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268results about "Bakery product preservation" patented technology

Methods of preparation and using antimicrobial products

Novel antimicrobial products and methods of making and using the same are shown, whereby the products can be used in the same or greater percentages as conventional microbial growth inhibitors without imparting an off-flavor, taste, color or odor to the products in which they are used. The antimicrobial products are formed by reacting azodicarbonamide or an ammonia gas with a compound selected from the group consisting of benzoic acid, sodium benzoate, calcium benzoate, potassium benzoate, acetic acid, sodium diacetate, paraben, niacin, calcium acetate, calcium diacetate, citric acid, lactic acid, fumaric acid, sorbic acid, sodium sorbate, calcium sorbate, potassium sorbate, propionic acid, sodium propionate, calcium propionate, potassium propionate and mixtures thereof. In one embodiment, the product is prepared by placing a layer of azodicarbonamide on a substrate and covering the layer with a gas permeable separator. The antimicrobial compound is then added on top of the separator, and the combination is heated to form the final product. In another embodiment, the product is prepared by exposing the antimicrobial compound to an ammonia gas. The ammonia gas reacts with free acids in the antimicrobial compound to convert the free acids into ammonium salts, thereby eliminating off-flavor and off-odor of the resulting antimicrobial product. The antimicrobial products prepared according to the present invention are suitable for use in foodstuffs, sanitation products, cosmetics, pharmaceuticals, and so forth.
Owner:TILLIN

Antiaging method for rice product-mashu

The invention provides an anti-aging method for deep-fried glutinous rice cake stuffed with bean paste, which belongs to the technical field of agro-product processing and food additive. The invention mainly relates to preparation of an anti-aging compound emulsifying agent and anti-aging application of the compound emulsifying agent and an enzyme agent to the deep-fried glutinous rice cake stuffed with bean paste. In the invention, glutinous rice flour is taken as a main raw material, certain amount of the compound emulsifying agent, the enzyme agent, sugar and water are added, and the product, namely deep-fried glutinous rice cake stuffed with bean paste is produced by stewing and forming processes. The compound emulsifying agent is mainly produced by an extrusion method. A plurality of powder emulsifying agents with good anti-aging effect is evenly distributed on the surface of starch particles. The compound emulsifying agent with good anti-aging effect is obtained by controlling extrusion parameters. The optimal adding amount of the compound emulsifying agent is between 0.2 and 3 percent. The enzyme agent mainly adopts maltose amylase with the adding amount of between 0.02 and 0.15g/kg. The adding amount of the water and the sugar is respectively 110 to 120 percent and 20 to 50 percent of the weight of the glutinous rice flour. Through adding the compound emulsifying agent and the enzyme agent, the deep-fried glutinous rice cake stuffed with bean paste has good anti-aging function, and ensures that the guarantee period is more than 60 months.
Owner:JIANGNAN UNIV

Preparation method and application of industrial hemp seed antioxidant peptide

The invention relates to a preparation method and application of industrial hemp seed antioxidant peptide. In the method, industrial hemp seed meal obtained after low-temperature oil extraction and a cheap and easily-obtained enzyme preparation are employed to prepare hemp seed protein antioxidant peptide zymolyte through enzymatic hydrolysis; the degree of hydrolysis is 15-20% and molecular weight distribution is 350-2000Da; the zymolyte is subjected to static or dynamic desalting by macroporous absorption resins, vacuum concentration and freeze drying to obtain industrial hemp seed protein antioxidant peptide. The obtained product has wide capability of scavenging free radicals. The invention has the advantages of simple sources of raw materials and process flow, high nutritive value, easy absorption by human bodies, strong capability of scavenging free radicals and capabilities of resisting fatigue and improving human body immunity; therefore, the product of the invention has broad application prospect, can be used as a nutrition enhancer, an additive in health products, beverages and cosmetics and an antioxidant in food and can be applied to the medical field.
Owner:THE QUARTERMASTER EQUIPMENT RESEARCH INSTITUTE OF THE GENERAL LOGISITIC DEPARTME +1

Dried fruit jam of layer cake for industrial production and preparation method and applications thereof

The invention discloses a dried fruit jam of a layer cake for industrial production and a preparation method and applications thereof. The jam comprises the following components: 20-35% of granulated sugar, 30-40% of high fructose corn syrup, 10-20% of d-sorbitol solution, 5-10% of modified starch, 2-8% of edible glycerol, 0.5-0.7% of composite colloid, 0.6-0.8% of composite chelate salt, 0.1-0.3% of citric acid and 2-5% of dried fruit. According to the dried fruit jam, the modified starch, the composite colloid, the composite chelate salt are evenly mixed, water is added and then the mixture is stirred for dissolving until no obvious particle exists to obtain slurry; the high fructose corn syrup, the d-sorbitol solution and the granulated sugar are stirred and mixed, the slurry is added and the mixture is stirred while being heated; the mixture is heated and pasted to volatilize water until the content of solid content is 80-82%; the edible glycerol is added and the mixture is evenly mixed and cooled to 85-95 DEG C; and the dried fruit and the citric acid solution are added and the mixture is evenly stirred to obtain the jam. According to the dried fruit jam, the water activity of the jam is below 0.45, the mouthfeel is smooth and fine. The jam does not stick to teeth and the melting degree in mouth is high. The gel-state jam has a low heating temperature and can conveniently industrially prepare layer cakes.
Owner:广州合诚实业有限公司

Preparation method of Nisin double layer microcapsule suitable for high temperature baking food

InactiveCN104472646AReduced loss of inhibitionOvercome the unfavorable factors of limited application rangeDough treatmentBakery product preservationHydrogenEmulsion
The invention relates to a preparation method of Nisin double layer microcapsule suitable for high temperature baking food. The preparation method of the Nisin double layer microcapsule suitable for the high temperature baking food includes: mixing Nisin and chitosan according to a mass ratio which ranges from 1:1 to 1:10 so as to obtain a solution, and then regulating PH (potential of hydrogen) of the solution to 2.5-7.5, adding Tween80 and PEG into the solution so as to emulsify the solution and obtain emulsion, and then slowly dripping a sodium tripolyphosphate solution into the emulsion so as to prepare chitosan microcapsule with the Nisin embedded under stirring functions, processing the Nisin chitosan microcapsule, and finally mixing and stirring the Nisin chitosan microcapsule and xanthan gum so as to obtain the Nisin double layer microcapsule, wherein a mass ratio between the sodium tripolyphosphate solution and the chitosan is 3:1-10:1. Compared with a free state Nisin product, the encapsulated Nisin product prepared by using the preparation method of the Nisin double layer microcapsule suitable for the high temperature baking food is strong in tolerance to PH, temperature and enzymes, can be processed along with food, and can not influence the fermentation process of fermented food, and high temperature and high pressure in processing can enable the Nisin double layer microcapsule to rapidly release the Nisin, and therefore influences of embedding wall materials on antibacterial effects of the Nisin are eliminated.
Owner:TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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