37 results about "Algal Proteins" patented technology

Methods for selective extraction and fractionation of algal proteins from an algal biomass or algal culture are disclosed. A method of selective removal of products from an algal biomass provides for single and multistep extraction processes which allow for efficient separation of algal proteins. These proteins can be used as renewable sources of proteins for animal feedstocks and human food. Further, lipids remaining in the algal biomass after extraction of proteins can be used to generate renewable fuels.

Methods for selective extraction and fractionation of algal proteins from an algal biomass or algal culture are disclosed. A method of selective removal of products from an algal biomass provides for single and multistep extraction processes which allow for efficient separation of algal proteins. These proteins can be used as renewable sources of proteins for animal feedstocks and human food. Further, lipids remaining in the algal biomass after extraction of proteins can be used to generate renewable fuels.

The invention discloses a method for producing a seaweed protein feed through the synergistic effect of enzymolysis and fermentation. The method comprises the steps of fully mixing seaweed residue (the water content is 38%) and a feed enzyme preparation according to a certain proportion and performing the enzymolysis for 4-7h with the pH of 6.2-7.0 at the temperature being 35-45 DEG C to obtain a seaweed residue-feed enzyme preparation mixture; inoculating compound microorganisms and performing solid fermentation. The method has a simple process and is easy to operate; an external source is added to degrade a cellulose preparation to produce nutrition beneficial to microbial growth through the enzymolysis and make up the deficiency of enzyme produced by using the compound microorganisms, so as to stabilize the solid fermentation process and the product quality, greatly reduce the content of cellulose and increase the protein content; the seaweed protein feed is rich in multiple minerals, bioactive constituents and unknown somatomedin, and can be used as a protein feed for livestock and poultry and an aquatic feed; the method provides a technical support for growing tensions on developing novel protein resources and relieving a feed protein source.

The present invention relates to an animal feed composition comprising one or more grains in an amount totaling 50-70% w/w of the composition; a non-algal protein source in an amount totaling 15-30% w/w of the composition; algae in an amount totaling 3-15% w/w of the composition; an oil heterologous to the algae in an amount totaling 0.5-15% w/w of the composition; an inorganic phosphate source in an amount totaling up to 1.5% w/w of the composition; a sodium source in an amount totaling up to 0.5% w/w of the composition; and one or more amino acids selected from the group consisting of lysine, threonine, isoleucine, tryptophan, and methionine in an amount totaling up to 0.5% w/w of the composition. Also disclosed are an animal feed supplement, methods of feeding animals, methods of improving the feed efficiency of an animal, and an improvement to animal feed.

The present invention relates to an animal feed composition comprising one or more grains in an amount totaling 48-70% w/w of the composition; a non-algal protein source in an amount totaling 15-30% w/w of the composition; algae in an amount totaling 3-15% w/w of the composition; an exogenous protease totaling 0.01-0.1% w/w of the composition; and an oil heterologous to the algae in an amount totaling 0.5-15% w/w of the composition. The present invention also relates to an animal feed supplement, methods of feeding an animal, methods of improving the feed efficiency of an animal, and an improvement to an animal feed.

The invention discloses a method for co-producing algal polysaccharide and algal protein from alga. The method comprises the following steps of 1, preprocessing raw materials; 2, extracting and purifying the algal protein; 3, extracting and purifying the algal polysaccharide. The obtained algal polysaccharide and algal protein are directly extracted from the alga in one step, and therefore the utilization rate of the alga is dramatically improved.

The invention relates to a microalga screening method, and concretely relates to a freshwater microalga and an application thereof. A microalga strain is a freshwater microalga strain Didymogenes sp. HN-4, is preserved on Oct. 24, 2013, and has a preservation number of CGMCC No.8401. The microalga strain is used for producing oil, biodiesel, algal proteins, fatty acids or biomasses. The invention also discloses growth conditions and oil contents of the microalga strain under different medium components. The application of the microalga provides an environmentally-friendly cheap technology for producing biodiesel and reducing insect pests of microalgae.

The invention relates to an algal protein peptide with ACE inhibition and antioxidant functions and a preparation method of the algal protein peptide. An amino acid sequence of the algal protein peptide with the ACE inhibition and antioxidant functions is LEILDGDIVR, SLIDLLK, and GDFGIVSVGR, and peptides with the amino acid sequence of LEILDGDIVR, SLIDLLK, and GDFGIVSVGR account for 60% to 68% ofthe total amount. The preparation method of the algal protein peptide with the ACE inhibition and antioxidant functions is characterized in that the preparation method comprises the following steps that 1, an arthrospira protein solution is prepared; 2, protein allosteric is conducted; 3, first step enzymolysis is conducted; 4, second step enzymolysis is conducted; 5, a separation solution is prepared; 6, secondary ultrafiltration separation of protein peptides is conducted; 7, first elution is conducted; 8, second elution is conducted; and 9, constituents of a second section of spirulina powder are determined

The invention relates to a method for preparing water-soluble scar repairing seaweed paste by using seaweed extract, adding seaweed into a reaction kettle filled with water and organic solvent, adding a wetting and penetrating agent after beating, soaking and extracting, and recovering by low-temperature and low-pressure distillation Part of the organic solvent, and finally get the seaweed residue and seaweed extract by means of pressure filtration. The seaweed extract, pharmaceutical grade polyvinyl alcohol solution and nutrient repairing substances are mixed according to a certain mass ratio and stirred evenly. The obtained product is water-soluble scar repair seaweed paste. Seaweed is rich in seaweed protein, seaweed polysaccharide, alginic acid, trace elements and vitamins, which can supplement skin nutrition, promote blood circulation, exfoliate, accelerate skin metabolism, and make skin smooth and elastic.

The invention relates to a shaped vegetarian meat product comprising:

• a) 30-80 wt. % water;
• b) 5-35 wt. % oil, said oil having a solid fat content at 20 degrees Celsius (N₂₀) of at least 1.5%;
• c) 2-25 wt. % protein selected from algal protein, bacterial protein, dairy protein, egg protein, fungal protein, plant protein, and combinations thereof;
• d) 0-40 wt. % of one or more particulate ingredients selected from herbs, spices, vegetables and combinations thereof;

wherein the vegetarian meat product contains at least 4 vol. % of oil droplets having an equivalent spherical diameter in the range of 100 micrometer to 1,000 micrometer as determined by means of micro computed tomography.

This shaped vegetarian meat product has a very attractive juicy appearance and texture.

A water-soluble organic fertilizer is provided. Raw materials of the water-soluble organic fertilizer include an A component and a B component. The A component includes seaweed protein, composite amino acids, chitin, sea asparagus, peanut powder, pigeon manure, fish bone meal, black bamboo powder and glutathione. The B component includes papain, basic cellulase, N-acetylmuramide glycanohydrolase and triacylglycerol acylhydrolase. The water-soluble organic fertilizer is applied for planting ornamental pepper, and is capable of greatly increasing the yield, reducing the rate of foot rot of the ornamental pepper, shortening color conversion time, and harvesting high-quality fruits.

The invention discloses a drying device for algal protein feed preparation, relates to the technical field of feed preparation and aims to improve an existing drying device so as to improve the dryingquality of the existing drying device. According to key points of a technical scheme of the drying device, a plurality of conveying belts are arranged in the horizontal direction in a drying box, theconveying belts are distributed in the vertical direction, the conveying directions of every two adjacent conveying belts are opposite, the conveying belts which perform conveying clockwise deflect leftwards, and the conveying belts which perform conveying counterclockwise deflect rightwards; compression rollers are arranged above each conveying belt, the rotating linear velocity of the compression rollers is equal to the conveying velocity of the conveying belt, and scraping plates located below ends of the conveying belts are arranged in the drying box; and an air supply pipe used for supplying air from a feeding port to a discharging port is arranged in the drying box, and a heating pipe is arranged at one end, close to the feeding port, of the air supply pipe. The drying device achieves the effect of improving the drying quality.

The invention discloses a method for directly extracting seaweed protein by subcritical water extraction equipment. According to the method, the subcritical water extraction equipment is adopted to extract seaweed protein, subcritical water is taken as an extraction agent, extraction is performed in a closed, oxygen-free and high-pressure container according to the principle that the similar organic substance is more likely to be dissolved by each other, and the seaweed protein is obtained. The method is green, environment-friendly, low in cost and high in extraction efficiency, the process of the extraction method is simple, the production period is short, activity of extractive matter is reserved and is not damaged or oxidized, and antioxidant activity of the extracted seaweed protein is high and is remarkably better than that of protein obtained through combination of repeated freezing and thawing and ultrasonic homogenizing.

The invention relates to a method for utilizing seaweed extract for preparing whitening and freckle removing seaweed paste. According to the method, seaweed is cleaned and added into a reaction kettle containing a mixture of water and organic solvent, after high-speed stirring and pulping are carried out, a wetting penetrating agent is added, soaking extraction is carried out, some organic solvent is recovered by means of low-temperature and low-pressure distillation, seaweed residues and seaweed extract are obtained in a filter-pressing mode, the seaweed extract, a surfactant, a moisture preserving agent, a pearling agent and a whitening and freckle removing nutrient substance are mixed according to a certain mass ratio, and stirred uniformly to obtain the whitening and freckle removing seaweed paste. The seaweed rich in abundant protein, seaweed polysaccharides, seaweed acid, microelements and vitamins can supplement nutrition of skin, promote blood circulation, remove cutin, accelerate metabolism of the skin and make the skin smooth and elastic.

The present invention relates to a method for processing fresh algae at ambient temperature by subjecting algae to an osmotic shock and treating the disrupted algae with an enzyme composition comprising cell wall degrading enzymes. This gentle process at ambient temperature allows for the isolation of algal protein which has good solubility, also in the presence of salt and good foaming, emulsifying and water binding properties. Another advantage is that this method of protein isolation allows for cascaded biorefinery, since protein isolation may be followed by a treatment of the remaining biomass with carbohydrate degrading enzymes to produce clean biogas in high yields and a mineral rich water stream in anaerobic digestion.

The invention relates to a method for preparing whitening and freckle removing seaweed cleanser from seaweed extract.Seaweed is cleaned and added into a reaction kettle containing a mixture of water and an organic solvent, a wetting agent is added after pulping, soaking extraction is carried out, a part of the organic solvent is recovered by means of low-temperature low-pressure distillation, seaweed residues and the seaweed extract are obtained in a filter pressing mode lastly, the seaweed extract, a surfactant, a pearling agent and whitening and freckle removing nutrients are mixed according to a certain mass ratio and stirred to be uniform, and the obtained product is the whitening and freckle removing seaweed cleanser.Seaweed contains a large quantity of seaweed protein, seaweed polysaccharides, alginic acid, microelements and vitamin, and can supplement nutrients to skin, promote blood circulation, remove cutin, accelerate metabolism of the skin and make the skin smooth and elastic.

The invention discloses a fish oil product with health-care effect. The fish oil product comprises the following components: fish oil, vitamin A, vitamin D, zinc citrate, algal protein, purified water and gelatin, and the fish oil product is prepared by four steps of weighing, stirring and mixing, soft capsule preparation and pelleting; the fish oil, the vitamin A, the vitamin D, the zinc citrate and the algae protein powder are first prefabricated materials; the purified water and the gelatin are second prefabricated materials; and weight parts of the fish oil, the vitamin A, the vitamin D, the zinc citrate, the algae protein powder, the purified water and the gelatin are 150 to 300 parts, 50 to 120 parts, 30 to 50 parts, 40 to 60 parts, 200 to 300 parts, 100 to 250 parts and 150 to 200 parts respectively. The fish oil product belongs to a health product for promoting the development of adolescents, not only can promote development of the teenagers and facilitate absorption of vitamin A, but also has effects of strengthening bodies, improving immunity, concentrating attention and spirit, enhancing memory and the like, and is suitable for being eaten in the development period.

The invention relates to a method for preparing a high catalytic efficiency-type light-cured white solder-resist ink material, which belongs to the technical field of an ink material. The technical scheme of the invention adopts algae to extract photosensitive protein, under the irradiation of appropriate light, the algae protein molecules are excited by absorbing a certain amount of energy, the excited algae protein molecules have poor stability, and need to emit particles and energy to return to an unexcited ground state, at the same time, the technical scheme of the method fully modifies and fills the algae protein by using plant white pigment, the exposure intensity and the sensing property of the algal protein to the white light can be improved, and the reaction performance of the inkmaterial for preparing the white solder-resist ink material can be improved; and the method overcomes the problem of difficult solidification of a white system by using a white plant source pigment modified photosensitizer material, the strong reflection effect of white to light is reduced, the intensity of the ultraviolet light received in the system is greatly enhanced, so that the white coating is completely cured, especially the deep curing of the coating, and a high-efficiency photoinitiating system is prepared.

The invention discloses a novel freshwater oil production microalgae species and a culture method and application thereof, the microalgae strain is Didymogenes chengda CDU-W13, the preservation time is December 3, 2021, and the preservation number is CCTCC (China Center For Type Culture Collection) NO: M20211536. The microalgae provided by the invention can effectively remove nitrogen, phosphorus and other substances in wastewater, can be used for treating wastewater, can be cultured in wastewater, and is low in culture cost; the microalgae strain disclosed by the invention has relatively high biomass yield (36 mg.L <-1 > day <-1 >) and grease content (46.3% dw), so that the microalgae strain has relatively high grease yield (16.67 mg.L <-1 > day <-1 >); the microalgae strain disclosed by the invention can be used for producing biodiesel, can also be subjected to large-scale culture, and is applied to wastewater treatment and production of other valuable compounds, such as production of grease, biodiesel, algal protein, fatty acid and the like.