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Preparation method for lactic acid bacteria goat milk powder
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A technology of lactic acid bacteria sheep and milk powder, applied in dairy products, milk preparations, applications, etc., can solve the problems of sensory quality decline, limited shelf life, post-acidification, etc., to solve the problems of easy death, high survival rate, and increase survival rate Effect
Active Publication Date: 2013-02-13
陕西美力源乳业集团有限公司
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[0003] However, before storage, transportation, sales and consumption of yogurt products, lactic acid bacteria will continue to grow and multiply slowly, resulting in post-acidification, resulting in a decline in sensory quality and limiting the shelf life
Some people use the spray drying method to process fermented milk into active lactic acid bacteria milk powder, which can effectively extend the shelf life, but in the spray drying process, due to the high temperature of spray drying, the survival rate of lactic acid bacteria will be reduced
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Embodiment 1
[0028] Taking 100kg of fresh goat milk used in the preparation of lactic acid bacteria goat milk powder as an example, the other raw materials used, their proportions and their preparation methods are as follows:
[0029] 1. Purification of raw goat milk
[0030] Filter fresh antibiotic-free fresh goat milk with an acidity of less than 13°T and a non-fat milk solid content of not less than 8.1% with a milk purifier or a 100-mesh sieve, and set aside.
[0031] 2. Add heat-resistant protective agent
[0032] Add 400g of trehalose, 500g of sodium glutamate, and 600g of glucose into the purified goat milk and stir evenly.
[0033] 3. Homogeneous
[0034] Heat the goat milk solution added with heat-resistant protective agent to 50-60°C, and homogenize at 10-15 MPa.
[0035] 4. Preparation of fermented milk
[0036] Heat the homogenized goat milk solution at 90-95°C for 15-20 minutes to sterilize it, cool it to 40-45°C, add yogurt starter of model YO-MIX300, which is freeze-drie...
Embodiment 2
[0040] Taking 100kg of fresh goat milk used in the preparation of lactic acid bacteria goat milk powder as an example, the other raw materials used, their proportions and their preparation methods are as follows:
[0041] In step 2 of adding heat-resistant protective agent, add 400g trehalose, 400g sodium glutamate, and 400g glucose to the purified goat milk and mix well.
[0042] Other steps are the same as in Example 1, and lactic acid bacteria goat milk powder is prepared.
Embodiment 3
[0044] Taking 100kg of fresh goat milk used in the preparation of lactic acid bacteria goat milk powder as an example, the other raw materials used, their proportions and their preparation methods are as follows:
[0045] In step 2 of adding heat-resistant protective agent, add 500g trehalose, 500g sodium glutamate, and 500g glucose to the purified goat milk and mix well.
[0046] Other steps are the same as in Example 1, and lactic acid bacteria goat milk powder is prepared.
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Abstract
Disclosed is a preparation method for lactic acidbacteria goat milk powder. The preparation method for the lactic acidbacteria goat milk powder comprises the steps of purification of raw goat milk, addition of heat-resistant protective agents, homogenization, preparation of fermented milk and preparation of the lactic acidbacteria goat milk powder. In the process of proportioning raw materials of the lactic acid bacteria goat milk powder, trehalose, glucose and sodium glutamate are added into goat milk as the heat-resistant protective agents. The fermented milk is processed into active lactic acid bacteria milk powder. Due to the existence of the heat-resistant protective agents, the survival rate of lactic acid bacteria is high in the process of spray drying, and therefore the lactic acid bacteria goat milk powder has a health care effect. The shortcoming that the lactic acid bacteria dies easily in the process of the spray drying of the fermented milk is overcome, and the survival rate of the lactic acid bacteria is improved. By being tested, the prepared lactic acid bacteria goat milk powder meets a national standard 5413.29-2010 infant or baby food standard.
Description
technical field [0001] The invention relates to the technical field of food, in particular to a preparation method of active lactic acid bacteria goat milk powder with health care function. Background technique [0002] Goat milk is rich in nutrition, rich in protein, lactose, fat, minerals and multivitamins, easy to digest and absorb, and its physical and chemical components are close to human milk, known as "the best milk". Goat milk is rich in lactose, which is suitable for the production of various fermented milk products, among which yogurt is one of the common products. Lactobacillus bulgaricus and Streptococcus thermophilus are the most commonly used lactic acid bacteria species in yogurt production. During the fermentation process, lactic acid bacteria decompose lactose in milk to produce lactic acid, which reduces the pH of milk, which can effectively inhibit the growth and reproduction of harmful microorganisms in the intestinal tract, and ferment A large number o...
Claims
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