Yang Lingling, a professor in the Department of Pharmacy of Taipei Medical College, once found through experiments that scallion whiskers, which are always discarded during cooking, are rich in polyphenols, protein and polysaccharides, ranking first among scallion, scallion leaves and scallion whiskers in terms of scavenging free radicals and immunomodulation.
Extended data
The stem near the root of green onion is its main medicinal part, which is spicy and mild. Modern pharmacological research shows that scallion has the efficacy of sweating and antipyretic, and can strengthen stomach, diuretic and expectorant. Allicin contained in scallion also has a certain inhibitory effect on Shigella dysenteriae, Staphylococcus and dermatophytes.
Especially in winter, when you have a cold with a stuffy nose and runny nose, you can fry ginger and brown sugar into "ginger sugar and scallion drink". In ancient times, there was "onion and black bean soup (soup made of scallion and black bean)", and there was "three soups (made of onion root, cabbage root and radish root)" among the people, which had certain effects on preventing colds.
People's Network-An onion is full of treasure.