Processing and Utilization of Potato

First, make feed potato tubers and potato dregs can be fed to livestock and poultry. According to the experiment, feeding 50 kilograms of potatoes to pigs can increase 2.5 kilograms of meat, and feeding cows can produce 40 kilograms of milk or 3.5 kilograms of cream. The average daily feed of each chicken is 71 grams of chopped and cooked potatoes and mixed feed, which can increase the annual egg production by 30 to 50, and save 20 kg of concentrate feed.

Second, extracting starch can generally produce 12.15 kg of starch per 100 kg of potatoes. The extraction process is relatively simple, first wash the potato, then mechanical crushing, grinding, sieving, pulp and slag separation, and finally dehydration, drying.

Third, processing cooked food can be processed potato chips, potato chips, mashed potatoes and fried all kinds of packaged food and puffed food. Among them, fried potatoes are delicious and nutritious, so they are favored by people. The processing process is as follows: wash the fresh and high quality potatoes, then peel them mechanically or chemically, cut them into thin slices by a rotary slicer, deep-fry them in a 190 ℃ oil pan, season with salt or sugar, and then package them for sale.

4. Yee sugar can be made from potato starch or powder residue. The former first makes starch into starch milk, then liquefies it, then adds amylase to hydrolyze and saccharify starch, and then filtrates it; the latter needs to grind and sieve the powder residue, add appropriate amount of rice bran and water to steam, saccharify and boil.

Fifth, the production of calcium citrate for every 4.5 tons of potato powder can produce 1 ton of calcium citrate. The technological process is as follows: powder crushing, water sieving, cooking and sterilization, water replenishment, bacteria addition, fermentation, soaking, heating, protein removal, impurity removal, neutralization, calcium addition, product drying, packaging. In addition, potatoes and their by-products can be used to make wine or make alcohol, monosodium glutamate and so on.