2. carrots. The ability of α -carotene contained in carrots to inhibit tumor cells is 0/0 times that of β -carotene. Carrots contain a highly immune substance-lignin, which can improve the ability of human macrophages and reduce colds.
3. Garlic is oblate or short cone-shaped, with grayish white or light brown film scales outside, which has the functions of powerful sterilization, lowering blood sugar, preventing diabetes, cardiovascular and cerebrovascular diseases, preventing colds and resisting aging.