Rhizoma styrae

Rhizoma styrae

(empirical identification method of traditional Chinese Medicine)

[source] it is the stem of Perilla frutescens. For the plant morphology, please refer to the article "Perilla frutescens".

[collection] when the fruit is ripe in autumn, the old stem is cut, the fruit, branches and leaves are removed and dried in the sun.

[medicinal material] the dry stem, leaves mostly fall off, often with ears. The stem is square in corner, with grooves on four sides, yellow green on the surface and easy to break; the xylem of the section is yellow white, with white loose pith in the center. The remaining leaves are wrinkled, curled or broken, black green, with pale back and white hairs on both sides. It is fragrant, slightly bitter and pungent. It is better to have old stem, dry, no impurity in root and leaf and fragrant smell.

Produced in Jiangsu, Anhui, Sichuan, Yunnan and other places.

This product is used in Jiangsu, Sichuan and other places as the same as stem, and is commonly known as Su stem. See article.

[nature and taste] "Diannan Materia Medica" is spicy, warm and non-toxic. "

[Guijing] Sichuan records of traditional Chinese medicine: "entering the lung and spleen meridians. "

[function indications] Shun Qi, Xiao Shi, Zhi Tong, an Tai. Treatment of qi stagnation, food stagnation, chest and diaphragm stuffiness, epigastric pain, fetal disharmony.

① "South Yunnan Materia Medica": "Buzhong Yiqi. "

② "Anhui herbal medicine": "Xingqi Kuanzhong, Xiaotan lifeI, Antai. "

③ Sichuan Traditional Chinese medicine annals: "lower Qi, widen chest, remove phlegm in the line, and eliminate food. Treatment of chest tightness, choking, nausea and abdominal pain. "

[usage and dosage] oral: decoction, 1.5 ~ 3 yuan.