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Corn germ extract

TIME:2014-11-03 10:22:12FROM: AUTHOR:
Corn germ extract, corn oil that is involved in the production of the first extraction of corn germ. Corn germ extraction methods are mainly three kinds of dry,...

Corn germ extract, corn oil that is involved in the production of the first extraction of corn germ. Corn germ extraction methods are mainly three kinds of dry, wet, semi-wet.
1, namely, dry corn germ extract without water regulation, the direct use of mechanical methods, were rubbing grind, crush or grind rub impact interaction, so that the skin method, embryo and endosperm separation. The process is simple, low energy consumption, pollution, but the low efficiency mention embryo, the embryo containing endosperm much.
2, the embryo is about to put wet corn steep, broken, degermed, the hydrocyclone separator separating the embryo and starch methods. Embryo extract efficiency of the method can reach 85% to 95%, up to 60% embryo moisture and must be dried, the embryo after drying (water content of 2% to 4%), oil content of up to 44% to 50%. Therefore, energy consumption, environmental pollution problem, a large investment in equipment, high production costs, long payback period.

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3, semi-wet mention embryos principle is the use of corn germ and endosperm moisture content, water absorption is different, and after absorbing elasticity, toughness, crushing strength differences, the choice of suitable mechanical equipment, the corn broken, peeling and de embryos, and then use the different physical properties of the germ and endosperm, the germ compressed, and endosperm are crushed, and then sieved processing, sorted germ, in order to achieve the purpose mentioned embryo. The Act of corn Run water water content of l6% ~ 20% pm, and then peeling, crushing, rolling mention embryos. The law put the embryo can reach more than 85 percent efficiency, low energy consumption, pollution, less investment in equipment, the payback period is short, low production costs, but the embryo contains a certain amount of endosperm.