How to choose onions

Onion is a food ingredient that is frequently used in our daily lives, mainly for decoration and flavor enhancement. It is generally used as a side dish, but can also be used as the main ingredient, such as scrambled eggs with onion and fried pork slices with onion. When choosing ingredients like onions, we should choose those with drier skin and tighter curling. When choosing onions, we should avoid those that are cracked or rotten.

How to choose onions:

1. When choosing onions, the drier the skin, the better, and the tighter the wrapping, the better;

2. From the outside, it is best to see the brown texture in the transparent skin;

3. The sphere should be intact, without cracks or damage, and the surface should be intact and smooth without any rot.

According to the skin color, onions can be divided into three types: white skin, yellow skin and purple skin. From the perspective of nutritional value, purple onions are more nutritious. This is because purple onions have a spicier taste than the other two varieties of onions, which means they contain more allicin. In addition, the purple skin part of purple onions contains more quercetin.

The nutritional value of onions is highest when they are fresh and ripe. During the storage process, the nutrients in onions will gradually decrease. If the onions have begun to sprout or become soft in some places, they can no longer be eaten. Onions are best stored in an open container away from moisture. Once an onion is cut, even if it is wrapped in plastic wrap and stored in the refrigerator, its nutrients will be lost quickly due to oxidation. Therefore, it is best to cut as much onion as you want to eat, and try to avoid storing it after cutting.

Purple onions have higher nutritional value