Yuba is a kind of high-protein soy products. Yuba is processed, raw materials are easily available, and the process is simple. Each person can process about 100 kilograms of soybean raw materials per day. Each 100 kg of soybeans can process 60-65 kg of dried bean curd, and the output value is about 600 yuan. The net profit of removing raw materials, hydropower, etc. can be about 100 yuan. There is also a soybean residue worth about 100 yuan that can be used as a good feed for livestock and poultry. Therefore, yuba processing (combined with breeding) is also a good project for family wealth. Now its production process is introduced as follows: First, the process of selection of raw materials - soaked bean refining - filter pot on the pot - boiled pulp picking film - drying into bamboo. Second, the specific process 1, the selection of raw materials The main raw material for the production of bean curd is soybeans, in order to highlight the bright white finished product, so you must choose the skin color yellowish soybeans, rather than green skin soybeans. At the same time, we must also pay attention to selecting fresh soybeans with full particles, golden color, no mildew, and no insects. We must remove the bad beans, impurities and sand by screening to make the raw materials pure, and then put them in an electric universal grinder to remove the beanie. 2, soaked bean paste put the soy sauce to put people in the cylinder or barrel, add people soaked in water, and remove the impurities floating on the water. The amount of water in the bean container does not appear on the surface. The bean dipping time is 20 minutes in summer and the temperature is around 35°C. After soaking, wash the acid water with water, then drain it and put it in a basket. Drain it with a cloth and cover it with soybeans to allow the bean pieces to expand. If the temperature is 0 in winter, Below °C, soaking can add some hot water, time 30-40 minutes, placed in the cylinder after the drainage or barrel, the same cloth covered, so that its bean pieces hypertrophy. By the above method, the slurry can be refined in about 8 hours. The water should be even when the refining, so that the milk out of the delicate white and tender. During the summer season, the protein is highly degraded and the rancid material left behind by the various parts of the grinding tool must be washed within 3-4 hours after grinding to prevent the next refining process from being affected. 3. Put the soya-bean milk in the filter pot on the pot or pail, and use hot water to make the paste. The proportion of water is 500 kg of hot water per 100 kg of soybean raw material, stir well, and then prepare another cylinder: or bucket. The milk is poured into the hanging bag used by the filter, and the hanging bag is shaken continuously to perform the second filtration of the slurry; the third filtration is performed according to this, and the bean can be drained. Then pour the milk into a special flat iron pan. 4, boiled pulp picking film boiled pulp is a key link in the production of yuba. The operation steps are as follows: When the pot is on fire, the stove can stop the blast after the milk in the pot is boiled, and use charcoal, coal or wood chips to cover the fire to suppress the flame, lower the temperature of the stove, and remove the white of the pot. foam. After 5-6 minutes, the pulp surface naturally forms a thin film, which is yuba film. At this time, use scissors to cut open into two flaps, and then use bamboo sticks to stir along the edge of the pan to form a bamboo-shaped film. Usually, each pot is prepared with 4 pots and a length of 80 cm, and 20 pieces of yuba can be hung. Each pot of 15 kilograms of soymilk can expose 30 pieces, and a total of 60 pieces of yuba. In the process of uncovering the film, the key to success or failure is threefold: after reducing the temperature of the furnace, such as charcoal or coal fire, or too slow, the temperature difference in the pot is too large, it will become corrupt, can not be conjunctiva. Therefore, after stopping the blast, it is necessary to add pre-prepared red-hot charcoal fire to keep it at a constant temperature. Conditional boiler steam can be used to enter the bottom of the pot, do not directly use the fire boiled pulp; Second, the pot temperature does not drop, continue to boil, will cause the bottom of the pot burning, production decline; third, the foam in the pot is not removed , will directly affect the formation of the film. 5, drying into bamboo bean curd should be dried should not be dried, easy to mold the sun. The yam bamboo film on the pan will be placed in a drying room and a drying rack will be set in the drying room. The length of the yam will hang in the drying room and the temperature of 60°C will be maintained. If the fire temperature is too high, it will cause the bamboo feet to burn and affect the color. Generally dry for 6-8 hours. After the dry and straight ends, the plastic film bags can be used to pack small bags. The texture of yuba is relatively brittle, and it is a fragile food. During storage and transportation, care must be taken to prevent heavy pressure and beating. At the same time, attention should be paid to moisture prevention so as not to affect product quality and reduce economic value. 3. Supplementary Explanation In recent years, some yuba processing plants added 5 grams of methionine and 40 grams of glycerin per kilogram to soybean milk to improve the ratio of amino acids so as to improve the properties of the yuba, so that the yuba products are not easily broken and resistant to storage, and the output is Increased.
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