What do grains mean?

What does it mean?

Five grains refers to wheat, corn, rice, soybeans and potatoes, but at the same time, it is also used to call grains other than rice and flour as miscellaneous grains, and grain grains are also generally referred to as food crops, so grain is also a general term for food crops.

II. Historical Origin

The idea of whole grains has a very long history. Chinese people have followed a grain-based diet for thousands of years, which was mentioned as early as 2000 in the Yellow Emperor's Internal Classic. People generally think that wheat and rice are fine grains, and miscellaneous grains refer to other foods. what we are talking about now contains a variety of cereals and legumes, such as corn, millet, barley, black beans, broad beans, mung beans, peas, sweet potatoes and so on.