Production method of donkey-hide gelatin small peptide Chinese date yoghourt
A production method and technology for red dates, applied in the field of food processing, can solve problems such as malnutrition and single ingredients, and achieve the effects of low cost and unique process
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Embodiment 1
[0029] Making Ejiao Red Date Yogurt with Whole Milk Powder
[0030] ① Raw material pretreatment
[0031] Ejiao chooses Ejiao in A County, Shandong Province, which requires dark brown, smooth cross-section, hard and crisp, slightly fragrant, and slightly sweet. Bake the donkey-hide gelatin at 120℃ for 30min, take it out and let it cool, and crush it to a fineness of 150 mesh or more to obtain the donkey-hide gelatin powder.
[0032] For red dates, choose red-skinned dates with uniform particles, no rot, no pests, good maturity, small nuclei and more flesh. Arrange the red dates, remove impurities and remove the nucleus; put them in an oven, bake at 120°C for 30 minutes, take them out and cool them, crush them to a fineness of 150 mesh or more, and get red dates powder for later use;
[0033] The whole milk powder is reconstituted with warm water at 45°C, and the mass ratio of whole milk powder to water is 1:5. The homogenization pressure is 15.0MPa and 5.0MPa, and the homogenization t...
Embodiment 2
[0039] Making Ejiao Red Date Yogurt with Whole Milk Powder
[0040] ①Same as Example 1,
[0041] ②The red date powder is mixed with 50°C warm water at a mass ratio of 1:8, and the juice is filtered through a filter cloth after blending, sterilized at 90°C for 5 minutes, and cooled to obtain jujube juice.
[0042] ③According to the mass ratio of donkey-hide gelatin powder to water 1:2, soak the donkey-hide gelatin powder in hot water to dissolve it. Stir constantly during the process. After it is completely dissolved, filter, add 9% white sugar according to the mass percentage of the gelatin liquid. Sterilize at ℃ for 10 min, cool to 42 ℃, inoculate activated Lactobacillus helveticus at an amount of 5% under aseptic operating conditions, and ferment it in a constant temperature fermentation tank (tank) at 42 ℃ for 4 hours to obtain Initially fermented Ejiao juice.
[0043] ④For example by mass percentage, blend the 85% by weight of the reconstituted milk, 10% by weight of jujube juice...
Embodiment 3
[0046] Fresh milk made donkey-hide gelatin and red dates yogurt
[0047] ① Raw material pretreatment
[0048] Ejiao chooses Ejiao in Axian County, Shandong Province. It requires dark brown, smooth section, hard and crisp, slightly fragrant, and slightly sweet. Bake the donkey-hide gelatin at 120℃ for 30min, take it out and let it cool, crush it to a fineness of 150 mesh or more, and get the donkey-hide gelatin powder for later use;
[0049] For red jujube, choose red jujube with uniform particles, no rot, no pests, good maturity, small nucleus and more flesh. Put the red dates in an oven, bake at 120°C for 30 minutes, take them out, and smash them to a fineness of 150 mesh or more to obtain red dates powder for later use;
[0050] ②③Same as Example 1
[0051] ④For example by mass percentage, blend the 90% by weight of fresh milk, 8% by weight of jujube juice, and 2% by weight of the first fermented donkey-hide gelatin juice prepared above, and under aseptic operation conditions, press...
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