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70results about How to "Reduce rancidity" patented technology

Preparation method of white tea seed oil microcapsules

The invention discloses a preparation method of white tea seed oil microcapsules. The preparation method comprises the steps of drying white tea seeds until the water content is 15%, refining oil in an oil refining machine at 105 to 110 DEG C for 30 to 60 minutes, and filtering to obtain white tea seed oil; carrying out supercritical extraction on the filter residues to obtain a white tea seed extract; taking the white tea seed extract, Tween 60, cholesterol, soybean lecithin and ethanol as raw materials to prepare a white tea seed extract nano-liposome; taking the white tea seed extract nano-lipidosome and white tea rapeseed oil as core materials and maltodextrin and water-soluble wheat protein as wall materials, adding an auxiliary agent, and shearing in a shearing machine under normal pressure to obtain an emulsion; homogenizing the emulsion at 40 MPa, and performing spray drying to obtain powder, namely the white tea seed oil microcapsules. The original appearance characteristics of the tea seed oil are maintained. The long-term antioxidant effects of tea polyphenol, EGCG and the like are maintained. Grease rancidity is prevented. The nutritional value of grease is improved. The white tea seed oil microcapsules are convenient to store through microencapsulation.
Owner:茗汲(浙江)生物科技有限公司

Cereal powder dual-coated multi-preventive biological fresh keeping film and preparation method thereof

The invention relates to a cereal powder dual-coated multi-preventive biological fresh keeping film and a preparation method thereof. The inner layer of the film is composed of the following components in parts by weight: 80 to 100 parts of microencapsulated plant essential oil insect-proof mildew preventive, 5 to 10 parts of mildew-proof film forming agent, 2 to 5 parts of antioxidant, and 75 to 84 parts of dispersant. The middle support layer of the film is composed of the following components in parts by weight: 20 to 35 parts of low density polyethylene resin, 70 to 100 parts of low density linear polyethylene resin, and 1 to 3 parts of mildew preventive. The outer coating is composed of the following components in parts by weight: 10 to 15 parts of microencapsulation agent of garlicin and capsaicin, and 5 to 8 parts of adhesive. The inner layer and the outer coating are sprayed on the middle support layer to prepare the cereal powder dual-coated multi-preventive biological fresh keeping film. The biocontrol mechanism is utilized, biological source fresh keeping materials are used to prepare the dual-coated film with a mildew-proof function, the oxidation and slow release problems of the coating functional material are solved by a microencapsulation treatment; the activity of fatty acid oxidase is inhibited for a long time; and the film can prevent insects, mold, aging, and mice and can delay the rancidity of cereals.
Owner:天津市雅锋食品科技发展有限公司

Method for quickly stabilizing nutrient components of rice bran under assistance of low-temperature plasmas

The invention discloses a method for quickly stabilizing nutrient components of rice bran under the assistance of low-temperature plasmas. The method comprises the following steps: (1) weighing a certain amount of fresh rice bran subjected to impurity removal treatment, uniformly spreading the fresh rice bran on a bracket between two electrodes of a low-temperature plasma reactor with the thickness of less than 10mm, pumping the reactor by a rotary vacuum pump until the vacuum degree of the reactor is 0.04 mbar or below, wherein gas generated by the plasmas is air, coupling the electrodes to aradio frequency power supply with the frequency of 13-14 MHz, adjusting a support, and performing treatment under the condition of 20-60 W for 4-8 min; and (2) taking out the treated rice bran, cooling the rice bran to room temperature, packaging the rice bran, and storing the packaged rice bran in a dark place to obtain the rice bran with stable nutritional components. The method is energy-saving and environment-friendly, and can passivate lipase and peroxidase in the rice bran and reduce the content of free fatty acids on the premise of not destroying nutrient components of the rice bran, so that the effects of delaying oxidation of the rice bran and stabilizing the nutrient components of the rice bran are achieved.
Owner:NANJING UNIV OF FINANCE & ECONOMICS

Clean sauce flavored soy sauce and brewing technology thereof

InactiveCN110250487AReduced sauce productionReduce production processFood scienceFlavorAdditive ingredient
The invention discloses clean sauce flavored soy sauce and a brewing technology thereof. The clean sauce flavored soy sauce is characterized in that ingredients of the clean sauce flavored soy sauce are composed of, by weight, 40 parts of soybeans and 60 parts of flour, the soybeans are steamed with water and then mixed with part of the flour for brewing of the soy sauce, the rest flour is added with original soy sauce for secondary brewing, the optimal proportion of the soybeans to the flour is 4:6, soy sauce residues in soy source production is reduced by more than 80%, the quality of finished yeast is good, all the original light soy source is added with the flour for secondary fermentation after light soy sauce is brewed, and the obtained light soy sauce is more intense in flavor. The materials in a fermentation tank are mixed evenly by means of ventilating stirring, which is more beneficial to the mixing of the materials than the backleaching process, extraction technology is adopted in secondary brewing of the soy sauce, soy sauce outlet is higher, the integrity of soybean grains is ensured since the soy sauce leaching technology is adopted in the primary soy sauce fermentation, the leached fermented grains can be used in the production of bean paste after secondary solid fermentation, and production cost is saved.
Owner:济宁玉园酿造食品有限公司

Penis cervi honey bolus and preparation method thereof

The invention relates to a penis cervi honey bolus and a preparation method thereof. The penis cervi honey bolus is prepared from the following components in parts by weight: 4 to 6 parts of penis cervi powder, 2 to 5 parts of traditional Chinese medicine concentrated extract, 8 to 12 parts of black sesame powder, 18 to 20 parts of powder of rhizoma polygonati, 18 to 23 parts of powder of rhizomadioscoreae, 8 to 12 parts of powder of ginseng radix et rhizome, and 32 to 36 parts of medium honey, wherein the penis cervi powder is formed by processing penis cervi subjected to lipase enzymolysis.A preparation method of the traditional Chinese medicine concentrated extract comprises the following steps of feeding fructus lycii and mulberry fruit according to a weight ratio of 2:1, adding 6 to10 times of water, and extracting for at least two times by heating reflux, wherein the extracting time is 1 to 3h each time; filtering extracting liquids, combining the extracting liquids, heating in a water bath, and concentrating until the water content is 15%, so as to obtain the traditional Chinese medicine concentrated extract. The penis cervi honey bolus has the advantages that the warranty period is long, any side effect is avoided after taking, and the effects of invigorating the kidney and strengthening Yang, relieving physical fatigue, enhancing immunity, recovering body health, replenishing strength, strengthening the body, and avoiding deficiency for long are realized.
Owner:吉林海王健康生物科技有限公司 +1

Novel rhizoma polygonati wine and production process thereof

The invention relates to novel rhizoma polygonati wine and a production process thereof. The production process comprises the following steps: performing enzymolysis on traditional Chinese medicinal materials, performing diastatic fermentation, performing base liquor fermentation, adding edible alcohol for soaking, filtering, separating and the like. The wine provided by the invention takes the pure traditional Chinese medicinal materials with homology of medicine and food as raw materials and is safe and harmless to the human body; the wine meets the compatibility of the traditional Chinese medicinal materials, and has the effects of strengthening the spleen and stomach, reinforcing liver and kidney, nourishing yin and blood, regulating deficiency, calming the heart and tranquilizing themind and the like; by virtue of steps of filtration, beta-cyclodextrin debitterization and the like, bitterness is removed, and the taste is optimized. The innovation point is that by utilizing a manner of directly fermenting after performing enzymolysis on the traditional Chinese medicinal materials, the active ingredients in the medicinal materials are efficiently and fully released. Compared with the traditional health medicinal liquor, the novel rhizoma polygonati wine disclosed by the invention has the advantages that the production cycle is greatly shortened, the ingredients of the traditional Chinese medicinal materials are fully utilized, and the losses of nutritional ingredients are greatly reduced.
Owner:ANHUI NORMAL UNIV
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