmful influence on environment in the process of extraction, safety and utility.

A process for preparing astaxanthin includes such steps as preparing special culture medium, loading it in reactor, inoculating algae including Haematococcacea able to generate astaxanthin and yeast in it, culturing and fermenting. Its advantages are low cost, and high conversion rate of saccharide, biomass and output of astaxanthin.

A composition for modulating cytokines to regulate an inflammatory or immunomodulatory response. The composition can include at least one of rosehips, blueberry, blackberry, elderberry, cranberry, rosemary, clove, feverfew, nettle root, artichoke, reishi mushroom, olive extract, green tea extract, grape seed extract, resveratrol, Aframomum melegueta, boswellia serrata extract, boswellia forte, ipriflavone, tocotrienols, evening primrose oil, INM-176, borage oil, krill oil, at least one type of xanthophyll (e.g., astaxanthin), green coffee extract and ferulic acid. Specifically, a composition of the invention can include: rosehips and at least one of blackberry, blueberry, elderberry, and optionally krill oil; or rosehips, resveratrol and at least one of Aframomum melegueta and astaxanthin. Based on the cytokine modulation and cytokine response inhibition of the composition, it can be used to regulate an immunomodulatory and/or inflammatory response, and subsequently treat diseases and/or abnormal conditions associated with inflammatory response, for example, cardiovascular conditions, arthritis, osteoporosis and Alzheimer's disease.

The invention relates to a feed additive prepared through mixed fermentation of plant feed protein and the processing waste liquid of chitin and a processing method, which pertains to the field of fermentation engineering. The feed additive takes the plant feed protein and the processing waste liquid of chitin as raw materials, is prepared through adding strains and solid fermentation, and is rich in a plurality of functional components such as astaxanthin, small peptide and probiotics. The feed additive and the processing method can improve the utilization ratio of protein, growth effect of animals as well as survival rate and significantly decrease feed cost; simultaneously, the feed additive and the processing method can also greatly reduce the cost of treating the processing waste liquid of chitin, are conducive to the environmental protection, energy conservation and efficiency increase and have significant social and economical benefits.

The invention relates to a method for simultaneously extracting high-phospholipid-content krill oil and high-astaxanthin-content krill oil. The method comprises the following steps: carrying out countercurrent ultrasonic extraction on Antarctic krill meal by adopting a mixed solvent; finally, carrying out three-grade filtering and filtering krill residues to obtain filtrate, namely an extracting solution; decompressing and evaporating the extracting solution; removing an organic solvent in the extracting solution to obtain crude oil; adding an ethanol solution with the volume which is equal to that of the crude oil and has the mass concentration of 45 percent to 75 percent into the crude oil; standing and layering for 2h to 4h; collecting supernatant and subnatant respectively; decompressing and evaporating respectively to obtain the high-phospholipid-content krill oil and the high-astaxanthin-content krill oil respectively. According to the method provided by the invention, the krill oil is extracted by adopting a mixed solvent of n-hexane and ethanol, so that the dissolution rate and dissolution efficiency of the krill oil are greatly improved; the three-grade filtering and precipitation of the 45 percent to 75 percent ethanol solution are combined and the obtained krill oil has high purity; two products including the high-phospholipid-content krill oil and the high-astaxanthin-content krill oil can be obtained in one step; an extraction process is simple and the production cost is low.

The invention discloses a preparation method of an astaxanthin micro nanometer solid steady-state preparation capable of being dispersed through cold water. A natural astaxanthin extract is used as a raw material, through technologies of low-temperature treatment, low-energy self micro emulsification, microencapsulation, drying, granulation and embedding twice and the like, the astaxanthin micro nanometer solid steady-state preparation capable of being dispersed through cold water can be prepared. The prepared astaxanthin solid preparation powder disclosed by the invention is dried, good in flow property, and good in product processing and storing stability; and besides, the bioavailability of astaxanthin is significantly improved. The method is simple in preparation technology, mild in condition, and suitable for industrialized popularization and application. Through the adoption of the technique of the preparation method disclosed by the invention, the astaxanthin can be steadily applied in the field of aqueous-phase medium foods, solid medium foods, various premix food, daily chemical articles for use, medicines and the like, the application field of the astaxanthin is greatly widened, the pluralism of products is greatly widened, and the market potential is tremendous.

The invention relates to a method for preparing a multifunctional leaf fertilizer by using shrimp waste, which comprises the following steps: taking a large amount of fresh leftovers from the shrimp meat processing, hydrolyzing shrimp protein, cephaline, lecithin and chitin by using acid solution of a phosphor element needed by the leaf fertilizer; dissolving the calcium salt, magnesium salt, zinc salt, astaxanthin and the like in the shrimp shells by using alkaline solution of potassium element needed by the leaf fertilizer; and mixing the alkaline solution and the acid solution filtered out by the treatment of the two steps to obtain nutrient solution containing polypeptides, amino acids, phospholipids, chitosan, organic nitrogen, phosphor, potassium, calcium, magnesium, zinc, antifungal ingredients and the like, which can be absorbed and used by plants; and adjusting the pH value of the mixed solution rich in plant nutrients to 5 to 8 by using the alkaline solution of potassium or the acid solution of phosphor to obtain the multifunctional leaf fertilizer. The preparation method is simple in process, high in operability, high in added value, and environmentally-friendly and clean in production.

The invention discloses a method for producing krill oil, protein peptide powder and chitosan by full utilization of Antarctic krill powder. The method comprises the following steps: 1. extraction of krill oil: extracting the Antarctic krill powder by adopting an organic solvent, and carrying out low-temperature decompression desolvation, extraction and concentration on the extracting solution, wherein the contents of obtained krill oil phospholipid and astaxanthin are high; 2. preparation of protein peptide powder: carrying out compound enzymolysis on degreased shrimp meal to obtain an enzymolysis solution, and refining and then spray-drying the enzymolysis solution to obtain the protein peptide powder, wherein the peptide content of the obtained protein peptide powder is greater than or equal to 85%; and 3. preparation of chitosan: decalcifying the shrimp shell meal which is degreased by the organic solvent and is subjected to deproteinization by enzymolysis by adopting microorganism fermentation, further carrying out deproteinization, carrying out oxidative decoloration, and carrying out deacetylation to obtain chitosan and byproduct organic calcium. The method really realizes high-valued full utilization of the Antarctic krill powder, can be used for extracting nutritional ingredients in the Antarctic krill powder to the maximum extent so as to improve the resource utilization ratio, can avoid generation of waste residues, and can ensure the benefit maximization of an enterprise.

The invention belongs to the field of microalgae biotechnologies, and particularly relates to a method for synthesizing astaxanthin by inducing chlorella vulgaris by using plant hormones and iron ions. The method specifically comprises the steps of: activating and culturing the chlorella vulgaris in a liquid culture medium to obtain a synchronously growing chlorella vulgaris solution for later use; and taking the chlorella vulgaris solution growing to an exponential growth phase, adding the plant hormones and the iron ions in the chlorella vulgaris solution, replenishing a carbon source and a nitrogen source for culturing, ending the culturing until the accumulation of the astaxanthin in chlorella vulgaris cells is maximum (the accumulation of the astaxanthin is determined by adopting a liquid chromatography during sampling), and harvesting cell disruption and extracting the astaxanthin. The method is simple and easy to operate and low in cost, and is capable of remarkably increasing the yield of the astaxanthin, thereby greatly increasing the efficiency of producing the astaxanthin by the chlorella vulgaris.

The invention discloses a transgenic breeding method producing astaxanthin in crop seed endosperm. The transgenic breeding method specifically includes the steps of S1, optimizing the sequence of a PSY gene, a CrtI gene, a BHY gene and a BKT gene according to the codon preference of a breeding crop, and respectively fusing the four genes with the optimized sequences with breeding crop endosperm expression promoters and transit peptides to build gene expression boxes; S2, building the four gene expression boxes obtained in the S1 into plant transformation vectors to obtain the plant transformation vectors of the PSY, the CrtI, the BHY and the BKT; S3, using the plant transformation vectors obtained in the S2 to transform the breeding crop to obtain a transgenic crop with the salmon-colored endosperm and synthesized astaxanthin. The transgenic breeding method has the advantages that the astaxanthin can be synthesized in the seed astaxanthin of crops (especially paddy rice), the crops can be directly used for eating and also be used as the raw materials for producing the astaxanthin, and the method has important guiding significance and production application value to the novel functional crop breeding.

Compositions and methods for administering to the diet of humans a composition for inducing rapid weight loss, controlling appetite, managing stress and supporting mental well-being, supporting relaxation, and combating fatigue. A diet supplement comprising Calcium and Potassium double salt of Garcinia Cambogia Extract supplying 60% Hydroxycitric Acid, Gymnema Sylvestre Leaf Extract, Rhodiola Rosea Root Extract, Theanine, Astaxanthin Algae Extract, Chromium Polynicotinate, Hoodia Gordonii, N-olyl-phosphatidyl ethanolamine (NOPE)/EGCG blend, Vinpocetine, Russian Tarragon Extract, N-acetyl tyrosine, and Withania Somnifera Root Extract is provided. Said diet supplement is comprised of at least Hoodia Gordonii wherein the extract does not contain any extract from the root of the plant.

The invention relates to methods for extracting high-quality shrimp oil from Antarctic krill and for preparing defatted krill protein powder. The methods comprise steps that: an Antarctic krill raw material is pretreated; the pretreated raw material is cooked; the cooked raw material is dehydrated by pressing; the dehydrated raw material is crushed and beaten, such that a cream is obtained; an organic solvent is added to the obtained cream, and shrimp oil lixiviation is carried out with a homogenization technology; shrimp oil is repeatedly lixiviated; obtained lixiviation liquids are combined; the mixed liquid is subject to a cold preservation treatment, and is filtered; an obtained filtrate is subject to vacuum evaporation, such that the filtrate is precipitated and dehydrated, and refined shrimp oil is obtained. According to the invention, water content in Antarctic krill is reduced by using a pressing technology which is used for replacing a heating drying technology, such that an energy-saving effect is substantial. With the beating crushing technology and the homogenization extraction technology, the lixiviation efficiency is substantially improved. Therefore, a low-temperature normal-pressure high-efficiency fresh krill wet lixiviation technology is realized, and the shrimp oil with high astaxanthin content can be obtained. The cream obtained by lixiviation by using the organic solvent is dried by heating, such that defatted krill protein powder with water content lower than 10% is obtained, and the solvent is recycled. The method provided by the invention has feasibility for industrialized implementations.

The invention relates to a coordinated process extraction method of biological active substances in crayfish by-products, belonging to the field of a biological active substance extraction method. The coordinated process extraction method comprises the following steps of: sequentially carrying out enzymolysis treatment on crushed crayfish shells and crayfish heads which are obtained by boiling through water and removing crayfish meat, and taken as raw materials; spraying and drying a filtered solution to obtain hydrolyzed protein powder; carrying out organic acid leaching treatment on a filtered solid, and spraying and drying the filtered solution to obtain organic calcium; adding the filtered solid into ethanol to be treated; carrying out rotary evaporation on the filtered solution to obtain an astaxanthin rough product; and finally, carrying out hydrogen peroxide immersion de-coloring treatment on the filtered solid to obtain de-colored chitin. According to the coordinated process extraction method disclosed by the invention, the crushed crayfish shells and crayfish heads, which are obtained by boiling through the water and removing the crayfish meat, are taken as the raw materials, and a scientific and simple process route is utilized for sequentially obtaining the food-grade standard hydrolyzed protein powder, organic calcium, astaxanthin and chitin products; a production period is shortened, the production efficiency is improved and a product additional value is obviously improved; and a production process is clean production, wastewater emission is reduced and the coordinated process extraction method is good for environmental protection.