Bean dehydration processing technology
Ningxia Goji Berries,Chinese Wolfberry,Healthy Food Dried Fruit Goji Black Berry Co.,Ltd , http://www.chgojipowder.com
The dried bean products produced by the scientific dehydration technology of kidney bean are convenient to eat, easy to transport and easy to store for a long time. First, the process of choice of materials → pretreatment → cleaning and disinfection → blanching → cooling drain → drying → packaging → finished products. Second, the operating points 1, the choice of materials used less fiber, tender meat, fresh kernels just after the seed kernel milk maturity, length 16-18 cm, uniform size, the day of harvest, the same day processing. 2. Pretreatment removes the pedicle handle and removes pods that are flat, curved, aged, severely damaged, and have lesions and galls. 3. Wash and disinfect first soak with 1.5% refined salt solution for 25 minutes, then rinse in flowing clean water and drain. 4, blanching The bean will be completely immersed in boiling water, while adding 0.2 kg of baking soda per 100 kg of water protection (process water should meet the standard of ordinary drinking water), repeated turning several times, so that the pods heat evenly, cook 3-5 minutes. 5, cooling, draining must be cooled immediately after blanching, to prevent excessive softening of soybean meal, loss of good texture and luster, the beans will be placed in cold water rinse, until the cold heart of soybean meal so far, bamboo sieve drain. 6. Drying The drained kidney beans are placed in a drying room or an oven together with bamboo sieves. The thickness is 4 kg of kidney beans per square meter of bamboo sieve. The drying temperature is gradually reduced from high temperature to low temperature, and the temperature is 90°C-60°C. Check once every 2 hours, when it feels dry out, the drying time is 5.5-6.5 hours, the moisture content is about 7%, it can also be dried by the sun, but the color is light brown, and the economic value is reduced. 7. Packed dried beans are cooled and placed on a clean and hygienic operating table to remove impurities, debris and pods with white, yellow, and white bars, grading according to quality standards, and then vacuum packaging, each bag 500 grams, 5 bags (2.5 kilograms) for a carton, packaged for sale.