It is mustard.

1, mustard (scientific name: Brassica juncea? (L.) Czern. et Coss.) is Cruciferae, Brassica juncea annual herbaceous plants, up to 150 cm high, young stems and leaves with prickly hairs, spicy flavor; stems erect, leaf stalks with small lobes; stem lower leaves are smaller, the edge of the notch or teeth, the stem of the upper leaves are narrowly lanceolate, the edge of an inconspicuous sparsely dentate or entire. Racemes terminal, prolonged after flowering; flowers yellow, sepals yellowish, oblong-elliptic, erect-spreading; petals obovate, long-horned fruit linear, seeds globose, purplish-brown.Flowering in March-May, fruiting in May-June.

2. Cultivated throughout China. The leaves are salted for food; the seeds and the whole herb are used for medicine, which can dissolve phlegm, calm asthma, reduce swelling and relieve pain; the seeds are ground and called mustard, which is used as a seasoning; the oil squeezed out is called mustard oil; this species is an excellent honey plant.

Mustard edible methods and contraindications:

One, edible methods

1, mustard is mainly used as a side dish fried to eat, or boiled into soup.

2, you can pickle mustard greens, is also an appetizing ingredient.

3, mustard greens can not be eaten raw, and do not eat too much.

Two, contraindications

1, the general population can eat mustard, especially constipation, ophthalmology patients are most suitable, but for those who suffer from feverish coughs, sores, eye disease, hemorrhoids, blood and internal heat should not eat mustard.

2, mustard cabbage can not be eaten with carp.

3, edema patients, people with bad kidneys should eat less, to avoid aggravating the burden on the kidneys.

4, in addition, high blood pressure, vascular sclerosis and other patients should eat less was pickled mustard.

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