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592results about How to "Prevent corruption" patented technology

Fruit and vegetable jam and preparation method thereof

The invention discloses a fruit and vegetable jam and a preparation method thereof. The fruit and vegetable jam is characterized by being prepared from the following components: 50-99.8% of fruit and vegetable concentrated pulps, 0.01-0.5% of Sodium D-isoascorbate or vitamin C, 0.01-0.5% of citric acid and 0-49.8% of syrup or substitute sugar. The preparation method comprises the following steps:pulping or juicing fruits and vegetables, and then concentrating the pulped or juiced fruits and vegetables 0-10 times; evenly stirring the components in proportion, and sterilizing the components atthe temperature of 75-132 DEG C for 2 seconds-50 minutes; and cooling the sterilized fruit and vegetable pulp to 20-45 DEG C, inoculating lactic acid bacteria into the sterilized and cooled fruit andvegetable pulp at a ratio of 103-109 cfu/mL, and fermenting the pulp at the temperature of 25-45 DEG C for 6-96 hours until the pH value is 2.5-5.0. The method has the following characteristics: (1) obtaining natural tender tart flavor is obtained, the astringent flavor of the fruits and the wild artemisia flavor of the vegetables are effectively removed; (2) by means of lactic acid bacteria fermentation, the content of amino acid in the fruits and vegetables can be improved by more than 20%, the contents of substances with special flavor are improved by more than 30%, and the flavor and taste of products are effectively improved; (3) nutrient components in the fruits and vegetables, such as vitamins, dietary fibers and the like, in the fruits and vegetables are fully maintained; and (4) the quality guarantee period of food is prolonged, and corruption is avoided.
Owner:NANCHANG UNIV

Fermented tea beverage and preparation method thereof

The invention discloses a fermented tea beverage and a preparation method thereof. The fermented tea beverage is characterized by comprising the following components in percentage: 20-80% of tea extract, 0.01-0.5% of sodium D-isoascorbate or vitamin C, 0.01-0.5% of citric acid, 0-30% of syrup or substituted sugar and 0-79.98% of purified water; and fresh tea leaves are extracted to obtain the tea extract. The preparation method is characterized by comprising the following steps: uniformly stirring the components in proportion, and sterilizing at the temperature of 85-100 DEG C for 1-10 minutes; after the sterilization, cooling a tea slurry to 20-45 DEG C; inoculating lactic acid bacteria to the sterilized and cooled tea slurry based on a ratio of 10<3>-10<9> cfu/ml; and fermenting at 25-45 DEG C for 6-48 hours, wherein the fermentation ends when the pH value is 3.5-5.0. The invention has the following advantages: (1) natural gentle acidity can be produced to effectively remove the bitter of the tea juice; (2) by fermenting with the lactic acid bacteria, the content of the amino acid in the tea slurry can be increased by over 10%, flavor substances can be increased by over 30%, and the flavor and mouthfeel of the product are effectively improved; (3) nutrient components such as vitamin and the like in the tea leaves are fully maintained; and (4) the shelf life of food is prolonged, and spoilage is prevented.
Owner:NANCHANG UNIV

Breeding method for intermediate breeding of Anguilla marmorata fries

The invention provides a breeding method for intermediate breeding of Anguilla marmorata fries. The breeding method comprises the steps of intermediately breeding the Anguilla marmorata fries in a cement breeding pond in the early stage and breeding the Anguilla marmorata fries in an earthen pond in the later stage. A net box and water flow boosters are arranged in the process of intermediately breeding the Anguilla marmorata fries in the cement breeding pond in the early stage, and the Anguilla marmorata fries are bred in the net box, so that the metabolites of the Anguilla marmorata fries can be conveniently filtered and deposited, the survival environment is optimized, and the breeding survival rate is increased; the four water flow boosters are arranged at the four corners of the cement breeding pond, so that water flow circulates anticlockwise, a flowing water environment is created for the Anguilla marmorata fries, Anguilla marmorata can frequently move in the flowing water environment, the bait intake speed and the growth speed of the Anguilla marmorata are increased, and the survival environment of the Anguilla marmorata is optimized; the Anguilla marmorata fries are bred for 1-2 months in the cement breeding pond and fed with blood worms in the early stage and eel powder 7 days before leaving from the pond, after the Anguilla marmorata fries are fed with the eel powder, the Anguilla marmorata fries reaching 1 g per fry are transferred into a half mu (1 mu is 1/6 of acre) of the earthen pond for later breeding of the Anguilla marmorata fries, and the unqualified Anguilla marmorata fries are still concentrated in the cement breeding pond and continue to be fed with the blood worms; and during the process of breeding the Anguilla marmorata fries in the earthen pond, the Anguilla marmorata fries are mainly fed with the eel powder in the early stage and occasionally fed with the blood worms, all the Anguilla marmorata fries reaching 5 g per fry are fed with the eel powder, and the Anguilla marmorata fries reaching 10 g per fry are transferred into an Anguilla marmorata growing pond for breeding.
Owner:珠海市斗门区河口渔业研究所

Natural fruit and vegetable enzyme product

The invention discloses a natural fruit and vegetable enzyme product, and belongs to the technical field of fermentation. The natural fruit and vegetable enzyme product is prepared through a method comprising the steps that a lactobacillus agent with the mass being 0.2-1% that of fruit and vegetable raw materials and sugar with the mass being 0.3-1% that of fruit and vegetable raw materials are added into fruit and vegetable raw material pulp for fermentation for 6-10 h at the temperature of 20-25 DEG C, when the pH value is 4.7-5.3, lactobacillus plantarum CGMCC NO.11763 with the mass being 0.3-1% that of the fruit and vegetable raw materials and sugar with the mass being 0.1-0.5% that of the fruit and vegetable raw materials are added for fermentation for 20-40 h at the temperature of 25-30 DEG C, fermentation is finished when the pH value is 3.4-4.0, and sterilization or packaging storage and marketing are performed after filling is performed. The obtained natural fruit and vegetable enzyme product is sour, sweet, pure, good in taste and nutrition and high in functionality. The preparation method of the fruits and vegetables fermented through lactobacillus has the advantages that the fermentation method is adopted for processing, vitamins, dietary fiber and other nutritional ingredients in the fruit and vegetable raw materials are completely reserved, the sterilization strength is lowered, the food shelf life is prolonged, and rotting is avoided.
Owner:天津天绿健科技有限公司

Fermented tomato sauce and preparation method thereof

The invention discloses fermented tomato sauce and a preparation method thereof. The fermented tomato sauce is characterized by comprising 50 to 100 percent of tomato slurry and 0 to 50 percent of syrup or substitute sugar. The preparation method is characterized by comprising the following steps of: crushing and pulping unrotten and fresh tomato serving as a raw material, concentrating in vacuum until the concentration is 0 to 3 times the original concentration, uniformly stirring the components according to the proportion, and sterilizing at the temperature of between 85 and 132 DEG C for 2 seconds to 15 minutes; and cooling the tomato slurry to the temperature of between 20 and 45 DEG C, inoculating lactobacilli to the sterilized and cooled tomato slurry according to a proportion of 10<3> to 10<9>cfu / mL, fermenting at the temperature of between 25 and 45 DEG C for 24 to 84 hours, and finishing fermentation when the pH value is 2.5 to 4.0. The method has the advantages that: (1) natural soft sourness can be produced, and annual fleabane herb flavor in the tomato is effectively removed; (2) through lactobacillus fermentation, the content of amino acid in the tomato can be improved by over 20 percent, the content of flavor substances in the tomato can be improved by over 30 percent, and the flavor and mouthfeel of a product are effectively improved; (3) nutritional ingredients in the tomato raw material, such as vitamins, dietary fibers and the like, are fully kept; and (4) the shelf life of food is prolonged, and the food is prevented from being rotted.
Owner:NANCHANG UNIV
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