1、 Efficacy and function of rape flowers and leaves

Rape flower is a low calorie and low-fat food, rich in cellulose, which can help intestinal peristalsis, moisten intestines and defecate, and alleviate constipation. At the same time, rape flower contains low calories, which can also promote intestinal digestion, reduce weight and clean up a variety of toxins accumulated in the intestinal tract. Rape leaf is a kind of healthy food material, which can reduce blood lipid. It contains a lot of dietary fiber, which is combined with cholate and cholesterol in the body to promote excretion. Rape leaves contain a lot of plant hormones, which can prevent cancer

2、 Characteristics of rape flower

Rape flower is an annual herb of Cruciferae and Brassica. The plants of rape flowers are straight and clustered, and the stems are green. The basal leaves grow in a spiral shape, and the stem leaves are distributed alternately. The flowers are bisexual, with 4 petals, arranged in a cross shape, with thin bracts, yellow flowers and racemes. The fruit is Longhorn fruit, which will crack and scatter seeds when it matures in summer. The seeds are purple black and yellow. The origin of rape flower is in Europe and Central Asia, and it is widely distributed in China. It is mainly concentrated in Luoping plain in Yunnan, Menyuan plateau in Qinghai, Huangling in Wuyuan, Jiangxi and 10000 mu terraced fields in Jiangling. Rape flowers can be pressed for oil or used as feed. Tender stems and leaves can be eaten as vegetables. They can also be used for viewing when planted at ordinary times