Shepherd's purse

Shepherd's purse

(Qianjin Shizhi)

[synonyms] Zangzi and shepherd's purse (Erya), Xiezi (edible materia medica), Zangzi (compendium of Materia Medica), zongzi (northeast medicine and plant records),

[source] it is the seed of Capsella bursa pastoris. For the plant morphology, please refer to "shepherd's purse".

[collection] when the fruit becomes hot in summer solstice, the branches are picked and the seeds are kneaded out after drying.

[herbal medicine] the dried seeds are small, about 0.8 mm long and brown. They are oblate and oblong in shape when observed with a magnifying glass. One end is blunt and round, and the other end is slightly narrow with a white hilum. There are long circular grooves on both sides, forming a long uplift in the center.

It is produced in most parts of the country.

[chemical constituents] the green peel of the fruit contains geranioside. The seed contains 22.5% fat oil.

[pharmacological action] geranioside has a vitamin P-like effect. Its effect on reducing capillary permeability in rabbits is stronger than that of rutin. Its effect on increasing capillary fragility is better than that of rutin, and its toxicity is lower.

[nature and taste] Compendium: "sweet, flat, non-toxic. "

[function indications] remove wind and improve eyesight. Treatment of eye pain, blindness, Yizhang.

① Wupu materia medica: "treat abdominal distension. "

② "Bielu": "master the eye, eye pain. "

③ "On the nature of drugs": "the main disease of blindness is not seen, and the deficiency of the five internal organs is compensated. "

④ According to the edible Materia Medica, "it can remove the wind, poison and evil Qi, clear the eyes, remove the obstacles, and detoxify. Long time food makes things clear. "

[usage and dosage] oral: decoction, 3-5 yuan.

[selection] treatment of jaundice: one to two pairs of shepherd's purse, one to two pairs of big green root or leaf. Take it in water. (Hunan medical records)