2. It is suggested that when selecting loofah, choose loofah with relatively clean and smooth skin and no obvious cracks, rot and black spots. Tender loofah, loofah skin tastes better; The skin of the old loofah may be hard and the taste is poor. When cleaning the loofah, steel wire balls or cleaning balls can be used to rub the skin of the loofah, which can be washed with running water in time, and the loofah can be sliced or diced for cooking.

3, towel gourd skin is rich in nutrients, such as crude cellulose, vitamin C, B vitamins, etc., which helps to promote gastrointestinal peristalsis, relieve constipation, and also helps to improve memory, maintain beauty and prevent skin diseases. Luffa skin is also rich in protein, carbohydrates, fat, calcium, phosphorus, citrulline and other nutrients, which can be absorbed by the human body.