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Semen Raphani

[Chinese medicine name] laifuzi [English name]Raphani Semen [Source] Mature seeds of radish Raphanus sativus L. [Phytomorphology] Herbs, annual or biennial. Root meat quality. Stem sturdy, up to 1 m tall, branched, with longitudinal ribs, basal leaves clustered, broad-split, sparsely white...

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[Chinese medicine name] laifuzi

[English name]Raphani Semen

[Source] Mature seeds of radish Raphanus sativus L.

[Phytomorphology] Herbs, annual or biennial. Root meat quality. Stem sturdy, up to 1 m tall, branched, with longitudinal ribs, basal leaves clustered, broad-split, sparsely white trichomes, apical lobe largest, lateral lobes 4-6 pairs, opposite or alternate along leaf axis , The downward lobe gradually decreases; the stem leaves are also large headlike feathers, smaller than the basal leaves; the upper stem leaves are stalked or subsessile, oblong to lanceolate, margins serrate or nicked, rarely full edge. Racemes terminal, often composed conical, flowers pale purple or white, sepals 4, linear oblong; petals 4, broadly obovate, clawed, with prominent veins; stamens 6, 4 long and 2 short. Cylindrical, cylindrical, fleshy, often contracting between seeds, there are 1 to 6 seeds, mature fruit petals hypertrophy and sponge-like, the top with a slender tip. Seeds nearly round, slightly flat, red-brown or gray-brown. Flowering from April to May, fruiting period from May to June.

[Origin distribution] is widely cultivated throughout the country.

[Harvesting and Processing]When the seeds are ripe during June to July, the above-ground parts are cut, the seeds are picked up, dried, and the skin and impurities are removed. The seeds are collected.

[medicinal properties] round or oval-shaped, slightly flat, 2 to 4 mm long, 2 to 3 mm wide. Seed coat thin, reddish-brown surface, yellow brown or dark gray-brown, fine mesh under the magnifying glass. The vertical folding of the leaf results in several vertical grooves on one side of the seed and a black swollen umbilicus at one end. Cotyledons 2, milk yellow, hypertrophy, longitudinal fold. Gas slightly, slightly spicy. Large, full, solid, reddish-brown, and no impurities are preferred.

 

Pharmacological studies: Semen Raphani promotes ileal rhythmic contractions and inhibits gastric emptying. The water extract of radix scutellariae has moderate and long-lasting antihypertensive effect on the intravenous injection of anesthetized animals, and its antihypertensive effect is not significantly different from reserpine. Decoction enhances gastrointestinal activity. Inhibition of Staphylococcus aureus and Escherichia coli with a concentration of 1 mg/ml of scutellarin and an aqueous infusion of 1 :3 have inhibitory effects on six kinds of dermatophytes, such as Trichophyton mentagrophytes and Brassica chinensis. Laiwuzi has detoxification effect on bacterial exotoxins (tetanus, diphtheria, etc.) in vitro.

 

[chemical composition] Semen Raphani contains a small amount of volatile oil and 45% of fatty oil (dry oil, iodine value of 100.8), still contains sinapine, rapeseed sterols, 22-dehydro campolene sterols, and other ingredients such as lecithin. Volatile oil contains α-hexenal, β-hexenal and β-hexenol, γ-hexenol, etc. Fatty oil contains a large amount of erucic acid, sinapic acid, linoleic acid, and linolenic acid.

semen raphani

radish seed

raphanus satlvus linne

Chinese radish seed

LAI FU ZI

 


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