1. You fresh purple cabbage bulbs are dry, fresh and shiny, uniform and dense, free from bolting, cracking and mechanical damage, with clean spherical surface, no rotten leaves, no pests and diseases, and can carry 3-4 green leaves.

2. Inferior purple cabbage is not compact, not fresh or wilted in the middle, the outer leaves turn yellow or a small number of insects bite the leaves.

3, inferior purple cabbage leaf ball welding crack or bolting, mechanical damage or outsourcing leaf rot, serious pests and diseases, insect manure.

1. What are the nutritional values of purple cabbage?

Purple cabbage is rich in nutrients, especially vitamins C and V and more vitamins E and B. In addition, every 100g edible part contains 1.4g egg white, 0. 1g fat, 3.3g sugar, 57mg calcium, 42mg phosphorus and 0.7mg iron.

Second, the benefits of eating purple cabbage

1, sterilization and anti-inflammatory

Purple cabbage has bactericidal and anti-inflammatory effects, such as sore throat, traumatic swelling and pain, mosquito bite, stomachache and toothache. As a new vegetable with rich nutrition, purple cabbage has been deeply rooted in the hearts of consumers in China and won the favor of ordinary people.

2, anti-aging, antioxidant

The anti-aging and anti-oxidation effects of purple cabbage are at a high level with asparagus and cauliflower. It can improve human immunity, prevent colds and protect the life index of cancer patients.

3. Relieve joint pain

Cabbage vegetables, like medicines, can relieve joint pain symptoms and prevent sore throat caused by colds. Therefore, it is best for arthritis patients to eat this vegetable often, and in order to prevent throat inflammation caused by colds, they should also eat cabbage often in the high incidence season of colds in winter and spring.

Step 4 treat ulcers

Purple cabbage contains some kind of "ulcer healing factor", which has a good therapeutic effect on ulcers and can accelerate wound healing. It is an effective food for patients with gastric ulcer.