The difference between red onion, onion and round onion is as follows:

Onion and round onion are the same thing. Onion, alias ball onion, round onion, jade onion, scallion, Dutch onion, leather teeth, etc., lily family onion genus biennial herb. It is in the shape of a round ball.

Red onion, an herbaceous plant of the genus Red onion in the family Iridaceae. The leaves are mostly broadly lanceolate or broadly striped, and umbel-like cymes are borne at the tips of the flowering stems.

Red onion vs. onion

Red onion is native to Palestine and was introduced to Europe during the Crusades. Although both are "green onions", they are very different in appearance. Onions, needless to say, are round and chubby, while red onions resemble garlic, with each clove wrapped in a reddish to dark purple color.

Also, although similar in color, red onion heads are not the same as purple-skinned onions, which are very similar to white-skinned onions.

In addition, red onion heads have a stronger flavor that is both deodorizing and aroma-boosting, but have a lighter spiciness that makes them especially good for flavor plates. Onions, on the other hand, are sweet and spicy, and are often used as a side dish in Chinese food, but less often as a seasoning.

Thai food is often used in red onion, Chinese food, Cantonese Lai, Hakka, Taiwanese cuisine, there is no lack of red onion, such as the red onion chopped with oil, that is, often used in the brisket rice red onion crispy.

Common red onion dishes include steamed chicken with red onion and baked pork ribs with red onion, which have a long, persistent flavor and are very appetizing when used to stir-fry meats or make soups.

Red onion is also grown in China, but it is less used in other cuisines and many cooks are not familiar with it.

Red onion head although small, from its nutritional value is very high, on insomnia, laryngitis, dysentery and certain skin diseases have a very good therapeutic effect, but also to dandruff, improve gastrointestinal tone, to promote the body's endocrine normal, but also has a good hypoglycemic effect and better lowering of blood pressure.