How to Classify Wheat ?
2017-02-20China's wheat is generally classified according to the following three methods: according to the sowing season, can be divided into spring wheat and winter wheat; according to the grain of the skin color, can be divided into red wheat, white wheat and flower wheat; How many points can be divided into hard wheat and soft wheat.
Wheat grain consists of cortex, endosperm and embryo three parts, the cortex is about 14.5-18.5% of the whole grain weight, embryo is 2-3.9%, the proportion of endosperm is about 78-84%, the endosperm contains a lot of starch and a certain amount Of the protein, easy for the body to digest and absorb, it is an important part of the extraction process.
Bulk weight: The quality of wheat grains in the unit volume, expressed in grams / liter.
Imperfect particles: damaged but still use the value of the particles, including worms, plaque, broken tablets, raw sprouts and mold particles.
Wheat impurities include the following:
(1) Sieve material: through the diameter of 1.5mm round hole sieve material.
(2) minerals: sand, stone, cinder, brick, clay and other minerals.
(3) other impurities: no use of wheat grain, dissimilar grain and so on.