Guide: Grape seed oil is rich in vitamins, unsaturated fatty acids and other ingredients. It has a unique nutritional and health-care effect on the human body. It is a high-end edible oil that is favored internationally and is expensive. Therefore, grape seed oil can be vigorously developed using grape seed. The pressing technique is as follows:
1. Screening with wind or manpower to make the grape seeds free of impurities such as pomace and pomace;
2. Breaking all mature grape seeds with a double-pair roller crusher;
3, the crushed grape seeds into the softening pot, put about 15% of soft water, warmed to 65 ° C -70 ° C, heat preservation for 40 minutes, so that the broken grape seeds all softened;
4. Then transfer it to a flat-bottomed wok for frying. During the operation, the heat must be uniform, so that the temperature of the material reaches 110 ° C, the moisture is 8%-10%, and the time is about 20 minutes;
5, immediately after frying, pour into the cake ring to press the cake, making it thick in the middle and slightly thinner around;
6, hot into the oil press, the cake temperature is good at 100 ° C. Stack the cakes, and the cakes must be straight to prevent them from falling down;
7, should be light pressure pressure, so that the oil flow is continuous, the workshop temperature is maintained at about 35 °C;
8. Install a 2-3 layer filter cloth at the oil outlet to remove impurities such as oil cake residue.
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