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172 results about "Fucoxanthin" patented technology
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Fucoxanthin is a xanthophyll, with formula C₄₂H₅₈O₆. It is found as an accessory pigment in the chloroplasts of brown algae and most other heterokonts, giving them a brown or olive-green color. Fucoxanthin absorbs light primarily in the blue-green to yellow-green part of the visible spectrum, peaking at around 510-525 nm by various estimates and absorbing significantly in the range of 450 to 540 nm.
Composition for treating obesity and method of using the same
ActiveUS20080206275A1Reduce high blood pressureIncreasing energy expenditure rateBiocideMetabolism disorderFucoxanthinPOMEGRANATE SEED OIL
The present invention provides a composition for a medicinal or health effect of a treatment of liver fat and body fat, a reduction of blood pressure, an increase of the energy expenditure rate, a reduction of inflammatory C-reactive proteins and a reduction of plasma aminotransferase enzymes, comprising an effective amount of fucoxanthin alone or in combination with pomegranate seed oil, a pharmaceutically acceptable salt, a prodrug thereof, or a salt of the prodrug; and a method of using the same. The fucoxanthin may be used in pure form, or as a component of a brown marine vegetable extract.
Owner:NEKTIUM PHARMA SL
Method for extracting fucoxanthin from brown algae
The invention relates to a method for extracting fucoxanthin from brown algae, which is characterized by comprising the following steps: pulping fresh brown algae, adding an organic reagent into the brown algae, and then adding 0.05 to 0.1 mass permillage of antioxidant into the brown algae; leaching the mixture for 22 to 26 hours, and performing suction filtration to obtain leaching solution; leaching the mixture repeatedly until an organic layer is colorless; combining the organic layer liquid of each time into a dark brown bottle; performing rotary evaporation on the organic layer liquid to remove an organic solvent; adding ethyl acetate and water according to a volume ratio of 1:1-2 into an adherence material obtained in a rotary evaporation utensil, oscillating the mixture for layering after dissolving the adherence material, collecting the organic layer, and repeating the operations for 3 to 6 times; combining each organic layer liquid and then performing rotary evaporation and concentration to obtain a total pigment of the brown algae; and separating and purifying the total pigment by using silica gel column chromatography to obtain the high-purity fucoxanthin. The fucoxanthin prepared by the method has high purity, and the method has simple and practical operation, is convenient for industrial production, and provides a basic condition for further development of correlative industrial products and medicines and health care products aiming at the market vacancy of the high-purity fucoxanthin at home and abroad.
Owner:OCEAN UNIV OF CHINA
Process of separating fucoxanthin from algae
The present invention relates to the extraction and separation of fucoxanthin, and is especially the process of separating fucoxanthin from algae. The process of separating fucoxanthin from algae includes the following steps: cleaning fresh algae or defrozen algae to eliminate surface salt ion, eliminating surface water, leaching algae with dimethyl sulfoxide in 2-6 ml for each gram of algae in dark for 15-60 min, and final extracting coloring matter from dimethyl sulfoxide leached liquid with the mixture solution of ethyl acetate and ammonium sulfate. The present invention has the advantages of simple operation, high separation speed and high yield, and is suitable for industrial production.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI
Method for extracting high-purity fucoxanthin from seaweeds
The invention discloses a method for extracting high-purity fucoxanthin from seaweeds. The method is characterized by comprising the following steps: cleaning the seaweeds by using the distilled water so as to remove saline ions on the surfaces of the seaweeds, and then removing moisture on the surfaces of the seaweeds; then adding an organic reagent to the seaweeds, digesting in the dark for 8-24 hours, and carrying out suction filtration so as to obtain a leaching liquid; repeatedly digesting the leaching liquid till the leaching liquid is colorless, and combining each leaching liquid into a brown bottle; finally carrying out rotary evaporation for a period of time till black green precipitates occur in a liquid, and filtering so as to remove pigment and impurities; and continuously carrying out rotary evaporation till red solids are separated out in the liquid, and filtering so as to obtain the red solids which are the high-purity fucoxanthin. The method has the advantages that the safely healthy high-purity fucoxanthin raw material is obtained for the first time under the condition that no chromatographic techniques are used for separation, and the preparation process is safe, harmfulless, economic and environment-friendly.
Owner:NINGBO UNIV
Method for preparing brown algae fucosan and fucoxanthin in enzymic way
ActiveCN103232552AAchieving co-preparationHigh purityOrganic chemistryFermentationPectinaseFucoxanthin
The invention provides a method for preparing algae fucosan and fucoxanthin in an enzymic way. The method specifically comprises the following steps of: preparing brown algae dry powder; processing the brown algae dry powder by enzymolysis: uniformly mixing the brown algae dry powder with a complex enzyme preparation, then adding deionized water to perform enzymolysis; performing acid treatment; acquiring concentrated liquor; and acquiring fucosan: acquiring crude fucoxanthin, and then acquiring pure fucoxanthin. The complex enzyme is composed of pectinase, hemicellulase and cellulose. The brown algae fucosan and the fucoxanthin prepared by the method are high in yield. The method is simple in operation, environment-friendly, efficient, and suitable for being used for synchronously extracting high-purity fucosan and fucoxanthin from brown algae with massive operation.
Owner:福建九为生物技术有限公司
Method for extracting fucoxanthin from brown algae
The invention relates to a method for extracting fucoxanthin from brown algae. The method comprises the following steps of: performing water swelling pretreatment on the crushed brown algae, and leaching the brown algae by using a water-soluble organic solvent; purifying fucoxanthin in leaching solution by adopting an extraction method and twice column chromatography in turn; and finally, further purifying to obtain a fucoxanthin standard substance with the purity of over 90 percent or over 99 percent through preparative thin-layer chromatography or preparative high performance liquid chromatography. The method for extracting the fucoxanthin has the advantages of simple, economic and efficient technology, and capacity of providing an experimental basis for industrial production of the fucoxanthin and improvement of industrial utilization rate of the algae.
Owner:秦皇岛惠恩生物技术有限公司
Process for production of fucoxanthin, and microalga for use in the process
Disclosed are: a process for producing fucoxanthin alone or fucoxanthin together with a highly unsaturated fatty acid efficiently, which enables the mass production of fucoxanthin; and a microalga for use in the process. Specifically disclosed are: a process for producing fucoxanthin alone or fucoxanthin together with a highly unsaturated fatty acid, which is characterized by culturing a microalga, more specifically a microalga belonging to the class Pinguiophyceae, Chrysophyceae, Bacillariophyceae or Haptophyceae, and extracting / isolating fucoxanthin alone or fucoxanthin together with the highly unsaturated fatty acid from the cultured microalga; and a microalga for use in the production of each of the above-mentioned fucoxanthin components.
Owner:NIPPON SUISAN KAISHA LTD +1
Method for comprehensively extracting fucoxanthin and brown alga polyphenol from gulfweed
ActiveCN105037300AEasy to operateLow costOrganic chemistryColor/spectral properties measurementsFreeze thawingFucoxanthin
Owner:NINGBO UNIV
Method for extracting and purifying fucoxanthin from brown alga
The invention relates to a method for extracting and purifying fucoxanthin from brown alga, which comprises the steps of primary extraction sample preparation, methanol dissolution, column chromatography separation and HPLC (high performance liquid chromatography) purification. The invention provides a fucoxanthin preparation scheme which has the advantages of high safety, low toxicity, high economy and environmental protection. The invention adopts kieselguhr as a column filler to separate the fucoxanthin for the first time. The kieselguhr has the characteristics of low price and environmental protection. Meanwhile, edible petroleum ether is utilized for separation, thereby lowering the residues of toxic substances in the final product. After the kieselguhr is separated, the fucoxanthin health product raw material which is cheap, safe and healthy can be obtained. The fucoxanthin is separated and purified by HPLC to obtain the chromatographically pure fucoxanthin. The invention provides the safe low-toxicity separation technique for satisfying the high-purity fucoxanthin market at home and abroad, greatly enhances the added value of the brown alga aquatic products, and thus, has important economic value.
Owner:THE FIRST INST OF OCEANOGRAPHY SOA +2
Culture method for increasing yield of fucoxanthin contained in diatom
ActiveCN103396979AIncrease productivityIncrease contentElectrical/wave energy microorganism treatmentElectrical/wave energy enzyme treatmentFucoxanthinCulture vessel
The invention provides a culture method for increasing the yield of fucoxanthin contained in diatom. The culture method comprises the following steps of: (1) heterotrophically culturing activated diatom for 3-8 days so that the diatom is in a logarithmic growth period; (2) inoculating a diatom culture solution obtained from the step (1) in the logarithmic growth period as a seed solution into a heterotrophic culture vessel which contains a heterotrophic culture medium (culture medium I) according to 5%-50% volume of inoculation amount to carry out heterotrophic culture for 4-12 days at the temperature of 20-34 DEG C, wherein tomato extractives are added to the heterotrophic culture medium (culture medium I) obtained from the step (2). The culture method provided by the invention can enhance the biomass concentration of the diatom and increase the fucoxanthin content of a stable diatom body, thereby increasing the yield of the fucoxanthin contained in the diatom.
Owner:SOUTH CHINA UNIV OF TECH
Method for extracting and separating fucoxanthin from marine unicellular diatom
The invention relates to extraction and separation of fucoxanthin, and in particular to a method for extracting and separating fucoxanthin from marine unicellular diatom. A fat-soluble extract is added into and mixed with the marine unicellular diatom mud, the mixture is extracted under the conditions of low temperature, darkness and no oxidation for 2-10 min, supernatant extract is collected by centrifugation, the precipitate is repeatedly extracted again by an extract, and the supernatants are merged and separated by liquid chromatography, so as to obtain high-purity fucoxanthin, wherein the usage amount of the extract is 4-6ml for per gram of algae mud. The invention has the advantages of simple operation, fast separation and high yield of fucoxanthin, lays the foundation for the factory production, and ultimately can be used for large-scale industrialized production.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI
Preparation method of fucoxanthin
The invention discloses a preparation method of fucoxanthin and relates to the fucoxanthin. The preparation method of the fucoxanthin comprises the steps that a cleaned brown algae material is aired, and soaked by an organic solvent for extraction; an obtained extracting solution is condensed, and a fucoxanthin crude extract is obtained; the fucoxanthin crude extract is subjected to column chromatography separation; a fraction of the fucoxanthin is collected and condensed, and a fucoxanthin raw material is obtained; the obtained fucoxanthin raw material is dissolved by the organic solvent and transferred to a sample introduction bottle of a semipreparative / preparative HPLC (high performance liquid chromatograph); the semipreparative / preparative HPLC is started for separation and purification; fucoxanthin purification liquid is collected automatically through ultraviolet on-line detection or by a fraction collector triggered by a mass spectrum signal; and after the collected fucoxanthin purification liquid is decompressed, condensed, frozen and dried, the high-purity fucoxanthin is obtained. Through testing, the purity of the prepared fucoxanthin is greater than 99%.
Owner:THIRD INST OF OCEANOGRAPHY STATE OCEANIC ADMINISTATION
Preparation of carotenoid derivatives and their applications
InactiveUS20120220580A1Improve bioavailabilityImprove lipophilicityBiocideOrganic chemistryFucoxanthinStereochemistry
Compounds having the structure of general formula I or pharmaceutically acceptable salts thereof which are derivatives of fucoxanthin and fucoxanthol are disclosed. A preparation method of the compound and its use in weight reducing are also disclosed.
Owner:BEIJING GINGKO GRP BIOLOGICAL TECH CO LTD
Method for extracting and purifying fucoxanthin
The invention discloses a method for extracting and purifying fucoxanthin. According to the method, a microwave assisted extraction technology is utilized, and ethanol serves as a solvent, so that fucoxanthin in brown seaweed raw materials can be rapidly extracted; and a liquid-liquid extraction and column chromatography two-step separation process is adopted, so that the fucoxanthin can be effectively separated from chlorophyll and other impurity components. The fucoxanthin is low in toxicity, safe and environment-friendly, ethanol is taken as an extraction solvent, and the use amount of a toxic organic solvent is effectively reduced; and moreover, a microwave extraction method is adopted, extraction can be finished within 5 minutes only, and the extraction time is greatly shortened. The method disclosed by the invention is simple, rapid and high-efficiency in the whole extraction and purification process, the operation is convenient, large-scale production is easily realized, and a foundation is laid for development and utilization of natural health food additives such as the fucoxanthin with extremely high values and biological drug resources.
Owner:WUHAN UNIV
Method for promoting accumulation of fucoxanthin and/or lipids in phaeodactylum tricornutum
InactiveCN105132352APromote growthIncreased lipid metabolismUnicellular algaeChemical cell growth stimulationFucoxanthinMicrobiology
The invention discloses a method for promoting accumulation of fucoxanthin and / or lipids in phaeodactylum tricornutum. The method is characterized by including the following steps: inoculating a seawater culture solution with a plurality of phaeodactylum tricornutum in a growing period according to the volume ratio of 10%, adding 2, 4-epibrassinolide into the seawater culture solution to enable the final concentration of the seawater culture solution to be 0.05-0.15mg / L, fully shaking a flask three times a day at the culture temperature of 20 DEG C under the conditions of illumination intensity being 5000lx and photoperiod being 12h / 12h, and culturing 10d of the phaeodactylum tricornutum, wherein the optimal concentration for fucoxanthin accumulation is 0.05mg / L, and the optimal concentration for lipid accumulation is 0.1mg / L. The method has the advantages that through addition of a certain amount of 2, 4-epibrassinolide in a culture medium, the accumulation speed of the fucoxanthin and / or the lipids in the phaeodactylum tricornutum can be increased effectively, and the content of the fucoxanthin and / or the lipids in the phaeodactylum tricornutum can be increased remarkably; the method is simple to operate and low in cost, and production cycle is short.
Owner:NINGBO UNIV
Pretreatment method of brown alga samples for fucoxanthin extraction
ActiveCN105001184AAvoid destructionAvoid decompositionOrganic chemistryFucoxanthinPretreatment method
The invention discloses a pretreatment method of brown alga samples for fucoaxanthin extraction. The pretreatment method is characterized by concretely including the steps that step1, the fresh brown algae are frozen for 1-30 days at the temperature of below 5 DEG C-80 DEG C and then taken out, air thawing is performed at room temperature until the center temperature of the brown algae reaches 0 DEG C-2 DEG C, and then the freeze thawing process is completed; the brown algae are placed into a centrifugal machine and centrifuged for 3-10 minutes at the rotation speed of 800 rpm-10000 rpm, and then water is removed; step2, the step1 is repeated 1-4 times, and a solvent extraction and precipitation method is adopted for preparing high-purity fucoxanthin from the brown algae after freeze thawing treatment is performed. The pretreatment method has the advantages that the fucoxanthin and other effective components in the brown algae can be effectively prevented from being damaged and decomposed, the difference between the water content of the surfaces of the brown alga samples and the water content inside the brown alga samples is small, inside and outside distribution is even, and the water content of the treated brown algae is 50-90%.
Owner:NINGBO UNIV
Use of marine algae for co-producing alkenones, alkenone derivatives, and co-products
ActiveUS20150140619A1Enhance the products derivedOrganic chemistryFatty acid esterificationFucoxanthinBiodiesel
A method comprising a series of selective extraction techniques for the parallel production of biodiesel and isolation of several valuable co-products including an alkenone hydrocarbon mixture of the kerosene / jet fuel range (primarily C10-, C12-, and C17-hydrocarbons) and fucoxanthin, a high-valued carotenoid, from the marine alkenone-producing microalgae Isochrysis.
Owner:WESTERN WASHINGTON UNIVERSITY +2
Preparation method of fucoxanthol
The invention relates to a preparation method of fucoxanthol. The preparation method comprises the following steps: under the situation of adding a catalyst, enzymolyzing fucoxanthin by adopting lipase, reacting, generating fucoxanthol, concentrating and drying, extracting through methanol and concentrating to obtain a crude fucoxanthol extract; enabling the crude fucoxanthol extract to be used as a solution medium in a form of a mobile phase, configuring into preparation liquid to be separated, transferring the preparation liquid to be separated into a semi-preparative / preparative efficient liquid phase chromatography sampling bottle and starting a semi-preparative / preparative efficient liquid phase chromatography, wherein the mobile phase is selected from one of a methanol-water solution, an ethanol-water solution or an acetonitrile-water solution; balancing a chromatographic column, automatically sampling, separating and purifying the fucoxanthol, triggering a fraction collector through ultraviolet on-line detection and in combination with mass spectrometry detection signals, automatically collecting fucoxanthol purification liquid, and decompressing, condensing, freezing and drying the purification liquid to obtain the fucoxanthol of which the purity is larger than 99 percent. The preparation method is simple in operation, high in yield, suitable for automatic control and preparation of the high-purity fucoxanthol.
Owner:THIRD INST OF OCEANOGRAPHY STATE OCEANIC ADMINISTATION
Method for producing fucoxanthin through light culture of nitzchia laevis
ActiveCN107119099AIncrease contentHigh yieldMicroorganism based processesFermentationMacrocystis pyriferaMicroorganism
The invention belongs to culture of microorganisms, in particular to a method for producing fucoxanthin through light culture of nitzchia laevis. The method comprises the following steps: preparing a seed solution; performing fermentation culture; extracting the fucoxanthin from fermentation liquor obtained after fermentation. By adopting the method, the problems of low biomass concentration, low fucoxanthin yield, low fucoxanthin content and the like of the nitzchia laevis under a phototrophic condition in the prior art are solved. Prepared nitzchia laevis dry powder has high fucoxanthin content and high fucoxanthin yield, the fucoxanthin produced by the method is safer than fucoxanthin derived from a large-sized seaweed source, the production efficiency is increased, the production cost is lowered, and meanwhile the pollution risk in a culturing process is lowered greatly.
Owner:PEKING UNIV
Preparation method of nonreactive aquatic product immunity enhancer
InactiveCN106177898AImprove immunityDoes not cause drug residueOrganic active ingredientsPeptide/protein ingredientsFucoxanthinAstaxanthin
The invention relates to the field of aquaculture and discloses a preparation method of a nonreactive aquatic product immunity enhancer. The preparation method comprises the following steps: (1) uniformly mixing 80 to 120 parts of aquatic product polypeptide, 40 to 60 parts of camellia seed meal modified extract, 10 to 30 parts of astaxanthin, 10 to 30 parts of fucoxanthin, 10 to 20 parts of pearl powder, 40 to 80 parts of seaweed extract and 300 to 500 parts of water to obtain a component A; (2) dissolving 20 to 30 parts of calcium chloride into 500 to 700 parts of water to obtain a component B; (3) dropwise adding the component A into the component B at the speed of 0.5mL / s to 1.5mL / s to produce solid sediment; filtering, taking the solid sediment and drying to obtain the nonreactive aquatic product immunity enhancer. The nonreactive aquatic product immunity enhancer provided by the invention is prepared from pure natural green raw materials and does not contain antibiotic drugs; the immunity of aquaculture animals can be effectively improved by the nonreactive aquatic product immunity enhancer, and the nonreactive aquatic product immunity enhancer does not cause pollution to the breeding environment and is green and environment-friendly.
Owner:舟山市瑞丰生物技术有限公司
Health-care food with function of reducing fat
ActiveCN102334688AStrong Antioxidant PropertiesGood anticancer effectFood preparationFucoxanthinSoftgel
The invention relates to a health-care food containing natural fucoxanthin, which is a soft capsule. Moreover, an obesity preventing model method is adopted, and the fucoxanthin is used as a functional factor for carrying out a fat reducing experiment on a rat. By the display of data analysis, the weight and the perinephric spermary fat weight of the rat fed with the fucoxanthin are obviously lowered in comparison with those of a model set. Furthermore, the fat cell area is obviously reduced in comparison with that of the model set and a blank set. The result shows that the fucoxanthin has a very good fat reducing effect, and a favorable basis is provided to the application of substances containing the fucoxanthin in the field of health-care foods.
Owner:秦皇岛惠恩生物技术有限公司
Preparation technology of high purity fucoxanthin
The present invention relates to a technology for extracting high purity fucoxanthin from algae. The technology comprises steps of pretreatment of algae, solvent extraction of the fucoxanthin, and purification of the fucoxanthin. The technology of the invention solves the problems of low product purity and solvent residues of the extracted fucoxanthin in the prior art. Because it is easy to get raw materials employed in the technology of the invention, the extracted solvent is recoverable, the extraction yield is high, purification materials can be re-used, and the extraction and purification processes are simple, the technology of the invention has low cost and high efficiency and lays the foundation for the industrial production of fucoxanthin related products.
Owner:OCEAN UNIV OF CHINA
Fucoxanthin microcapsule powder and preparation method thereof
InactiveCN106692107AMaintain performanceMaintain biological activityOrganic active ingredientsAntipyreticFucoxanthinAntioxidant
The invention discloses a fucoxanthin microcapsule powder and a preparation method thereof. The fucoxanthin microcapsule powder comprises water and non-water raw materials, wherein the mass of the water is 0.1-9 times of the total mass of the non-water raw materials; the non-water raw materials comprise the following components in percentage by weight: 0.1-10% of fucoxanthin, 0.5-90% of wall materials, 30-60% of an oil phase, 0.001-99% of a filling agent, 0.001-5% of an anticaking agent, 0.001-5% of edible essence, 0.001-5% of an aqueous phase antioxidant, 0.001-5% of an aqueous phase stabilizing agent and 0.001-5% of an oil phase emulsifying agent. The fucoxanthin microcapsule powder disclosed by the invention is high in fluidity and high in stability; after the fucoxanthin microcapsule powder melts in water, the fucoxanthin microcapsule powder can be stably stored for a long term, and the phenomena that oil floats, precipitate is generated, and the fucoxanthin microcapsule powder is stuck to bottles cannot appear. In the production process of the fucoxanthin microcapsule powder disclosed by the invention, waste water, waste residues and waste gas are not produced, the production technology is environment-friendly, and the fucoxanthin microcapsule powder is suitable for industrialized popularization.
Owner:YUNNAN AIERKANG BIOTECH
New application of fucoxanthin to preparation of medicine for treating alzheimer disease
InactiveCN105412062AImprove securityEasy to purifyOrganic active ingredientsNervous disorderFucoxanthinDisease
The invention discloses new application of fucoxanthin to preparation of medicine for treating the alzheimer disease. The application is characterized in that fucoxanthin is used in the aspect of preparation of the medicine for treating the alzheimer disease, particularly in the aspect of preparation of medicine inhibiting acetylcholin esterase and the aspect of preparation of medicine inhibiting Abeta fibrosis. The application has the advantage that fucoxanthin has the inhibition function on acetylcholin esterase and Abeta fibrosis.
Owner:NINGBO UNIV
Preparation of fat substitution and its application in meatballs
The invention relates to the technical field of food processing and discloses composition of a fat substitution and its application in meatballs. The fat substitutionis prepared from sodium alginate serving as a base material, calcium sulfate dihydrate, gluconic acid-delta-lactone, propylene glycol alginate, maltodextrin, fucoidan and fucoxanthin, wherein the sodium alginate, the calcium sulfate dihydrate and the gluconic acid-delta-lactone can form a gel substance, the propylene glycol alginate and the maltodextrin are used as a compound to be synergistic with a thickening stabilizer in use,and the fucoidan and the fucoxanthin serve as special health-carenutrient substances. By stirring the sodium alginate, the calcium sulphate dihydrate, the gluconic acid-delta-lactone, the propylene glycol alginate, the maltodextrin, the fucoidan and fucoxanthinwith water and a lipid material to form a mixture, and placement is executed so as to process a solid fatsimulant similar to fat. The product has the physical properties similar to natural fat, the used auxiliary materials have the health-care function characteristics of lowering blood sugar, lowering blood fat, losing weight and the like and can be applied to meatballs to serve as a fat substitution. The fat content in the meatballs is reduced,the health hazard caused by its excessive calorie is reduced, and it is showed through itssensory evaluationthat themeat pellets using the fat substitution are not significantly different from the meat pellets containing non-substituted fat.
Owner:SHANDONG JIEJING GROUP CORP
Method for extracting fucoidan and fucoxanthin from kelp
ActiveCN104448027AAchieving Simultaneous ExtractionPlay a protective effectOrganic chemistryFucoxanthinFiltration
The invention relates to a method for extracting fucoidan and fucoxanthin from kelp. The method solves the technical problems that an existing method for extracting the fucoidan and the fucoxanthine from the kelp is long in extraction time, high in cost, serious in environment pollution and low in product yield. The method comprises the steps that the kelp is cleaned, smashed and put into an extraction tank together with a certain proportion of water, extraction is conducted at high temperature and under high pressure, hot filtration, cooling and sedimentation are conducted on an extraction solution, sediment is the fucoxanthin, and the fucoxanthin product is obtained after the drying process; then ultrafiltration concentration is conducted on supernatant liquid, filtrate is collected, trichloroacetic acid is added into the filtrate to remove protein, centrifugation is conducted, an ethanol solution is added into the supernatant liquid for fractional precipitation, sediment is collected, and the fucoidan is obtained after the vacuum drying process. The method can be used for extracting the fucoidan and the fucoxanthin from the kelp.
Owner:WEIHAI RENSHENG PHARMA GRP
Fucoxanthin-containing composition and method for producing same
InactiveCN104936588AGood storage stabilityImprove stabilityOrganic active ingredientsAntipyreticFucoxanthinSucrose
A fucoxanthin-containing composition containing: (A) fucoxanthin; (B) one or more emulsifiers selected from the group consisting of a glycerin fatty-acid ester, a polyglycerin fatty-acid ester, a sucrose fatty-acid ester, and lecithin; and (C) one or more excipients selected from the group consisting of cyclodextrin and a gum. A method for producing a fucoxanthin-containing composition, having: a step for mixing (A) fucoxanthin, (B) one or more emulsifiers selected from the group consisting of a glycerin fatty-acid ester, a polyglycerin fatty-acid ester, a sucrose fatty-acid ester, and lecithin, and (C) one or more excipients selected from the group consisting of cyclodextrin and a gum; and a step for drying the obtained composition.
Owner:KYOWA HAKKO BIO CO LTD
Functional food with effects of protecting liver and improving eyesight
ActiveCN105996027AGood synergistic effectFunction increaseSenses disorderDigestive systemFucoxanthinVitamin C
The invention discloses functional food with the effects of protecting the liver and improving eyesight. The functional food is made from 40-60 parts by weight of alga polyphenol, 30-50 parts by weight of fucoxanthin, 10-20 parts by weight of astaxanthin, 10-20 parts by weight of taurine, 0.1-1 part by weight of vitamin C and 0.1-1 part by weight of vitamin E through the process of blending, sterilizing, pelletizing, tabletting and packaging. The functional food can be made into capsules or tablets or instant powder or oral liquid or drink, and has the remarkable effects of regulating liver lipid metabolism and improving eyesight.
Owner:湖南百年医方大药房有限公司
Method for producing fucoxanthin by heterotrophic culture of smooth nitzschia
InactiveCN107099564AIncrease contentHigh yieldUnicellular algaeMicroorganism based processesMacrocystis pyriferaFucoxanthin
The invention belongs to culture of microorganisms, and particularly relates to a method for producing fucoxanthin by heterotrophic culture of smooth nitzschia. The method comprises the following steps: preparation of a seed solution, fermental cultivation, extraction of the fucoxanthin from fermentation liquor after fermentation is finished and the like. The problem that the biomass concentration of the smooth nitzschia, the yield of the fucoxanthin and the content of the fucoxanthin are low under the condition of heterotrophic culture in the prior art is solved. The method has the advantages that the content of fucoxanthin in prepared dry smooth nitzschia powder is high, the yield of the fucoxanthin is high, the fucoxanthin is safer than fucoxanthin from large seaweeds, and while the production efficiency is improved and the production cost is reduced, pollution risks in a culture process is greatly reduced.
Owner:PEKING UNIV
Sorghum prolamin-fucoidin compound for co-delivery of fucoxanthin and quercetin
ActiveCN112891549AImprove securityGood biocompatibilityOrganic active ingredientsAntipyreticBiotechnologyFucoxanthin
The invention belongs to the field of foods, and particularly relates to a sorghum prolamin-fucoidin nano compound for co-delivery of fucoxanthin and quercetin. According to the sorghum prolamin-fucoidin nano compound for co-delivery of the fucoxanthin and the quercetin, the mass ratio of sorghum prolamin to fucoidin is 2: 1, the mass ratio of the sorghum prolamin to the fucoxanthin is 10: 1, and the mass ratio of the sorghum prolamin to the quercetin is 10: 1. The preparation method disclosed by the invention is simple and low in production cost, non-toxic or low-toxicity raw materials are selected, and prepared nano drug-loaded particles are high in safety and good in biocompatibility; the prepared nano drug-loaded particles are relatively small in particle size and relatively good in uniformity, and are beneficial to cellular uptake; two active substances can be carried at the same time, and the encapsulation efficiency on the two active substances is relatively high; and the burst release of the active substances in the stomach can be avoided, so that the bioavailability is improved.
Owner:ZHEJIANG OCEAN UNIV
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