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37results about How to "Increase Lutein Content" patented technology
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Yellow cartfish feedstuff
InactiveCN1843161ABright complexionIncrease Lutein ContentClimate change adaptationAnimal feeding stuffAnimal scienceLutein
The invention discloses a yellow cartfish feedstuff which comprises animal protein, plant protein, fat source, minerals and vitamin additives, wherein the minerals include the salts of Cu, Fe, Mn and Zn, characterized in that, calculated by the content of dried solid (by weight percent), the feed contains 5-10% of maize protein meal.
Owner:SUZHOU UNIV
Seed introduction cultural technique for pigment marigold at high altitude area
ActiveCN101401521AIncrease usageHigh quality seedlingsSeed immunisationHorticultureEconomic benefitsStandardization
The invention discloses an introduction and cultivation technique of pigment marigold in a high altitude area, in particular an introduction and cultivation technique for an area at an altitude between 1,700 and 2,200 meters. The method comprises the steps of pretreatment of seeds of pigment marigold, seedling raising, transplanting, management and harvesting. The method adopts physical and chemical method to pretreat the seeds to achieve a germination percentage of the seeds of 90 percent and a uniform seedling raising means to provide high quality seedlings for large scale planting. By planting pigment marigold in a high altitude area, the yield of fresh flowers and content of xanthophylls in the fresh flower are greatly improved. The cultivation method, compared with the prior method, contributes to construction of standard pigment marigold plantations, carrying out standard planting demonstration of pigment marigold and improving the technological content of the pigment marigold, enables farmers to learn planting technologies of pigment marigold as quickly as possible and obtain high quality pigment marigold products, and greatly improves economic benefits.
Owner:QUJING BOHAO BIOTECH
Daily feed for laying hens producing eggs enriched with omega-3 polyunsaturated fatty acid
PendingCN107494976AImprove digestion and absorption rateImprove enrichment capacityAnimal feeding stuffAccessory food factorsAnimal sciencePhytase
The invention discloses a daily feed for laying hens producing eggs enriched with omega-3 polyunsaturated fatty acid. The daily feed for the laying hens producing eggs enriched with omega-3 polyunsaturated fatty acid is mainly prepared from the following raw materials in parts by weight: 10-20 parts of barley, 5-10 parts of fermented soybean meal, 2-4 parts of beer yeast, 5-10 parts of puffed soybeans, 2-5 parts of puffed linseeds, 3-6 parts of oat bran, 3-6 parts of alfalfa, 2-5 parts of ultrafine wall-broken grape seeds, 2-8 parts of seaweed powder, 0.5 part of a compound premix, 0.003-0.005 part of selenium yeast, 0.05-0.1 part of a compound enzyme preparation, 0.03-0.08 part of betaine, 0.05-0.1 part of probiotics, 0.3 part of Boshan X-1, 0.01-0.03 part of phytase, 0.03-0.1 part of lipase, vitamins, amino acids, and so on. Being used for breeding laying hens, the daily feed is capable of improving immunity and disease resistance of the laying hens, as well as increasing content of omega-3 polyunsaturated fatty acid, especially content of DHA, in the eggs.
Owner:LIAONING WELLHOPE AGRI TECH
Silkworm feed
The invention discloses silkworm feed. The silkworm feed comprises the following components in weight part: 50-65 parts of mulberry leaves, 10-12 parts of dandelion leaves, 12-21 parts of vegetable leaves, 7-11 parts of corn gluten meal, 3-5 parts of multivitamins, 1-3 parts of carotene, and 0.5-0.8 parts of a mildew preventive. The mulberry leaves are used as a main raw material. Various vegetable leaves are added to achieve complete nutrition. The dandelion leaves can clear away heat and toxic materials and resist against viruses. The multivitamins and the carotene are essential nutrient substances for organisms. The silkworm feed can improve immunity, meet requirements for growth of the silkworm, and reduce diseases.
Owner:张跃杰
A hydroxytyrosol composition and applications thereof
ActiveCN103316032AAvoid damagePromote absorptionSenses disorderHydroxy compound active ingredientsHydroxytyrosolDiabetes retinopathy
The invention provides a hydroxytyrosol composition used for protecting eyesight. The composition is characterized in that the composition is prepared by preparing an active component by mixing hydroxytyrosol, hyaluronic acid, phytoxanthin, proanthocyanidins and taurine according to a certain ratio, and then preparing oral preparations with the active component and a proper amount of common auxiliary materials. The composition has functions of improving eyesight, and improving eye and visual functions. The composition is used for eyesight protection, asthenopia improvement, prevention and adjuvant therapy for macular degeneration, macular degenerative diseases, and diabetic retinopathy, optic atrophy, and optic nerve degeneration, and the like.
Owner:SHANDONG GUANTIANXIA BIOTECHNOLOGY CO LTD
Tagetes erecta particles production method capable of increasing xanthophyll content
InactiveCN107629481AShorten fermentation timeIncrease Lutein ContentOrganic chemistryTea substituesLuteinFiltration
The invention discloses a tagetes erecta particles production method capable of increasing xanthophyll content, which belongs to the field of natural pigment processing. According to the method, the picked fresh tagetes erecta is subjected to two-time fermentation by using a lactic acid bacteria diluent, physical extruding, drying and dehydrating, and water cooling, and then the material is subjected to crushing granulation under inert gas protection to obtain the tagetes erecta particles. A plate and frame filter as well as membrane filtration are used in order for re-covering residual tagetes erecta and xanthophyll in waste water after physical extruding, and the xanthophyll content during tagetes erecta processing is increased. The xanthophyll content in the produced tagetes erecta particles is high, and the waste water can be better processed.
Owner:晨光生物科技集团莎车有限公司
Extracting and purifying method of chlorella lutein protein complex
ActiveCN103613648AStrong stabilityEasy to scale upPeptide preparation methodsAlgae/lichens peptidesAmmonium sulfateIon exchange
The invention relates to an extracting and purifying method of a chlorella lutein protein complex. The extracting and purifying method comprises the following steps: carrying out wall-breaking treatment onto chlorella by utilizing an ultrasonic crushing method; carrying out solubilization onto chromoprotein on a thylakoid membrane by adopting a surfactant; and purifying the lutein protein complex by adopting ammonium sulfate classification and sedimentation, ion exchange chromatography and gel filtration chromatography. A pigment composition of the complex is analyzed by utilizing full-wavelength scanning and high performance liquid chromatography, wherein the obtained lutein protein complex has remarkable ABTS radical-scavenging activity. The extracting and purifying method disclosed by the invention can ensure structure and function stability of the complex by utilizing surfactant solubilizing chromoprotein; purified lutein protein complex obtained by column chromatography is simple in purifying process and convenient to produce and expand; and the lutein existing in the form of the complex not only improves stability, but also keeps antioxidant activity.
Owner:FUZHOU UNIVERSITY
Chlorella culture method capable of increasing lutein content and apparatus
InactiveCN104789631AIncrease Lutein ContentIncrease algae cell densityBioreactor/fermenter combinationsBiological substance pretreatmentsBiotechnologyLutein
The invention provides a chlorella culture method capable of increasing lutein content and an apparatus. The method comprises (1) primary heterotrophic step, namely adding a heterotrophic culture solution having the pH of 6-8 to a fermentation tank, inoculating the fermentation tank with the chlorella, and culturing until the chlorella cell density is within the range of (5-50)*10<6> / mL, wherein during culturing, the temperature is 27-32 DEG C, the pH is 6-8, and the DO value is 20%-40%; (2) autotrophic-heterotrophic stage, namely, transferring the primary heterotrophic culture solution obtained in the step (1) to autotrophic culture, wherein the culture temperature is 27-32 DEG C, ventilatory capacity of carbon dioxide is 0.03-0.05VVM, and the DO value is controlled within the range of 20%-40%, when the increase amplitude of the lutein content is lower than 1.5-3% / h, transferring the culture solution obtained after autotrophic culture into a fermentation tank for heterotrophic culture for 18-36h, and then returning to the autotrophic culture stage, and the autotrophic-heterotrophic loop is realized in the way.
Owner:TIANJIN AGRICULTURE COLLEGE
Method for preparing microcapsules through embedding xanthophyll with starch
InactiveCN107136503AImprove stabilityReduce energy consumptionHydroxy compound active ingredientsFood shapingSlurrySolvent
The invention discloses a method for preparing microcapsules by embedding lutein in starch. In this method, a certain concentration of starch milk is firstly heated and expanded for 0.5-2 hours to form expanded starch, and then the solvent containing lutein is added dropwise while keeping warm and stirred, reacted for 0.5-4 hours, cooled, and recrystallized at 4-25°C for 4-2 hours. After 12 hours, centrifuge, wash and dry to obtain lutein microcapsules. The content of lutein in the obtained lutein microcapsules is 2.40-2.54mg / g, and the lutein retention rate can reach 72.1% after the three-week storage stability test, and the release rate can reach 87.2% under the condition of human intestinal fluid, reaching The purpose of targeted intestinal slow-release is more conducive to the absorption and utilization of lutein by the human body. The method is simple, effective and energy-saving for embedding lutein, reduces production cost, enhances the protection of lutein during storage and transportation, has strong stability and good slow-release effect in human intestinal tract.
Owner:SOUTH CHINA UNIV OF TECH
Multi-element compound titanium micro fertilizer
InactiveCN104341234APromote rootingPromote production increaseMagnesium fertilisersLiquid fertilisersTitaniumMulti element
The invention discloses multi-element compound titanium micro fertilizer. 1t of the titanium micro fertilizer contains 1-5kg of CuSO4, 1-5kg of FeSO4, 1-5kg of ZnSO4, 10-30kg of MgSO4, 1-6kg of H3BO3, 500-1100g of sodium alpha-naphthalene acetate, 1-8kg of TiCl4, 5-24kg of a chelating agent and the balance being high-purity water. The multi-element compound titanium micro fertilizer disclosed by the invention is diverse in implementation way, and is applicable to seed soaking, drop irrigation, spraying and irrigation; the micro fertilizer is not only beneficial for rooting and production increase of beans and grains, but also capable of remarkably increasing xanthophyll content in potato and enhancing eating taste, so as to guarantee quality and quantity really; and meanwhile, the micro fertilizer can enhance ornamental value of foliage plants.
Owner:刘舰艇
Application of sll0659 gene to synthesis of synechocystis carotenoids
ActiveCN105087627AIncrease Lutein ContentReduce percentageBacteriaMicroorganism based processesBeta-CaroteneAlpha-Carotene
The invention relates to application of a sll0659 gene to synthesis of synechocystis carotenoids. The nucleotide sequence of the sll0659 gene is shown in SEQ ID No.1. The invention provides application of the sll0659 gene in synechocystis PCC6803, which has an important effect on synthesis of synechocystis PCC6803 beta-carotene. By knocking out the sll0659 gene in synechocystis PCC6803, the lutein content of the synechocystis PCC6803 is increased by 22.3%, zeaxanthin content is increased by 31.3%, the echinenone content is reduced by 34.3%, and the percentage content of beta-carotene is reduced by 1.3%. Meanwhile, HPLC detection results show when synechocystis PCC6803 involved in the invention is compared with wild synechocystis PCC6803, an obvious peak exists in the carotenoid components in the sll0659 gene knockout mutant, and the obvious peak is determined to be alpha-carotene by contrasting the obvious peak with a standard product and detecting.
Owner:BIOTECH RES CENT SHANDONG ACADEMY OF AGRI SCI
Feed for culturing pelteobagrus fulvidraco
InactiveCN105146194AImprove palatabilityImprove digestion and absorption rateFood processingAnimal feeding stuffBarbed Skullcap HerbPhytase
The invention relates to the technical field of aquatic animal feed and particularly relates to a feed for culturing pelteobagrus fulvidraco. The feed is prepared from the following raw materials in parts by weight: 30-50 parts of fish meal, 60-80 parts of vital gluten, 50-55 parts of corn flour, 5-10 parts of shrimp shell meal, 10-15 parts of blood meal, 0.02-0.025 part of yeast powder, 3-5 parts of barbed skullcap herb, 10-20 parts of stringy stonecrop herb, 2-5 parts of Japanese milkwort herb, 1.1-1.14 parts of tangerine peels, 12-15 parts of whey powder, 0.03-0.04 part of phytase, 0.2-0.25 part of mountain ebony barks, 0.1-0.3 part of Chinese tallow leaves and 1-1.1 parts of compound vitamin. By virtue of the feed, the intake of pelteobagrus fulvidraco can be improved; the non-specific immunity and anti-oxidization capability of pelteobagrus fulvidraco are enhanced; the content of total carotenoids and the content of xanthophyll in back and belly skins of fish bodies are improved, and the body color of pelteobagrus fulvidraco can be deepened.
Owner:安徽赛澳生物工程有限公司
Gene associated with synthesis of lutein and application
InactiveCN112322641AIncrease Lutein ContentOxidoreductasesFermentationXanthophyll biosynthesisNicotiana tabacum
The invention discloses a gene associated with synthesis of lutein and an application. The gene TeCHX has a nucleotide sequence as shown in SEQ ID NO.1, and an amino acid sequence as shown in SEQ ID NO.2. According to the invention, the TeCHX gene is obtained from marigold through cloning. Real-time quantitative analysis results show that the expression level of TeCHX in mature marigold flowers with significantly increased lutein content is significantly higher than that in immature marigold flowers. When TeCHX is expressed in tobacco, the lutein content of the tobacco can be increased. The gene as shown in SEQ ID NO.1 plays a role in biosynthesis of lutein. The carotene hydroxylase gene TeCHX cloned from pigment marigold can be used for increasing the lutein content of plants.
Owner:HEFEI UNIV OF TECH
Kiwi fruit composite powder and processing method thereof
ActiveCN106473039AGood instant solubilityGood anti-caking performanceFood ingredient functionsProtecting eyeKiwi fruit
The invention discloses kiwi fruit composite powder and a processing method thereof, and belongs to the technical field of processing of fruit products. The processing method comprises the following steps of (1) taking 60-65% by mass of kiwi fruit pulp, 15-20% by mass of broccoli pulp, 10-15% by mass of mung bean pulp and 5-7% by mass of apple juice, and performing thorough and uniform mixing so as to obtain composite pulp; (2) performing vacuum concentration on the composite pulp until a solid content achieves 45-55%; (3) putting the concentrated composite pulp in a drying chamber for vacuum-infrared united drying treatment; and (4) crushing products after drying treatment in step (3), and performing screening so as to obtain the kiwi fruit composite powder. The kiwi fruit composite powder contains varied purely-natural components, is delicately-fragrant, and smooth in mouth feel, and has the efficacies of resisting cancer, resisting ageing, protecting eyes, and removing summer-heat. The method is simple to operate, short in processing time, environmentally friendly and suitable for industrial scalded production.
Owner:SHAANXI UNIV OF SCI & TECH
High-yielding lutein transgenic chlorella and preparation thereof
The invention discloses a preparation method of a high-yielding lutein transgenic chlorella. The preparation method aims to transfer an IPP (Isopentenyldiphosphate) isomerase encoding gene to an objective chlorella to obtain a transgenic chlorella, wherein the lutein yield of the transgenic chlorella is higher than that of the objective chlorella; and the amino acid sequence of the IPP isomerase is the sequence 2 in the sequence table. Tests show that, the method provided by the invention, can transfer an IPP (Isopentenyldiphosphate) isomerase encoding gene expression box to a wild-type chlorella to obtain the transgenic chlorella of which lutein content is increased by 30.95 percent maximumly compared with the wild-type chlorella and the lutein yield is increased by 36.77 percent maximumly compared with the wild-type chlorella; and the transgenic chlorella is the high-yielding lutein transgenic chlorella.
Owner:THIRD INST OF OCEANOGRAPHY STATE OCEANIC ADMINISTATION
Feed additive for laying hens, capable of preventing diseases and prepared by comprehensively utilizing coconut shells
The invention discloses a feed additive for laying hens, capable of preventing diseases and prepared by comprehensively utilizing coconut shells. The feed additive is prepared from the following raw materials in parts by weight: 12-14 parts of squabs, 5-6 parts of white spirit, 10-12 parts of olives, 25-30 parts of fresh bean dregs, 4-5 parts of incised notopterygium rhizomes or roots, 3-4 parts of cherokee rose fruits, 15-17 parts of tangerine peel, 9-12 parts of cloves, 6-7 parts of licorice roots, an appropriate quantity of coconut shells, an appropriate quantity of lactic acid bacteria, an appropriate amount of 0.2mol / L hydrochloric acid, an appropriate amount of 60% ethanol, an appropriate amount of acetone, an appropriate amount of trypsin and an appropriate amount of water. After the laying hens eat a feed containing the feed additive, the nutrient value of laid eggs is higher, the phenomenon of diseases of the laying hens is effectively reduced, the mouth feel of the feed is guaranteed, and the growth and the egg laying quality of the laying hens can be rapidly promoted.
Owner:ANHUI WANGWANG FOWL IND
Feed additive for laying hens, capable of improving quality of eggs and prepared by comprehensively utilizing coconut shells
The invention discloses a feed additive for laying hens, capable of improving egg quality and prepared by comprehensively utilizing coconut shells. The feed additive is prepared from the following raw materials in parts by weight: 20-23 parts of Chinese chestnuts, 11-14 parts of Chinese flowering quinces, 9-12 parts of laver, 5-6 parts of kaempferiae, 10-15 parts of fresh milk, 15-17 parts of tangerine peel, 9-12 parts of cloves, 6-7 parts of licorice roots, an appropriate quantity of coconut shells, an appropriate quantity of lactic acid bacteria, an appropriate amount of hydrochloric acid of 0.2mol / L, an appropriate amount of ethanol of 60%, an appropriate amount of acetone, and an appropriate amount of water. The feed additive disclosed by the invention can improve the quality of eggs, can improve the production performance of the laying hens, and has the efficacies of immunity resistance and disease resistance.
Owner:ANHUI WANGWANG FOWL IND
Broiler chicken feed additive capable of promoting growth and prepared by comprehensively utilizing coconut shells
The invention discloses a broiler chicken feed additive capable of promoting growth and prepared by comprehensively utilizing coconut shells. The feed additive is prepared from the following raw materials in parts by weight: 25-28 parts of red grapes, 10-15 parts of gordon euryale seed powder, 12-14 parts of sunflower seeds, 14-17 parts of ulva lactuca, 4-5 parts of cushaw petals, 15-17 parts of orange peel, 9-12 parts of cloves, 6-7 parts of licorice roots, an appropriate quantity of coconut shells, an appropriate quantity of lactic acid bacteria, an appropriate amount of activated dry yeast, an appropriate amount of 0.2mol / L hydrochloric acid, an appropriate amount of 60% ethanol, an appropriate amount of acetone and an appropriate amount of water. The feed additive disclosed by the invention can promote the broiler chickens to eat, the growth speed of the broiler chickens is high, the fattening effect is obvious, the meat quality of the broiler chickens is sweet and fragrant, and the meat of the broiler chickens is rich in various nutrient values.
Owner:ANHUI WANGWANG FOWL IND
Laying hen feed additive capable of improving stress ability and prepared by comprehensively utilizing coconut shells
InactiveCN105124242AGreat tasteEasy to eatFood processingAnimal feeding stuffWater ChestnutsLactarius
The invention discloses a laying hen feed additive capable of improving stress ability and prepared by comprehensively utilizing coconut shells. The feed additive is prepared from the following raw materials in parts by weight: 30-34 parts of water chestnuts, 9-12 parts of shiitake mushrooms, 1-2 parts of grape seed oil, 10-12 parts of coconut juice, 15-17 parts of orange peel, 9-12 parts of cloves, 6-7 parts of licorice roots, an appropriate quantity of coconut shells, an appropriate quantity of lactic acid bacteria, an appropriate amount of 0.2mol / L hydrochloric acid, an appropriate amount of 60% ethanol, an appropriate amount of acetone, an appropriate amount of soybean isoflavone and an appropriate amount of water. Through the adoption of the feed additive disclosed by the invention, the stress ability of the laying hens can be improved, and the production efficiency of the laying hens can be improved.
Owner:ANHUI WANGWANG FOWL IND
Giant panda concentrated feed
InactiveCN106798096ABalanced nutritionGuaranteed survivalFood processingAnimal feeding stuffAnimal scienceSheep blood
The invention relates to a giant panda concentrated feed comprising the following components in parts by weight: 40-50 parts of corn, 15-20 parts of soybean flour, 15-20 parts of barley, 15-20 parts of bran, 10-20 parts of sheep blood meal, 10-15 parts of bone meal, 15-20 parts of egg yolk powder, and 300-500 parts of purified water. The concentrated feed provided by the invention has all the components being pure natural materials, is safe and harmless, can auxiliarily supplement insufficient nutrition of captive giant pandas, balances a nutrition structure of the giant pandas, makes the captive giant pandas healthier, and indirectly ensures the giant pandas survival and reproduction; and at the same time, sheep blood is added into the concentrated feed, so the giant pandas like to eat the concentrated feed, and feed application is quite simple and convenient.
Owner:ANHUI YINLONG PUMP VALVE
High-yielding lutein transgenic chlorella and preparation thereof
The invention discloses a preparation method of a high-yielding lutein transgenic chlorella. The preparation method aims to transfer an IPP (Isopentenyldiphosphate) isomerase encoding gene to an objective chlorella to obtain a transgenic chlorella, wherein the lutein yield of the transgenic chlorella is higher than that of the objective chlorella; and the amino acid sequence of the IPP isomerase is the sequence 2 in the sequence table. Tests show that, the method provided by the invention, can transfer an IPP (Isopentenyldiphosphate) isomerase encoding gene expression box to a wild-type chlorella to obtain the transgenic chlorella of which lutein content is increased by 30.95 percent maximumly compared with the wild-type chlorella and the lutein yield is increased by 36.77 percent maximumly compared with the wild-type chlorella; and the transgenic chlorella is the high-yielding lutein transgenic chlorella.
Owner:THIRD INST OF OCEANOGRAPHY STATE OCEANIC ADMINISTATION
A method for extracting and separating lutein from marigold
ActiveCN108929255BIncrease Lutein ContentImplement direct extractionOrganic chemistryInorganic saltsEnzymatic hydrolysis
The invention provides a method used for extracting and separating xanthophyll in marigold. The method comprises following steps: firstly, enzyme is adopted for hydrolysis of marigold flower powder soas to obtain an enzymatic hydrolysate; the enzymatic hydrolysate is subjected to salting out extraction; an obtained product is allowed to stand or is subjected to centrifugation phase separation soas to obtain an upper organic solvent phase and a lower inorganic salt water phase, and the upper organic solvent phase is subjected to evaporation so as to obtain xanthophylls. Compared with conventional extraction method, the advantages are that: the advantages of enzyme-salting out extraction and enzyme-microwave auxiliary salting out extraction are adopted, direct extraction of xanthophyll infresh marigold flowers is realized, steps of fresh marigold flower fermentation, granulation pretreatment process are avoided; and in addition, salting out extraction is capable of realizing phase separation, so that extraction and primary extraction on xanthophyll are realized, primary purifying of target products is realized, enzyme and microwave action is capable of increasing effective component extraction yield effectively, simplifying production technology, and shortening production period.
Owner:SHIHEZI UNIVERSITY
Broiler feed additive prepared by comprehensively using coconut shell and capable of improving chicken quality
The invention discloses a broiler feed additive prepared by comprehensively using coconut shell and capable of improving chicken quality. The broiler feed additive comprises, by weight, 24-26 parts of red yeast rice, 5-6 parts of longan, 6-7 parts of cashew nut, 10-12 parts of beer, 8-10 parts of aloe, 1-2 parts of salt, 15-17 parts of orange peel, 9-12 parts of clove, 6-7 parts of liquorice, coconut shell, lactic acid bacteria, hydrochloric acid with the concentration of 0.2mol / L, 60% ethanol, acetone, and appropriate amount of water. The broiler feed additive is capable of preventing diseases, increasing productivity, adjusting body immunity and greatly increasing broiler marketable fattened stock and chicken quality, and fresh and tender, delicious and unique-flavor chicken can be achieved.
Owner:ANHUI WANGWANG FOWL IND
Seed introduction cultural technique for pigment marigold at high altitude area
ActiveCN101401521BIncrease usageHigh quality seedlingsSeed immunisationHorticultureEconomic benefitsStandardization
Owner:QUJING BOHAO BIOTECH
Compositions containing hydroxytyrosol and applications thereof
ActiveCN103316032BAvoid damagePromote absorptionSenses disorderHydroxy compound active ingredientsHydroxytyrosolDiabetes retinopathy
The invention provides a hydroxytyrosol composition used for protecting eyesight. The composition is characterized in that the composition is prepared by preparing an active component by mixing hydroxytyrosol, hyaluronic acid, phytoxanthin, proanthocyanidins and taurine according to a certain ratio, and then preparing oral preparations with the active component and a proper amount of common auxiliary materials. The composition has functions of improving eyesight, and improving eye and visual functions. The composition is used for eyesight protection, asthenopia improvement, prevention and adjuvant therapy for macular degeneration, macular degenerative diseases, and diabetic retinopathy, optic atrophy, and optic nerve degeneration, and the like.
Owner:SHANDONG GUANTIANXIA BIOTECHNOLOGY CO LTD
Application of a sll0659 gene in synthesizing Synechocystis carotenoids
ActiveCN105087627BIncrease Lutein ContentReduce percentageBacteriaMicroorganism based processesBeta-CaroteneAlpha-Carotene
The invention relates to application of a sll0659 gene to synthesis of synechocystis carotenoids. The nucleotide sequence of the sll0659 gene is shown in SEQ ID No.1. The invention provides application of the sll0659 gene in synechocystis PCC6803, which has an important effect on synthesis of synechocystis PCC6803 beta-carotene. By knocking out the sll0659 gene in synechocystis PCC6803, the lutein content of the synechocystis PCC6803 is increased by 22.3%, zeaxanthin content is increased by 31.3%, the echinenone content is reduced by 34.3%, and the percentage content of beta-carotene is reduced by 1.3%. Meanwhile, HPLC detection results show when synechocystis PCC6803 involved in the invention is compared with wild synechocystis PCC6803, an obvious peak exists in the carotenoid components in the sll0659 gene knockout mutant, and the obvious peak is determined to be alpha-carotene by contrasting the obvious peak with a standard product and detecting.
Owner:BIOTECH RES CENT SHANDONG ACADEMY OF AGRI SCI
A method and equipment for cultivating chlorella capable of increasing lutein production
InactiveCN104789631BIncrease Lutein ContentIncrease algae cell densityBioreactor/fermenter combinationsBiological substance pretreatmentsLuteinAeration rate
A method and equipment for cultivating chlorella capable of increasing lutein production. The method includes 1) an initial heterotrophic step, adding a heterotrophic culture solution with a pH of 6 to 8 in a fermenter, and inoculating chlorella in the fermentation tank. In the tank, the culture temperature is 27-32°C, the pH is controlled in the range of 6-8, the DO value is controlled in the range of 20%-40%, and the algae cell density is 5-50×106 / mL; 2) Autotrophic-heterotrophic In the nutrient cycle stage, the initial heterotrophic culture solution obtained in step 2) is transferred to autotrophic culture, the culture temperature is 27-32°C, the carbon dioxide ventilation rate is 0.03-0.05VVM, and the DO value is also controlled in the range of 20%-40%. Cultivate until the increase in lutein content is less than 1.5-3% / h, transfer to a fermenter to continue heterotrophy, after 18-36 hours of heterotrophy, then transfer to the autotrophic culture stage, such an autotrophic-heterotrophic cycle.
Owner:TIANJIN AGRICULTURE COLLEGE
Lutein laying hen feed and preparation method thereof
PendingCN110916013AImprove intestinal digestionPromote digestion and absorptionFood processingAnimal feeding stuffBiotechnologySalmonella kiel
The invention relates to the field of chicken feed, and discloses lutein laying hen feed and a preparation method thereof. The lutein laying hen feed comprises the following components in parts by weight: 130-200 parts of basic feed, 10-30 parts of a lutein ester raw material, 10-30 parts of fermentation probiotics, 2-5 parts of dandelion phytic acid, 0.5-1 part of multivitamins, and 0.5-1 part ofcomplex trace elements, wherein the lutein ester raw material comprises a lutein ester extract and a raw material residue. The lutein laying hen feed can increase the lutein content in eggs, and canreduce the amount of salmonella in the eggs.
Owner:惠州市乐夫农业科技有限公司
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