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202 results about "Chlorella pyrenoidosa" patented technology

Chlorella pyrenoidosa is a species of the freshwater green algae genus Chlorella. It occurs worldwide. The species name pyrenoidosa refers to the presence of a prominent pyrenoid within the Chlorella chloroplast.

Alga ferment healthcare solid drink and preparation process thereof

The invention discloses an alga ferment healthcare solid drink. The alga ferment healthcare solid drink is prepared from the following raw materials in percentage by weight: 5-13% of spirulina platensis, 8-10% of spirulina maxima, 5-15% of chlorella pyrenoidosa powder, 10-12% of haematococcus pluvialis, 10-13% of euglenophyta, 10% of alpha-amylase, 5% of lipase, 10% of cellulase, 5% of protease and 15% of fructo-oligosaccharides. A preparation process of the alga ferment healthcare solid drink comprises the following steps: (1) selecting and baking the materials; (2) drying; (3) adding the fructo-oligosaccharides; (4) crushing, purifying and sterilizing; (5) mixing; (6) carrying out incense enhancing and equalization treatment; (7) packaging. Compared with the prior art, the alga ferment healthcare solid drink has the advantages that natural raw materials serve as effective ingredients, and the intake and absorption of villi are controlled in the intestinal tract; the metabolic balance of the intestinal tract is regulated, and the value of uric acid in blood can be more effectively reduced; gout is prevented and improved, the propagation of beneficial bacteria of the intestinal tract is improved, the breeding of miscellaneous bacteria of the intestinal tract is inhibited, and the content of oxygen in the blood is increased; the immune system is regulated, and the immunity is enhanced.
Owner:SHANGHAI CHENGHUANG IND

Method for improving biomass and oil fat yield of microorganisms

The invention discloses a method for improving the biomass and oil fat yield of microorganisms. The method comprises the following steps: (1) carrying out activated culture: respectively inoculating chlorella pyrenoidosa and rhodotorula glutinis cells into a culture medium, carrying out activated culture to a logarithmic phase, and taking a product as a seed solution; (2) respectively inoculating chlorella pyrenoidosa and rhodotorula glutinis into a shake flask according to different proportions, wherein each shake flask is internally filled with a culture medium, putting the shake flasks into a lighting shaker, and culturing; (3) respectively inoculating chlorella pyrenoidosa and rhodotorula glutinis cells into a BG11 culture medium, wherein the ratio of chlorella pyrenoidosa cell number to the rhodotorula glutinis cell number is equal to 3: 1, and the BG11 culture mediums contain 1.6g / L of yeast extract and have different glucose concentrations; putting the inoculated shake flasks into the lighting shaker, and culturing for 12 days; (4) after the culture is finished, centrifuging microbial cells, washing and carrying out freeze drying to obtain powder; the powder can be used for measuring and evaluating the dry weight concentration, total lipid content, fatty acid content and yield of the biomass. The method has the advantages that the biomass and oil fat yield of the oil-containing microorganisms are remarkably improved by utilizing a mixed culturing mode, and are 3-4 times or more than those of microorganisms cultured under a single culture condition; the method is relatively simple and convenient, and the energy consumption and the production cost are effectively reduced.
Owner:SOUTH CHINA UNIV OF TECH

Method for cultivating epinephelus septemfasciatus offspring seeds

The invention discloses a method for cultivating epinephelus septemfasciatus offspring seeds, which comprises the steps of: culturing the offspring seeds under the conditions that the salinity is 28+/-2, the water temperature is 19+/-2 DEG C, the pH value is 8+/-0.3 and the dissolved oxygen is more than 6mg/l, controlling the seedling distributing density to be 8000-15000/M<3>; before newly hatched larvae enter a pool, putting a composite bacterium (photosynthetic bacterium and nitrobacterium) according to the concentration of 2ppm, adding 0.5ppm of composite bacterium and 1ppm of shrimp feedevery day after 5 days, adding 1ppm of composite bacterium and 1ppm of shrimp feed every day after 25 days, and stopping adding the composite bacterium and the shrimp feed after 50 days; illuminatingthe newly hatched larvae at 2000-4000lx until the newly hatched larvae grow to the 10th day, illuminating the epinephelus septemfasciatus growing from the 11th day to the 30th day at 1000-3000lx and illuminating the epinephelus septemfasciatus growing from the 31st day to the 60th day at 500-1000lx; after the newly hatched larvae enter the pool, sucking and removing pollutants at the bottom of the pool at the beginning of the 30th day; feeding the newly hatched larvae growing from the 4th day to the 7th day SS (Som Somatostatin) type wheel animalcule and hardly developing before the wheel animalcule is fed to the larvae, wherein larva feed comprises the SS small wheel animalcule and common wheel animalcule; and feeding the common wheel animalcule in the newly hatched larvae growing from the 6th day to the 20th day, and developing newly hatched larvae through chlorella pyrenoidosa. The invention has the advantages of reasonable operation process and stable result, and is suitable for culturing cold temperate epinephelus septemfasciatus seeds.
Owner:YELLOW SEA FISHERIES RES INST CHINESE ACAD OF FISHERIES SCI

Culture medium and culture method for culturing chlorella pyrenoidosa by sheep manure leach liquor

The invention discloses a method for culturing chlorella pyrenoidosa by taking sheep manure leach liquor as a main nitrogen source, and belongs to the field of aquiculture. The chlorella pyrenoidosa is rich in nutrition, widely used for manufacturing healthcare products, cosmetics, medicines, sea fishes and shrimp feeds; a f/2 culture solution and an open cement pit are conventionally adopted to culture, so that the growth is slow, the pollution is easily produced, the cost is high and the benefits are low; at present, a horizontal type white plastic water storage tank is adopted for aerated feeding culture, and the sheep manure leach liquor is taken as the main nitrogen source and added with an appropriate amount of nutritional ingredients such as ammonium nitrate, sodium dihydrogen phosphate, soil extract, DL malic acid, D-sodium erythorbate, potassium silicate, indoleacetic acid, alpha-naphthylacetic acid, medical stone powder, a titanium solution, wheat gluten and hydroxypropyl methyl cellulose, so that not only can the waste be utilized, but also microalgae with a high healthcare value can be obtained; the organic fertilizer and the inorganic fertilizer are mixed for use, so that the nutrition is relatively comprehensive, the operation is convenient, the automatic and large-scale production can be realized, the cost is low, the benefits are high, and the microalgae yield is increased by 240%.
Owner:LINYI UNIVERSITY

Composite algae fungicide for improving water quality of aquaculture pond and preparation method of composite algae fungicide

The invention discloses a composite algae fungicide for improving water quality of an aquaculture pond. The composite algae fungicide is prepared from the following raw materials in parts by weight: 15-25 parts of chlorella pyrenoidosa solution, 30-50 parts of selenastrum capricornutum solution, 15-25 parts of scendesmus quadricauda solution, 5-15 parts of photosynthetic bacteria fermented liquid, 10-20 parts of sphaeailus nalans fermented liquid, 10-20 parts of thiobacillus denitrificans fermented liquid, 5-15 parts of bacillus natto fermented liquid, 5-15 parts of saccharomycetes fermented liquid and 1-2 parts of sodium humate. In addition, the invention further provides a preparation method of the composite algae fungicide for improving water quality of the aquaculture pond. After the composite algae fungicide disclosed by the invention is applied to a water body, organic pollutants in the water are transferred, transformed and degraded by utilizing metabolic activities of microbes, the pollutant concentration in the water is reduced, synergistic interaction can be realized, harmful substances such as ammonia nitrogen, nitrous acid, hydrogen sulfide and the like are decomposed, and the water body environment of the aquaculture pond is improved.
Owner:INST OF AQUATIC LIFE ACAD SINICA

Microalgae composite living bait for shellfish breeding and production method of microalgae composite living bait

The invention discloses microalgae composite living bait for shellfish breeding and a production method of microalgae composite living bait. The microalgae composite living bait is prepared by cultivating the following microalgae species to obtain a mixed microalgae solution according to the proportion of cell numbers: 15-20% of chaetoceros muelleri, 20-25% of coccolithophores, 5-10% of isochrysis galbana, 15-20% of haematococcus pluvialis, 25-30% of chlorella pyrenoidosa and 10-15% of platymanas subcordiformis, wherein the total density is (1*105) to (5*105) cells/mL. The production method comprises the following steps: (1) utilizing photobioreactors to cultivate the microalgae species respectively, thereby obtaining the microalgae solution of which the cultivation density is (1*109) to (5*1010) cells/mL; (2) preparing the microalgae solution into the microalgae composite living bait according to the proportion of cell numbers, wherein the total density of the microalgae composite living bait is (1*105) to (5*105) cells/mL. The microalgae composite living bait is prepared from various microalgae cells, so that a nutrition balance effect is realized, the survival rate of juveniles shellfish can be effectively improved, and the morbidity of the juveniles shellfish can be reduced.
Owner:JIANGSU UNIV OF SCI & TECH

Micro-algae ball and immobilization method

InactiveCN107964544AImprove the efficiency of wastewater treatmentLow costMicroorganism based processesOn/in organic carrierCross-linkIon
The invention relates to a micro-algae ball and an immobilization method. The immobilization method includes the steps: (a) centrifuging chlorella pyrenoidosa solution with (1-5)*10<6> cells / ml in waste water to remove clear liquid, cleaning the chlorella pyrenoidosa solution for 2-3 times by the aid of deionized water, reaching the constant volume of 50-60ml to obtain concentrated chlorella pyrenoidosa solution; (b) uniformly mixing the prepared concentrated chlorella pyrenoidosa solution and sodium alga acid solution with the mass concentration of 2%-4% according to the volume ratio of 1:2 to prepare standby application solution; (c) dropping the prepared standby application solution into calcium chloride solution with the concentration of 2% at constant speed according to the volume ratio of 1:(4-6), and cross-linking mixture to form immobilization algae balls; (d) dissolving the obtained immobilization algae balls by the aid of sodium citrate solution with the concentration of 3%-5% according to the volume ratio of 1: 1 to prepare mixed solution; (e) centrifuging the obtained mixed solution to collect algae cells. According to the micro-algae ball and the immobilization method,the treatment efficiency of waste water can be effectively improved, cost is reduced, and immobilization algae balls are easily recovered.
Owner:WUHAN JINGYU MICROALGAE SCI & TECH CO LTD +1

Microalgae compound living body bait used for raising fishes and production method thereof

The invention discloses a microalgae compound living body bait used for raising fishes and a production method thereof. The microalgae compound living body bait is formed by microalgae algae liquid obtained by cultivating following microalgae seeds and mixing according to a cell quantity ratio: 10%-15% of chaetoceros muelleri, 15%-20% of phaeodactylum tricornutum bohlin, 10%-15% of isochrysis galbana parke, 10%-15% of haematococcus pluvialis, 30%-35% of chlorella pyrenoidosa and 15%-20% of pavlova viridis; and the total density is 1.2*10<5>-5.8*10<5> cells / millimeter. The production method comprises the following steps: (1) cultivating the microalgae seeds by using a photobioreactor to obtain the microalgae algae liquid with the cultivation density of 1.1*10<9>-5.6*10<10> cells / millimeter; and (2) preparing the microalgae compound living body bait from the microalgae algae liquid according to the cell quantity ratio to obtain the microalgae compound living body bait with the total density of 1.2*10<5>-5.8*10<5> cells / millimeter. According to the microalgae compound living body bait, the plurality of types of microalgae cells are prepared into the microalgae compound living body bait and the nutrition is balanced; and the survival rate of raising the fishes can be improved and the morbidity can be reduced.
Owner:JIANGSU UNIV OF SCI & TECH

Acaiberry health care product for Yin-deficiency constitution

InactiveCN104783164ASignificant effectGet the most out of healthy relationshipsFood preparationOfficinalisFood material
The invention discloses an acaiberry health care product for Yin-deficiency constitution. The acaiberry health care product comprises the following raw materials in parts by mass: 1-6 parts of acaiberry, 1-8 parts of chlorella pyrenoidosa, 1-8 parts of loquat leaf, 1-9 parts of the fruit of Chinese wolfberry, 1-10 parts of lily, 1-10 parts of radix polygonati officinalis, 1-12 parts of rhizoma polygonati, 1-5 parts of fingered citron, 1-6 parts of lotus seed, 1-9 parts of spina date seed, 1-5 parts of raspberry, 1-5 parts of emblic leafflower fruit, 1-10 parts of mulberry, 1-6 parts of honey, 0.5-5 parts of cordyceps militaris, 1-5 parts of folium mori, 1-6 parts of fructus alpiniae oxyphyllae, 1-6 parts of the root of kudzu vine, 1-7 parts of horseradish tree leaves and 1-5 parts of Gynura procumbens, and also can comprise 1-9 parts of pawpaw. According to the holism concept of traditional Chinese medicine, yin and yang equilibrium theory and nine constitutions of the human body, the acaiberry serves as a main raw material, the pharmaceutical/food resource raw materials and new food raw materials such as chlorella pyrenoidosa, the fruit of Chinese wolfberry, loquat leaf, lily and radix polygonati officinalis are particularly and elaborately added, and the optimal compatible raw materials are elaborately and scientifically searched, so that the raw materials are complementary with one another, and healthy relation and unique advantages of dietary therapy, herbal nourishment, health maintenance and longevity are fully exerted.
Owner:GUIZHOU GUANGJITANG PHARMA

Monitoring method for change of nitrogen stress of characteristic peaks of microalgal oil with time

InactiveCN104634771AAvoid consequences such as inaccurate measurement resultsEasy to operateRaman scatteringChemical treatmentTemporal change
The invention discloses a monitoring method for the change of nitrogen stress of the characteristic peaks of microalgal oil with the time. The monitoring method comprises the following steps: (1) adopting a Raman spectrometer and acquiring Raman-spectrum original information of chlorella pyrenoidosa under the same nitrogen-nutrition environment at different periods; (2) preprocessing the obtained Raman-spectrum original information, obtaining a preprocessed spectrogram and extracting Raman intensity values corresponding to the microalgal characteristic peaks in the spectrogram; (3) adopting the Raman intensity values as input, adopting different periods of the same nitrogen-nutrition environment as output, and establishing a judgment model based on a multiple regression algorithm; and (4) taking live algae liquid, obtaining a corresponding Raman intensity value by processing in the step (1) and the step (2), inputting the judgment model and obtaining a result of the change of the nitrogen stress of the algae liquid to be monitored with the time. The monitoring method disclosed by the invention has the advantage that the problems that dyeing or complex chemical treatment needs to be carried out on the sample, the operation is relatively tedious and consumes time and labor in the existing detection method are solved.
Owner:ZHEJIANG UNIV

Method for cultivating penaeus vannamei in rice field

The invention relates to the technical field of aquatic product culture, and particularly relates to a method for culturing penaeus vannamei in a rice field. The method of the invention including thefollowing steps of: treating the rice field by using horseradish and hydrogen peroxide; planting water grass in the deep part of the rice field, inoculating oocystis borgei, nannochloris oculata and chlorella pyrenoidosa, and dispersively planting radix arnebiae and potamogeton crispus in the rice field; changing water at regular time, and adding decomposed farmyard manure with composite microbialagent prepared by compounding bifidus, pichia pastoris, enterococcus faecium, bacillus licheniformis and bacillus natto; applying a mixed Chinese herbal medicine supplement prepared by crushing horseradish, herba artemisiae scopariae, herba leonuri, flos lonicerae, rhizoma belamcandae, and herba artemisiae scopariae periodically to water. According to the method, farmyard manure, probiotics and Chinese herbal medicines are used, natural plants are planted, the whole process is green and harmless, the quality of shrimp meat is kept at a higher level, the comprehensive economic benefits of whole culture are kept at a higher level, and the economic benefits are greatly improved.
Owner:GUIZHOU UNIV OF ENG SCI

Microplate analysis method for time toxicity of environmental pollutants on basis of chlorella pyrenoidosa

InactiveCN104390920AUnderstand the mechanism of toxicological actionWays to understandColor/spectral properties measurementsFresh water organismTest organism
The invention discloses a microplate analysis method for the time toxicity of environmental pollutants on the basis of chlorella pyrenoidosa. The microplate analysis method comprises the following steps: with chlorella pyrenoidosa in freshwater green algae as a tested organism and a 96-hole transparent microplate as a carrier, introducing a time factor into a traditional compound concentration-effect relation, determining the time dependent toxicity of partial environmental pollutants on the chlorella pyrenoidosa, thereby discovering that all the determined pollutants have obvious time dependent characteristic, and then establishing a concentration-time-effect curve surface by utilizing a least-square spline function approximation method, thereby knowing the dynamic toxicity effect of the pollutants along with change of the concentration and the time. The microplate analysis method disclosed by the invention has the advantages that the defect that a traditional toxicity analysis method can only analyze the accumulation effect of pollutants for exposed organisms at a certain exposure time endpoint is overcome, the toxicity effect of the pollutants can be learned comprehensively, the mechanism and the means of the toxicological effect of the pollutants can be known deeply, and further, the phenomenon and information of exposure of the pollutants in actual environments can be embodied.
Owner:ANHUI UNIVERSITY OF ARCHITECTURE

Chlorella pyrenoidosa, biological environment restoration liquid prepared therefrom and application of chlorella pyrenoidos

The invention discloses chlorella pyrenoidosa, biological environment restoration liquid prepared therefrom and application of the chlorella pyrenoidosa, relates to a green alga active cell biologicalrestoration liquid, and aims to provide chlorella for environment restoration and application of the chlorella. The chlorella is the Chlorella pyrenoidosa ZXL X, and the depositary authority is ChinaCenter for Type Culture Collection, the depositary address is Wuhan University, Wuhan, Hubei Province, the depositary date is November 18, 2020, and the depositary number is CCTCC NO: M 2020760. Thechlorella pyrenoidosa is used for improving the soil environment, promoting crop yield increase and improving crop quality. The restoration liquid is prepared by the following steps: culturing chlorella pyrenoidosa with a nutrient solution to an exponential growth phase and mixing the cultured chlorella pyrenoidosa with an alginate solution; extruding the mixed solution to a calcium chloride solution to obtain globules; and mixing with the globules with a working solution to obtain the biological environment restoration liquid. The environment restoration liquid provided by the invention is high in content value, does not produce drug residues, and can realize agricultural sustainable development.
Owner:范秀娟

Glyphosate concentration detection method based on Raman signals of chlorella pyrenoidosa

The invention discloses a glyphosate concentration detection method based on Raman signals of chlorella pyrenoidosa. The glyphosate concentration detection method comprises the following steps: (1) acquiring Raman spectrum information of chlorella pyrenoidosa samples from water bodies with glyphosate of different concentration, and preprocessing the Raman spectrum information; (2) establishing a prediction model by virtue of alternating least square according to the concentration of glyphosate in the water bodies and the preprocessed Raman spectrum information; and (3) acquiring Raman spectrum information of a to-be-measured chlorella pyrenoidosa sample, processing the Raman spectrum information of the to-be-measured chlorella pyrenoidosa sample by virtue of a multivariate curve resolution method, and inputting the processed Raman spectrum information into the prediction model, thereby obtaining the concentration of glyphosate in a glyphosate water body from which the to-be-detected chlorella pyrenoidosa sample is collected. According to the detection method, the water sample does not need to be subjected to complicated preprocessing and chemical analysis, so that the operation steps are greatly simplified, and the detection time is shortened.
Owner:ZHEJIANG UNIV
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