Preparation method of raw bean curd

Abstract

The invention discloses a preparation method of raw bean curd, which comprises the steps of selecting soybeans and soaking in a soak solution at 22-28 DEG C; after 8-13 hours of soaking, grinding the soybeans into soybean milk by a grinder, and filtering with a sieve of 60-80 meshes; boiling the soybean milk for 3-5 minutes, stopping heating, and cooling to a temperature not higher than 50 DEG C; boiling the soybean milk again for 5-8 minutes, and cooling to a temperature not higher than 30 DEG C; adding gluconic acid-delta-lactone with concentration of 0.18-0.25%, and mixing uniformly; adding the mixed liquid into a wood box with grating in which wrapping cloth is paved; solidifying for 0.3-0.5 hour in a sealing heat preservation chamber at a temperature of 90-95 DEG C, taking out the product and quickly cooling and forming; after the formation, squeezing on a frame to obtain dried bean curd; deeply frying the dried bean curd for 45-65 seconds in a deep fryer at 165-175 DEG C; taking out the dried bean curd from the deep fryer with a filter net; after the dried bean curd is cooled, aseptically packaging with a polyethylene bag to obtain the raw bean curd.

Description

technical field

[0001] The invention relates to a method for preparing soybean products, in particular to a method for preparing raw rot. Background technique

[0002] Tofu has a long history and is extremely nutritious, containing iron, magnesium, potassium, niacin, copper, calcium, zinc, phosphorus, folic acid, vitamin B1, lecithin and vitamin B6. For every 100 grams of firm tofu, water accounts for 69.8%, contains 15.7 grams of protein, 8.6 grams of fat, 4.3 grams of carbohydrates and 0.1 grams of fiber, and can provide 611.2 kilojoules of heat. The high amino acid and protein content in tofu makes it a good supplement to grains. 78% of tofu fat is unsaturated fatty acid and does not contain cholesterol, known as "vegetable meat". Tofu is a nourishing and heat-clearing food for health. Regular consumption can nourish the middle and replenish qi, clear away heat and moisten dryness, promote body fluid and quench thirst, and cleanse the stomach. With the improvement of p...