342results about "Protein composition from vegetable materials" patented technology

Protein concentrates and protein isolates, in addition to processes for the production of protein concentrates and protein isolates, are disclosed. In particular, the disclosure relates to the removal of fiber from macroalgae and/or microalgae using low g-force centrifugation.

Plant anti freeze proteins can advantageously be incorporated into frozen confectionery products, provided they have the capability of limiting the growth of ice crystals

The present invention relates to a micro-particle for extending satiety and controlling blood glucose and lipid levels, comprising a core having the protein extract from sweet potato, an active ingredient layer coated on the core, and a protection layer coated over the active ingredient layer as an external layer, wherein the protein extract from sweet potato contains trypsin inhibitor and glycoprotein. The micro-particle comprising a protein extract from sweet potato can effectively extend satiety, control blood glucose and lipid levels and increase metabolism effectively.

The present invention describes a bio-based process to produce high quality protein concentrate (HQPC) by converting plant derived celluloses into bioavailable protein via aerobic incubation, including the use of such HQPC so produced as a nutrient, including use as a fish meal replacement in aquaculture diets.

The present patent relates to a method for producing flours from grain myceliated with macroscopic fungi (mushrooms). These flours can be used to prepare food for human consumption, such as bread and biscuits, and for animal consumption, such as fodder. Active principles (ergosterol, beta glucan, linoleic and oleic acids, lectins), enzymes, proteins, amino acids, vitamins, mineral salts, inter alia, can also be extracted from these flours for use in the chemical, foodstuff and cosmetic industries, for producing phytotherapeutic agents, pharmaceuticals, textiles, paper products, pharmaceuticals and fodder for animals.

Methods are disclosed herein to extract, concentrate and fractionate proteins and protein-associated complexes with other polymers from soybeans, peanuts, rape, canola, cottonseeds, peas, wheat and other plant materials, based on a principle of cryoprecipitation. The disclosed methods involve no or minimal uses of chemicals, and generate a minimal volume of waste streams. The resulting protein concentrates or isolates have excellent functionality, superior nutritional quality, attractive appearance and mild taste. Based on the sample principle of cryoprecipitation, methods also are also disclosed to extract and concentrate chemical components from living tissues, especially some nutraceutical or phytochemical components from plant materials.

The invention relates to a process for the removal of glycoalkaloids, in particular from process streams such as those encountered during isolation of proteins from potatoes.

The invention discloses a method for improving the solubility of potato protein by combining ultrasound with pH offset, and belongs to the technical field of protein modification. The method comprisesthe following steps: (1) peeling potatoes, dicing the peeled potatoes, and soaking the diced potatoes in a 0.12% sodium sulfite solution; (2) homogenizing the potatoes and standing for 15 minutes, centrifuging, taking a supernatant, regulating the pH value to 8.0, stirring and extracting at room temperature for 2 hours, centrifuging, taking a supernatant, regulating the pH value to 4.0, standingfor 1 hour, taking a precipitate, adding distilled water, redissolving, regulating the pH value to 7.0, and freeze-drying to obtain potato powder; (3) preparing a proper concentration of the obtainedpotato protein, and carrying out ultrasonic treatment; and (4) adjusting the pH value of the protein solution subjected to ultrasonic treatment in the step (3) to 12.0, maintaining the pH value for 1hour, and adjusting the pH value to 7.0 to obtain a modified potato protein solution. The modification method provided by the invention can greatly improve the solubility of the potato protein, and has very important significance for expanding the application field of the potato protein.

In order to overcome the defects in a seaweed protein extracting technology, by means of the microbial fermentation technology, the seaweed protein extracting rate and the water-soluble protein proportion are increased according to seaweed nutritional ingredient changes and the accumulation condition of essential amino acid, lactic acid and other useful metabolites, and therefore the nutritional value of seaweed protein is improved. Seaweed protein is prepared through a technology of compound enzymatic hydrolysis and multi-strain two-step liquid fermentation, multi-bacterium mixed fermentation is adopted, many gene functions in fermentation are added by means of combined strain fermentation, the complex metabolism effect difficult to complete by single strains is completed by combining different metabolic capacities, production efficiency is improved by mean of reciprocity and laterality between microorganisms, and a product is rich in seaweed protein, polypeptide, amino acid, probiotic, vitamin, polysaccharide and other nutritional ingredients.

The invention provides a method for extracting a tea protein product. The method specifically comprises the following steps of: 1) pretreating raw materials; 2) preparing tea protein through ultrasonic-assisted alkali extraction; 3) decolorizing a tea protein solution; 4) concentrating a tea protein extracting solution; 5) precipitating the tea protein; and 6) washing the tea protein, refining and drying. The method has the advantages that: tea residue or low-grade tea such as summer-autumn tea and the like is used as a raw material, and a low-frequency ultrasonic circulation technology is used for assisting in extracting the tea protein; by the method, the protein is high in extraction rate and has high purity; the method is low in cost, simple and practicable, and easy to popularize; and the obtained tea protein product has green tea color, and the quality of the product meets food hygienic standard. A novel way of value-added transformation and recycling of tea residue and summer-autumn low-grade tea is provided; and a novel botanical protein product is developed, and the comprehensive utilization and fine and deep processing of tea resources are realized.

The invention relates to the food field and particularly relates to nostoc sphaeroides nutrition powder as well as a preparation method and application thereof. The nostoc sphaeroides nutrition powder comprises the following components in parts by weight: 5-15 parts of soybean meal, 1-4 parts of whey protein powder, 0.1-1 part of dried nostoc sphaeroides, 1-5 parts of crude nostoc sphaeroides phycobiliprotein extract powder, 1-3 parts of dry nostoc sphaeroides polysaccharide powder and 1-5 parts of fruit powder. The preparation method of the nostoc sphaeroides nutrition powder comprises the following steps: uniformly mixing the components and grinding the components into fine powder, passing the powder through a 55-65-mesh sample separating sieve to obtain the nostoc sphaeroides nutrition powder. The nostoc sphaeroides nutrition powder which is prepared from nostoc sphaeroides and cereals as raw materials has a very high nutritive value and a health function, and can meet the needs of consumer groups in different age stages and body constitutions. The nutrition powder disclosed by the invention can be independently eaten and also can be applied to the food fields of rice flour, noodles, cakes, biscuits, bread, nutritious foods and the like.

A method for producing an assembly of at least one dairy protein and at least one vegetable protein, and the assembly obtained by the method. Also, the uses of the assembly, in particular in the food processing field.

The invention provides a technology for extracting high-purity potato protein through a hot flocculence method. At the significant end of the technology, small-granule starch and a fine-fiber mixture in potato starch processing and separation juice are separated, the purity and quality of the potato protein obtained through flocculence and separation at the final phase are improved, and meanwhile the phenomenon that heat exchange equipment and a pipeline are blocked due to starch dextrinization in the follow-up process is avoided; the potato protein is degenerated and flocculated through the hot flocculence method to be changed from the starch separation juice hydrosol body state into flocculence body solid to facilitate solid and liquid separation, the quality of the extracted protein is ensured, and meanwhile the physical flocculence method and the chemical flocculence precipitation method are used in a combined mode in cooperation with flocculence of chemical auxiliaries, so that the protein extraction rate and the protein separation effect are greatly improved, and the potato protein purity is improved. In addition, resource utilization of the potato protein is performed, more than 50% pollutant loads are reduced for follow-up sewage treatment, and the dual effects of resource utilization and pollutant control are achieved.

The invention provides a process for extracting yam mucoproteins from yams and belongs to the field of extracting functional biological macromolecular substances from natural materials to produce functional healthcare food. The extracting process comprises the main steps of (1) material selection; (2) leaching gelatinization; (3) enzymolysis; (4) standing; (5) adjustment of PH value; (6) flocculation; (7) precipitation; and (8) drying. The yield of the yam mucoprotein products prepared by the process is 4 to 5 percent, and the content of yam mucoprotein is 60 to 67 percent. According to the process provided by the invention, the organic solvent extraction in the prior art is replaced by the flocculation and natural precipitation, so the product cost is greatly saved, the environmental pollution is lowered, and the process has great significance for actual production.

The invention provides a method for extracting yellow mealworm active proteins by using an alkali-enzyme method, comprising the following steps: drying fresh yellow mealworm larvae to obtain dried yellow mealworm larvae of which the moisture content is lower than 5%, and smashing the dried yellow mealworm larvae; carrying out secondary digestion by taking petroleum ether of which the relative density is 0.64-0.66 as an extraction solvent; carrying out digestion with a 0.08-0.10mol/L NaOH solution; regulating the pH value to 7.0-7.5, carrying out enzymatically hydrolyzed extraction at a temperature of 55-60 DEG C by complex enzyme which is composed of neutral protease and papain at the mass ratio of 1:1-1:1.5; destroying enzyme; and centrifuging and dialyzing to obtain yellow mealworm protein powder. The yellow mealworm protein powder has the advantages of light yellow color and luster, beauty, fragrant odor as well as fine and smooth taste; and the protein content of the yellow mealworm protein powder reaches 94.5% and the extraction efficiency of the yellow mealworm protein powder reaches 75%.

The invention relates to a making method of a high-organic selenium cardamine violifolia selenium polypeptide. The making method comprises the following steps of: S1, performing pretreatment on a rawmaterial: selecting dried cardamine violifolia powder as a raw material for production, performing soaking with ethano for decolorization, performing filtering for removing impurities, and then performing pretreatment with a mixture of cellulolytic enzymes and pectinase to obtain an enzymatic hydrolysate for standby application; S2, performing double-enzyme composite enzymolysis: firstly adding alkaline protease in a supernatant after pretreatment in step S1 for enzymolysis, performing enzyme deactivation, performing cooling to 50 DEG C, adjusting the pH with hydrochloric acid to 6.0-8.0, adding neutral protease, and performing enzymolysis to obtain an enzymatic hydrolysate; and S3, performing enzyme deactivation and peptide solution separation: boiling over the enzymatic hydrolysate to achieve enzyme deactivation, and performing standing to obtain a clear transparent peptide solution in the lower layer. The making method disclosed by the invention has the advantages that the cardamineviolifolia is used a core raw material, and the cellulolytic enzymes and the pectinase are used for pretreatment before enzymolysis, so that the impurities in the cardamine violifolia are effectivelyremoved and the protein extraction rate of the cardamine violifolia is increased; and then a multi-step double-enzyme enzymolysis method is used for enzymolysis, the content of the selenium polypeptide is higher, and the molecular weight of the selenium polypeptide is smaller.

The invention belongs to the technical field of food, and in particular to a preparation method of mulberry leaf protein powder. The preparation method comprises the following steps: raw material pretreatment, superfine grinding, extruding for swelling, enzymatic extraction, alkali dissolution on protein, acid precipitation on protein, enzymolysis solubilizing, and drying to obtain mulberry leaf protein powder with high solubleness. According the preparation method, superfine grinding is combined with the extruding for the swelling, and is assisted by enzymolysis wall-breaking and enzymolysis solubilizing, so that the extraction rate of the protein is increased; the solubleness of the protein is greatly improved; the extraction rate of the protein is over 70%; the content of the protein in the obtained mulberry leaf protein powder is over 75%; the protein is good in solubleness; the nitrogen solubility index (NSI) is over 90%; and the mulberry leaf protein powder obtained by adopting the process disclosed by the invention is good in sensory quality, high in protein content, and good in solubleness, and can be used as a functional food material.

The present disclosure relates, according to some embodiments, to methods and systems for purifying proteins and carbohydrate rich products from photosynthetic aquatic species and compositions thereof. For example, one embodiment of the present disclosure relates to methods and systems for purifying proteins the present disclosure relates, in some embodiments to methods and systems for extracting proteins, dry biocrude, and carbohydrate-rich meal from Lemna. In some embodiments, a method of treating a biomass comprising a microcrop (e.g., Lemna) to produce a product comprising soluble microcrop protein may comprise: (a) lysing a first portion of the biomass to form a first portion of lysed biomass; (b) separating the first portion of lysed biomass to generate a first portion of a juice fraction and a first portion of a solid fraction; (c) separating the first portion of the juice fraction to generate a first portion of a first juice and a first portion of a first cake, wherein the first juice comprises a soluble microcrop protein; and/or (d) filtering the first portion of the first juice to generate a first portion of the product comprising soluble microcrop protein and a reject stream.