1. Different morphological characteristics

1. Morphological characteristics of black beans: seeds are oval or nearly spherical, and the seed coat is yellow, green or black.

2. Black vat bean morphological characteristics: black seeds, four-sided, 3 mm long.

2. Different distribution ranges

1. Black beans distribution range: They are cultivated all over the country.

2. Distribution range of black bean: Produced in Taiwan, China. The type specimen was collected from Taiwan.

Extended information:

Black beans are rich in protein, fat and carbohydrates, as well as carotene, vitamins B1, B2, niacin, etc., and also contain the following ingredients: soy isoflavones, dyes Lignin. The former contains 0.007 daidzin and glucose after hydrolysis, and the latter contains 0.01-0.15 genistein and glucose after hydrolysis.

In addition, it also contains choline 2.06-2.90 mg/g, folic acid 2.30 mg/g, folic acid 0.74 mg/g, pantothenic acid 13 mg/kg, biotin 750 mg/g, and vitamin B12-0.008 mg. , sialic acid 0.04. Soybean hydrolyzate contains 0.971 to 3.559 levulinic acid.

Baidu Encyclopedia-Black Soybean

Baidu Encyclopedia-Black Cowpea