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359results about "Food ingredient as pH modification agent" patented technology

Preparation method of high oil loaded nutrition lipid micro-capsule powder with tolerance to mechanical stirring

The invention provides a preparation method of high oil loaded nutrition lipid micro-capsule powder with tolerance to mechanical stirring. The preparation method comprises the following steps: adding protein type wall materials into water, stirring for dissolving the materials at 40-70 DEG C, adjusting the pH of an obtained solution to 7.0-12.0, reacting under the condition of 40-70 DEG C for 0.5-4 hours, adding sugar type wall materials and a stabilizing agent into an obtained reaction solution, and stirring for dissolving, thereby obtaining a water phase solution; adding an antioxidant and an emulsifier into nutrition lipid type core materials, and stirring for dissolving at 40-70 DEG C, thereby obtaining an oil phase solution; and mixing the water phase solution with the oil phase solution, emulsifying and homogenizing, and spray-drying, thereby obtaining the micro-capsule powder. The content of total fat in the micro-capsule powder reaches up to 60%-85%, and the content of surface oil in the micro-capsule powder is lower than 5%. The micro-capsule powder has tolerance to mechanical force, is good in self-emulsifying capability, can be dissolved to form uniform and stable fine emulsion without floating particles and sediments, can be applied to the field of food, and can be added to food such as bread, cookies, nutrition bars and milk products and also be taken as solid granules.
Owner:INNOBIO CORP LTD

Chinese wolfberry fruit probiotics drink and preparation method thereof

The present invention provides Chinese wolfberry fruit probiotics drink and a preparation method thereof. The method comprises the following steps: fresh Chinese wolfberry fruits are used as a raw material and a traditional Chinese wolfberry raw juice is prepared; a sugar to alkali ratio of the Chinese wolfberry fruit raw juice is adjusted and the weak acidic or neutral Chinese wolfberry fruit raw juice at a pH of 6.5-7.0 is prepared; the weak acidic or neutral Chinese wolfberry fruit raw juice is sterilized at a high temperature; and probiotics are inoculated in the sterilized weak acidic or neutral Chinese wolfberry fruit raw juice to conduct a fermentation. The total number of the viable bacteria in the Chinese wolfberry fruit probiotics drink is as high as 80 billion CFU / 100 mL. On the basis of completely preserving the nutritional contents of the Chinese wolfberry fruits, the Chinese wolfberry fruit probiotics drink can effectively improve human body intestinal tract microflora structure, achieves the effects of regulating, strengthening and clearing intestines, and thus promotes the effective absorption of the Chinese wolfberry fruit nutrients. In addition, during the fermentation process, glycoside substances in the traditional Chinese wolfberry fruits are transformed into more biologically active aglycone substances, and thus the preparation method further improves the absorption effects of the Chinese wolfberry fruit nutrients and avoids the situation of ''internal heat'' caused by an accumulation of nutrition.
Owner:宁夏沃福百瑞枸杞产业股份有限公司

Fermented yellow serofluid beverage rich in aglycone isoflavones

The invention belongs to the field of food fermentation, and proposes a fermented yellow serofluid beverage rich in aglycone isoflavones. The beverage comprises a tofu yellow serofluid fermentation product, wherein the content of aglycone isoflavones in the fermented yellow serofluid beverage is 10-200 [mu]g*mL<-1>, and the aglycone isoflavones include daidzein and genistein. The invention also provides a preparation method of the fermented yellow serofluid beverage. The beneficial technical effects of the invention are as follows: probiotics with high isoflavone conversion efficiency are screened, and the glycoside isoflavones in the fermentation product are converted to the aglycon isoflavones to the greatest extent. The bioavailability of soy isoflavones in the yellow serofluid is improved, and flavoring agents and juice are added after the probiotic fermentation is completed so as not only to obtain the aglycone isoflavones to the greatest extent, but also to increase the rich nutrients in the juice. The fruit fragrance and the bean fragrance complement each other, and the beverage is mild and gentle in mouth fell and balanced and uniform in nutrients. The method provides a newmodel for developing functional beverages by using yellow serofluid.
Owner:OCEAN UNIV OF CHINA

Method for improving stability of blueberry anthocyanin

The invention provides a method for improving the stability of blueberry anthocyanin. According to the method, the blueberry anthocyanin purified by virtue of ADS-750 macroporous resin is taken as a raw material and is added with 10% preheated cow milk protein drying powder to form an anthocyanin stabilizer, so that the stability of the blueberry anthocyanin is improved in the processing and production processes; and citric acid is added to adjust the pH value so as to enable proteins to reach an isoelectric point, so that the proteins can play a role of a relatively good stabilizer. The cow milk protein drying powder is prepared by virtue of a low-temperature freeze drying method, and casein with the highest content in the cow milk protein drying powder can be taken as the anthocyanin stabilizer, has a special structure and is used for usually coating small molecule substances, so that the problem that anthocyanin in a traditional blueberry product is poor in stability in the processing and storage processes can be effectively solved; meanwhile, by adding cow milk protein, the nutrition of the blueberry product is greatly increased; and besides, by utilizing a non-thermal processing technique, the binding of the blueberry anthocyanin and the casein is relatively tight, the effects of killing bacteria and prolonging the guarantee period of the blueberry product can be achieved, and the operation process is safe, sanitary, simple, low in energy consumption and pollution-free.
Owner:SHENYANG AGRI UNIV

High-emulsification-performance yolk powder liable to be dispersed and preparation method thereof

The invention provides high-emulsification-performance yolk powder liable to be dispersed and a preparation method thereof, and solves the problems of bad dispersivity, low emulsification performanceand the like of yolk powder prepared by the prior art. The preparation method of the high-emulsification-performance yolk powder liable to be dispersed roughly comprises the following steps: (a) performing pulse-type ultrasound treatment on yolk liquid; (b) adjusting pH value of the yolk liquid, and carrying out low-temperature enzymatic hydrolysis treatment by using phospholipases; (c) adding a drying aid and an antioxidant, and carrying out homogenization and ultrasonic emulsification treatment; (d) carrying out dynamic high-voltage pulsed electric field sterilization treatment; and (e) carrying out granulation by performing low-temperature spray-drying so as to obtain the high-emulsification-performance yolk powder liable to be dispersed. The preparation method of the high-emulsification-performance yolk powder liable to be dispersed integrates the pulse-type ultrasound treatment technology, the low-temperature enzymatic hydrolysis technology and the ultrasonic ultrasonic emulsification technology in combination with the dynamic high-voltage pulsed electric field sterilization treatment and the low-temperature spray-drying treatment; namely, low-temperature treatment is adoptedfor the whole processes, and thus, stable structure of the yolk liquid is maintained to the maximum extent. Compared with common yolk powder, emulsification activity of the yolk powder prepared by applying the technical means is improved by about 33%; and emulsification stability of the yolk powder is 4 times of the emulsification stability of the common yolk powder. Moreover, the yolk powder alsohas good dispersibility.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY
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