Zhengzhou Bridge Biochem Co.,Ltd.
As corn continues to increase in alcohol production, it also produces a large amount of by-product, corn distiller's grains, under the trade name DDGS (distillers dried grain with solubles); it is a valuable feed ingredient because It retains the nutrients such as protein of the original grain to the utmost extent, and also incorporates the nutrient and active factors of saccharification and yeast, so DDGS is a high-protein, high-nutrient, high-quality protein feed without any anti-nutritional factors. raw material. This paper mainly summarizes the composition, processing technology, research and utilization status of DDGS and its application.
1 DDGS composition:
DDGS is mainly composed of two parts: 1DDG (dry alcohol waste), which is the product of corn flakes treated by corn fermentation. It concentrates other nutrients other than starch and sugar in corn, such as protein, fat, vitamins, etc.; 2DDS, the product of the dry matter of the alcohol residue in the thin retentate after fermentation and alcohol extraction. It contains some soluble nutrients in corn, unknown growth factors, saccharides, yeasts, etc. produced during fermentation.
2 DDGS production process:
At present, the production of DDGS mainly adopts two methods: one is dry processing (more convenient), and the other is wet processing (the overall benefit is better). The main steps of the two processes are as follows:
The main steps of dry processing are: corn treatment → pulverization feeding → fermentation distillation, the products are mainly alcohol, DDG and DDGS. The specific processing flow is as follows:
The main steps of wet processing are: corn cleaning → soaking → peeling → separation of germ, protein, crude starch pulp → production of alcohol, the main products are alcohol, corn oil, corn protein powder, corn germ meal and corn protein feed........
this is our Corn Gluten product list:Corn Gluten Feed 18%;Corn Gluten Meal 60%;DDGS 26%.mycoprotein 70% ......
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