Cabbage is good for blood health. Besides vitamin C, potassium, calcium and dietary fiber, it also contains isothiocyanate with strong antioxidant activity and rare vitamins U and K. These vitamins protect vascular mucosa, accelerate blood circulation and make blood vessels stronger and more elastic. In addition, Chinese cabbage has the function of protecting mucosal cells.
Cabbage, also known as cabbage, is an annual or biennial herb in Cruciferae and Brassica. It is a biennial herb with frost. Short and stout annual stems are fleshy, unbranched, green or grayish green. The basal leaves are thick, layered into spheroids, oblate, milky white or light green; Biennial stems are branched and have cauline leaves. Basal leaves are rounded at the top, sharply reduced to a very short petiole at the base, with broad wings and wavy and inconspicuous serrations at the edge; The upper stem leaves are ovate or oblong-ovate, and the stem is supported at the base; The top leaf is rectangular, about 4.5 cm long and 1 cm wide, holding the stem. Racemes terminal and axillary; Flowers pale yellow, 2-2.5 cm in diameter; Pedicel length 7- 15 mm; Sepals erect, linear and oblong; Petals are broadly elliptic, obovate or nearly round, with slight defects at the top and obviously narrow claws at the base. The claws are 5-7 mm long. Silique is cylindrical, slightly flat on both sides, with prominent midvein and conical beak; The fruit stalks are thick and straight. Seeds spherical, brown. It blooms in April and bears fruit in May.