Production technology of grape pip and grape skin extract
A production process, grape seed technology, applied in the field of grape seed and skin extract production process, can solve the problems of low quality, low quality and value, low content, etc., to increase content, improve product quality and value, and effectively The effect of increasing the content of ingredients
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[0021] Combine figure 1 As shown, the production process of grape seed and skin extract of the present invention includes the following steps:
[0022] 1. Extract active ingredients from grape seeds and skin
[0023] 1.1. Extraction: add 8 times 50-70% ethanol to the collected grape seeds and skins, and extract the grape seeds and skins three times, the first time is 3 hours, the second time is 2.5 hours, and the third time is 2 Hours, the extraction temperature is 70 degrees, and then the extract is collected.
[0024] 1.2. Ethanol recovery: vacuum evaporate the extract, recover the ethanol, and cool the extract with water for later use.
[0025] 1.3 Centrifugation: The extract is centrifuged at 1,000 revolutions / min, 4400 revolutions / min, and 14000 revolutions / min in three stages, and the supernatant is collected after centrifugation. Among them, the first-stage centrifugation mainly removes the large particles of impurities in the extract, the second-stage centrifugation mainly re...
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