Grain – some features related

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Human being from the west to the east, perhaps no one doesn’t know grain, a very important food to our life.

Although for different areas, there will be different types of it used, but commonly, it runs an irreplaceable part in the world food till now.

About the grain

It is a caryopsis of a grass plant in the grass family (Poaceae), the fifth-large in the plant family. Most types of grain have small, hard and dry seeds. The seed could have the hull outside or not. Two main groups of grain are cereal (main types are: wheat, rice, maize, barley, oat, millet) and legumes (beans and peas) which most of them are used as food for human and animal, especially cereal is a very important food source of the world.

Origin of grain

Like other plants, it had existed in the earth from the ancient time. While the grain planted starting was estimated from the end of the Neolithic state, about 8,000 – 10,000 years BC depended on the areas (the time when human started to plant grain as a crop instead of only hunted and gathered), its appearance based on the fossil was considered from very early, perhaps millions of years before that.

Although it had and had been domesticated and mutated through selective breeding and cultivated for thousands of years, some grain still grown with little change compared with the origin, and was considered as ancient grain, popularly are millet, barley, spelt, Khorasan wheat and some other types.

The importance of grain

The grain, especially cereal, is the main food source to people all over the world. It’s the main source which provides us the carbon hydrate – a necessary source of energy to cells and brain to work. It also provides us numbers of vitamin and mineral.

After harvested, for consumption and storage, it is easy to be stored, transported and produced to many kinds of food to human and animal. In 2015, only the cereal production is about 2,500 millions ton, a number shows the importance of it in common and cereal in typical in the world food industry.

The variety of grain also joins in the creating of culture around the world.

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