The raw powder processed sweet chestnuts is only used in Chinese cooking to create a smooth texture, but also as one of the marinades to soften the meat quality. Chestnuts are rich in nutrients, with fruit containing up to 70.1% sugar starch, 7% protein. In addition, it also contains fat, calcium, phosphorus, iron, a variety of vitamins trace elements, especially vitamin C, B1 carotene, which are higher than ordinary dried fruits. Chestnuts are rich in nutrition. In addition to rich starch, they contain monosaccharide disaccharides, carotene, thiamine, Riboflavin, niacin, ascorbic acid, protein, fat, inorganic salts other nutrients.

After grading peeling, classify organize according to the size of the pulp particles. The general requirements are: no more than 120 grains per kilogram for the first level, no more than 140 grains per kilogram for the second level, no more than 160 grains per kilogram for the third level. The level requirements can also be determined according to the requirements of the purchaser. Choose fresh, large, plump, clean nuts as raw materials, eliminate fruits that are motheaten, moldy, broken.