Red-skinned peanuts and black-skinned peanuts have different seed skins, but the nutritional value of black-skinned peanuts is higher than that of red-skinned peanuts. Black-skinned peanut is a newly cultivated endemic variety in China, and its protein content is as high as 30.68%, which is 5% higher than that of common peanut. They have the nutritional advantages of high protein, high selenium and high potassium, and the contents of potassium, selenium, zinc and vitamin E are also higher than those of ordinary peanuts.

However, because peanuts belong to nuts, they have high energy and are not suitable for eating more. The average daily consumption is 10g.

Purchasing skills of black-skinned peanuts

1, artificially dyed black-skinned peanuts, the color of the whole peanut is very uniform, and there is no difference between different peanuts. However, the colors of naturally grown natural black-skinned peanuts will be different, some are black and some are deep purple. Even the same peanut has different colors in different parts.

2. Rubbing with hands, the black peanut pigment is soluble in water, but it will not stick to the hands.

3, peeling off the skin, if it is dyed peanuts, peanuts will also be dyed black, germs may also be dyed, and the white germs of normal peanuts are clearly visible.

4. The shell of black peanut is a natural anthocyanin pigment, which turns blue in case of alkali and red in case of acid. If it is dyed peanuts, it will not change color when it meets acid and alkali solutions.