Foods that grow in the air or are positive, such as sunflowers and chestnuts, are hot because of sufficient light, while foods facing the north in the shade absorb a lot of water and rarely see sunlight, so they are cold, such as mushrooms and fungus. The food grown in winter is cold because of its heavy coldness, such as Chinese cabbage, mushrooms, white radish and wax gourd.

Extended data:

The efficacy of chestnuts:

1, prevention and treatment of cardiovascular diseases

Chestnut contains a lot of nutrients such as starch, protein, fat and B vitamins, and is known as the "king of dried fruits", which can effectively prevent and treat cardiovascular diseases such as hypertension, coronary heart disease and arteriosclerosis, and is beneficial to human health.

Raw chestnuts are mashed into mud and applied to the affected area, which can cure traumatic injury, swelling and pain of bones and muscles, and have the functions of relieving pain, stopping bleeding and absorbing sepsis.

2, strong bones and muscles, delay aging

Chestnut is rich in vitamin C, which can maintain the normal functions of teeth, bones, blood vessels and muscles, and prevent and treat osteoporosis, waist and leg pain, muscle pain and fatigue. , delay human aging. It is an ideal health fruit for the elderly. Eating chestnuts raw often also has the effect of treating waist and leg pain, relaxing muscles and activating collaterals.

People's Network-1 min teaches you to tell whether food is cold or hot.

People's Daily Online-What are the three therapeutic effects of chestnut? Five taboos you must know when eating chestnuts.