efficacy:

1. Prevent cancer

The anti-cancer effect of onions comes from its rich selenium and quercetin.

2. Maintain cardiovascular health

Onions are the only vegetables known to contain prostaglandin A.

3. Stimulate appetite and help digestion

Onions contain onion and garlic, which has a strong aroma. When processed, the smell is pungent and often makes people cry.

4. Sterilization, anti-cold

Onions contain phytoncides such as allicin, which have strong bactericidal ability, can effectively resist influenza virus and prevent colds.