301results about "Protein composition from waste materials" patented technology

A process for preparation of nutritionally upgraded oilseed meals which are protein and lipid-rich and have a reduced fiber content, and plant oils from oilseeds for use in fish or other non-human animal diets or human foods comprising the steps of: providing a source of oilseed; subjecting the oilseed to heat treatment to substantially reduce the concentration of at least some antinutritional components normally present in the oilseed to obtain heat-treated seed; dehulling the heat-treated seed to produce a meat fraction, a hull fraction or a mixture thereof; and cold pressing the meat fraction or the mixture to yeild the plant oils and the protein and lipid-rich meals.

A method is provided for improving the nutritional quality of a fibrous by-product or residue of a food manufacturing process, wherein the fibrous by-product or residue is inoculated with at least one filamentous fungus, and the fibrous by-product or residue is fermented thereby to decrease dry matter content, increase protein content, and decrease fat content of the by-product or residue. Suitable byproducts or residues include spent brewer's grains, dried distiller's grains, dried distiller's solubles, distiller's dried grains with solubles, residues of the cereal processing industry, wheat bran, soybean hulls, citrus pulp, beet pulp, rice husks or hulls, bagasse, apple pommace, and combinations thereof. Enzymes produced during the fermentation may also be used as valuable coproducts such as animal feed supplements, or may be used in primary fermentations for the brewing and distilling industry.

An improved process for obtaining value added by-products from an ethanol production whole stillage is disclosed wherein the whole stillage is mixed with additives to form a nutrition enriched product stream that is subsequently dried to produce a nutrition enriched product having a water content of less than 12% by weight. In a preferred embodiment the whole stillage is obtained from a ethanol production process that has utilized a corn flour as the starting feedstock. The corn flour is then hydrolyzed along with added vitamins and/or nutrients and/or enzymes. The hydrolyzed product is then preferably mixed with a soy hull flour, also preferably having a median particle size of less than about 100 microns, and subjected to conventional fermentation conditions to produce an ethanol containing product. The ethanol-containing product is then distilled to produce an ethanol enriched steam and the separate whole stillage to be used as the feedstock.

The present invention is directed to processes and business methods and wastewater treatment units for converting the waterborne residuals from wastewater generated by food processing plants into an ingredient suitable for use in animal feeds. The ingredient produced by the processes of the present invention has a high protein content and can be used as a replacement for conventional sources of animal feed protein such as fish meal.

A process and system for recovering protein and lipid from food animal byproducts, and the products thereof, involves homogenizing animal byproducts with water to form a homogenate, solubilizing the homogenate by adjusting the pH of the homogenate to form a first pH adjusted composition, separating the first pH adjusted composition forming a light fraction containing lipids (oil), a medium fraction containing protein in solution, and a heavy fraction containing fat-free impurities, separation by first centrifugation, adjusting the pH of the medium fraction to about the isoelectric point of the proteins thereby precipitating the medium fraction forming a second pH adjusted composition, and separating the second pH adjusted composition forming a light fraction containing water and a heavy fraction containing precipitated proteins. The water may then be recycled and used in the homogenization of further byproducts.

A film-forming collagen concentrate is provided containing at least 18% by weight dry matter. At least 50% by weight of the protein of a homogeneous suspension produced from the concentrate in a 0.15 molar aqueous sodium dihydrogenphosphate buffer having a pH of 7 and a calculated dry matter fraction of 0.5% by weight may be separated as sediment by 15 min centrifugation at 1780 RFC and 15° C. A process is also disclosed for producing a collagen-concentrate-containing food casing that includes (a) producing an aqueous collagen mass; (b) concentrating the aqueous collagen mass until it has a solids fraction of 18% by weight or more; (c) admixing the concentrate with dilute acid to obtain a (co)extrudable or castable collagen mass; (d) coextruding or casting the collagen mass to from a casing; (e) solidifying the casing and, optionally, (f) drying the casing.

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.

A food for improving motor function comprising as effective components carnosine and/or anserine and a material for improving motor performance (a material for motor energy source, a material for promoting conversion into energy and/or an antioxidant) is provided. In the invention, by synergistic effect of these components, the motor function or stamina can be improved and recovery from fatigue can be promoted in humans and mammals. Further, any of the effective components of the food for improving motor function of the invention is a naturally occurring component, therefore, the food has a characteristic of high safety.

The apparatus of the present invention is useful for recycling protein waste and producing fuel from protein waste. Waste is ground by a grinding means and digested by a enzyme digest medium composed of enzymes, preservatives, and inedible egg. The ground proteins are digested with the enzyme in recirculated digest tanks. Fat can be collected from the tank by addition of acid and separation of fat from water with a centrifuge. Alternatively the ground protein and enzyme can be fermented and gas collected from the digest tank in a pressure tank with a compressor. The protein solubles are emulsified, separated from water, and extruded before drying. Either fat or gas can be used to fuel a dryer. The dried proteins are then milled in a hammer mill and screened for uniform size.

The present invention provides industrial scale expanded bed adsorption process for fractionation and isolation of bio-molecules from fluids, preferably proteins from milk and whey, in a cost-effective manner. This is accomplished by operating the expanded bed column at high temperatures of at last 40° C., combined with applying flow rates greater than 1.500 cm/hour.

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 discloses a method for utilizing various vinasse for preparing albumen powder and polypeptide powder. The method belongs to the technical field of vinasse treatment, and comprises the following steps of (1) pretreating the vinasse; (2) carrying out enzymolysis and enzyme deactivation; (3) carrying out microbial fermentation; (4) concentrating and washing a material with water; (5) carrying out secondary enzymolysis after size mixing; (6) carrying out solid-liquid separation after enzyme deactivation; (7) drying: obtaining the finished products, i.e. the albumen powder and the polypeptide powder after drying the material, wherein the proportion of polypeptide molecular weight distribution in 500 to 1500 Da is larger than 80 percent. The product can be used as a protein nutrition supplementary in food, wherein the polypeptide powder is fully soluble; the product can be used as a protein source in a protein beverage. The method provided by the invention utilizes synergism of fermentation and enzymolysis on the various vinasse, so that the problem of deep processing and utilization of the vinasse in the wine-making industry is solved, and the utilization value of the vinasse is improved.

A method for processing thin stillage (TS), characterized by the following steps: a) feeding of thin stillage (TS) into a working vessel (3); b) concentrating of thin stillage (TS) in a filtration unit (9); and c) returning of a first substream of concentrated thin stillage to the thin stillage (TSI) present in the working vessel (3) in order to adjust the solids content, and apparatus for producing a protein-containing product of value.

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%.

Example embodiments provide an apparatus that is useful for recycling protein waste and producing fuel from protein waste. Waste is ground by a grinding means and digested by a enzyme digest medium composed of enzymes, preservatives, inedible egg and or a waste fluid that may include other protein sources with or without fat. The ground proteins are digested with the enzyme in recirculated digest tanks. Fat can be collected from the tank by addition of acid and separation of fat from water with a centrifuge. Alternatively the ground protein and enzyme can be fermented and gas collected from the digest tank in a pressure tank with a compressor. The protein solubles are emulsified, separated from water, and extruded before drying. Either fat or gas can be used to fuel a dryer. Example embodiments provide a highly digestable paletable food stuff from protein waste which is usable for pet, livestock, or an aquaculture diet.

The invention discloses a method for preparing semen cannabis protein powder from degreased semen cannabis residue, relating to the technical field of development and application of semen cannabis. The method comprises the steps of with degreased semen cannabis residue as a raw material, carrying out hot water protein extraction, filtrating, concentrating filtrate, and drying under the assistance of a drying aid to obtain the semen cannabis protein powder. According to the method, hot water is used as an extractant to improve the extraction efficiency of semen cannabis protein; as impurities such as an organic solvent and a acid-base reagent are not added, the extracted semen cannabis protein is not required to be purified, and the remaining semen cannabis residue is not polluted and can be used for preparing byproducts such as feeds or fertilizers, and therefore, the comprehensive utilization value of the semen cannabis is improved.

A process for preparing the vegetative protein from the seed dregs of Jatropha curcas tree, which are generated by squeezing oil, includes such steps as diluting the seed dregs by water, adding modifier (the mixed solution of H2O2 and NH4OH), heating to 100-120 deg.C and detoxicating reaction. Said vegetative protein can be used as the additive of feed.

The present invention relates to the technical field of health-care food and discloses a preparation method of peony seed polypeptides. The preparation method comprises the following steps: defatted peony seed meal is crushed; then the peony seed meal powder is freeze-dried; then the freeze-dried peony seed meal powder is mixed with water uniformly; the mixture is homogenized to prepare a peony seed meal mixture; then cellulase is added for enzymatic hydrolysis to prepare a peony seed meal enzymatic hydrolysate 1; then a mixed enzyme solution of Alcalase enzyme and papain is added for enzymatic hydrolysis to prepare a peony seed meal enzymatic hydrolysate 2; the peony seed meal enzymatic hydrolysate 2 is subjected to high temperature enzyme deactivation; then a solid-liquid separation is conducted to prepare a peony seed polypeptide solution; and the peony seed polypeptide solution is concentrated and dried to obtain the peony seed polypeptides. The freeze-drying technology is firstlyused to conduct wall-breaking of the peony seed meal raw materials; then the cellulase is firstly used to remove binding of proteins by other substances in the peony seed meal; and finally the appropriate mixed enzymolysis combination of the Alcalase enzyme and papain are used to conduct the high-efficiency enzymolysis to obtain the high-yield peony seed polypeptides. At the same time, the used proteases are small in number; and the whole technology is simple and short in time-consuming.

The invention relates to the technical field of food processing, in particular to a method for preparing flax seed gum, flax lignan, flax dietary fibers and flax protein powder, and a processing method of flax seeds. The processing method comprises the following steps of performing cold pressing on flax seed raw materials to obtain flax seed meal, and performing subcritical extraction to obtain residual oil; then performing extraction on oil meal obtained after subcritical extraction through an ultrasonic extraction technique to obtain the flax seed gum; performing cold extraction on oil mealraw materials after flax seed gum extraction with solvents to obtain the flax lignan; performing extraction on the materials after cold extraction so as to obtain the flax dietary fibers; and finallyperforming crushing and screening on the protein materials after extraction of the flax dietary fibers so as to obtain flax protein powder. In the processing course, the flax seeds are used as initialraw materials, and all nutrient health-care medical components of the flax seeds and other objects having economical added value are totally refined and processed out; and through the processing technology method, the extraction requirements of various components are met, and the utilization efficiency of nutrient components of the flax seeds is greatly improved.

The invention discloses a method for extracting selenoprotein from selenium-rich rice bran. The method comprises the following steps of performing ultrasonic extraction on fresh selenium-rich rice bran powder and a prepared extraction solution in an ultrasonic washing machine; then performing decoloring and performing centrifugation for precipitation; adjusting isoelectric points with citric acid, and performing centrifugation for collecting precipitate; removing impurities with a dialysis bag; and finally, performing freeze drying so as to obtain the selenoprotein. According to the method disclosed by the invention, a manner of reducing extraction and performing acid precipitation improved, so that selenoprotein is obtained, and the protein extraction rate is 80% or above; and the extracted selenoprotein is few in impurities, the protein content is as high as 80-95%, and the selenium content of the selenoprotein is as high as 0.50-0.58mg/kg. The method is simple and convenient, conditions are mild, the production technology is simple, industrial popularization is easy and the method has high utilization value.