Chinese Cabbage

(classified herbal medicine)

[synonyms] pakchoi, Pakchoi, yanbicai

[source] it is the whole plant of Saxifraga, Saxifraga and Gesneriaceae.

[plant morphology] 1

Perennial evergreen herbs, up to 30 cm tall. Rhizome thick and long, purple red, short internodes. Leaves basal, fleshy and thick, obovate or oblong, 7.5-16 cm long and 3.5-10 cm wide, apex obtuse, base cuneate, entire or denticulate, above reddish green glossy, below green; petiole 2-8 cm long, base expanded into sheath. Stem about 25 cm long, reddish, scorpion shaped cyme; pedicel with brown woolly hair: calyx campanulate, apex 5-lobed; lobes long elliptic, petals 5, white, broadly ovate; stamen 10; pistil composed of 2 carpels, free, style long, stigma capitate, 2-lobed. Capsule; seeds numerous. The flowering period is from March to April. The fruiting period is May.

Most of them grow in the wet stone crevices of high mountains. It is distributed in Yunnan, Sichuan and Tibet.

The rhizome (rock) of this plant is also used for medicine. Another detailed special article.

② Chinese cabbage with thick leaves

Herbs perennial, similar to the above species. The height is 20-60 cm. Leaves alternate near base, thick leathery, long ovoid or oblong, 3-35 cm long, 2.5-30 cm wide, margin with teeth or subentire. Petals pale red, round; stamens 10-12.

Born in the wet crevice of cliff. Xinjiang and other places.

③ Gesneria crassifolia

Perennial evergreen herbs. No stem. Leaves sessile; thick papery; rectangular spatulate, 17 cm long, margin slightly serrate, above green, smooth, veins indistinct, below densely covered with white or grayish yellow furfur like villi. Inflorescence, terminal, sparse; calyx 5, ovate; ovary sessile, linear. Capsule shaped, 2 petals, convoluted. The flowering period is from May to June. The fruiting period is summer.

Born on the edge of mountains and rocks. It is distributed in Yunnan, Guizhou, Sichuan and Hubei.

[collection] from May to June, the whole grass was collected and dried.

[medicinal material] the dried whole grass of Bergenia chinensis is 25-30 cm long. Rhizome thick straight, cylindrical, about 10 cm long, 1-1.5 cm thick, rough appearance, with large link like texture, root bark brown, mostly falling off. It's crisp, and its cross section is brownish red. The leaf blade is large, long elliptic, thick, glabrous, withered green yellow, the back color is light, slightly pink; the petiole is pink, easily broken. It is better to have large pieces and strong rhizomes.

Produced in Sichuan.

[chemical constituents] Bergenin and other coumarins are contained in bergenin. The components of Pakchoi are shown in the pharmacological action item.

[pharmacological action] the root of Bergenia crassifolia contains arbutin, which has antibacterial and anti-inflammatory effects; it contains tannin, which has astringent effect. It can be used for non infectious inflammation of digestive tract and cervical erosion.

It was also reported that the total tannin content was 19.4%. The extract can inhibit Shigella dysenteriae at the concentration of 1:320-480 in test tube. It also contains vitamin P-like substances. Long term oral administration of water extract to rats can increase capillary resistance; long term oral administration of large dose does not appear toxic reaction, neither affects the general state of rats, nor causes pathological changes of digestive tract or parenchymal organs.

[processing] clean impurities, wash, chop and dry.

[nature and taste] Sichuan records of traditional Chinese medicine: "it is flat in nature, sweet in taste and non-toxic. "

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

[function indications] it is used to treat weakness, dizziness, strain, cough, hematemesis, hemoptysis, drenching, leucorrhea, swelling and poison.

① "Treatment of hematemesis" in the textual research of plant names and facts. "

② Classification of herbal medicine: Resolving Phlegm and relieving cough. Treat all internal injuries, hematemesis, asthma, gonorrhea. "

③ Emei medicine plant: "to cure dizziness and weakness, it is necessary to cure tuberculosis. "

④ Sichuan Traditional Chinese medicine annals: "nourishing, strong, hemostasis, cough. Treatment of liver and spleen weakness, fatigue, vomiting, hemoptysis, lung disease, cough and asthma, women's leucorrhea and men's drenching; external application of unknown swelling toxin. "

[usage and dosage] oral administration: decoction, fresh 2-4 Liang.

[taboo] Sichuan Traditional Chinese medicine annals: "it should be used with caution if the weak have exogenous fever. "

The above are the properties of Bergenia chinensis. Please pay attention to more traditional Chinese medicine.

Chinese PinYin : Yan Bai Cai