How to make boxed lactone tofu
Traditional tofu production uses gypsum and brine as coagulants. The process is complicated, the yield is low, the storage period is short, and the human body is not easy to absorb. The use of gluconolactone as a coagulant to produce tofu can reduce protein loss and increase water retention. The yield is greatly increased, and the bean curd is delicate and smooth, with good taste and long storage time. The specific production methods are described as follows: 1. Select beans to select fresh and fresh soybeans, remove impurities and remove degraded soybeans. 2, soaking with more than 3 to 5 times the weight of soybean water soaked soybeans, soaking time is generally 12 to 14 hours in spring, summer 6 to 8 hours, 14 to 16 hours in winter, the soaking time should not be too long or too short to twist Open the watercress, the inside is parallel, and the first line concave degree is appropriate. 3. According to the ratio of bean to water in the proportion of 1:3 to 1:4, grind the soybean uniformly, require grinding, grinding, more pulp, less slag, fineness to pass 100 mesh sieve should. It is better to use the drip method to refine the slurry, or to use the secondary refining method. 4, filtration and filtration is to ensure the quality of finished tofu products, such as the use of centrifuge filtration, first coarse after the fine, sub-section. Generally, every kilogram of bean filter slurry is controlled at 15 to 16 kilograms. 5, boiled pulp usually two ways. One is to use an open cauldron and the other is to use a sealed cooking slurry. Use an open pot to cook the pulp faster, the time is shorter, generally not more than 15 minutes. After the pot is opened, the slurry is released immediately. If boiled pulp is used in a sealed cooking pot, the temperature of each stage of boiled pulp can be automatically controlled, and the boiled pulp effect is good, but it should be noted that the temperature cannot be higher than 100°C, otherwise protein denaturation will occur, which will seriously affect the product quality. 6, pulping pulp is an important part of ensuring the finished product rate. Soak the milk when the soymilk temperature reaches 80°C or so. The method is: first dissolving gluconolactone in water, and then adding cool soybean milk as soon as possible, the amount of gluconolactone added is 0.3% to 0.4% of soybean milk, stir well after adding. 7. After the box is filled with glucono lactone, it can be packed into a box and made into boxed lactone tofu. After stable molding, it can be eaten or sold. If you want to make plate tofu, narrow the filter water according to the conventional method.
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