San Bai Cao

San Bai Cao

(Tang materia medica)

[alias] shuimutong (compendium Collection), wulubai and baishuiji (Fujian folk herbal medicine), shuibanshenwu and baimiangu (Guangxi Traditional Chinese Veterinary Medicine), guotanglian (Nanning medicine records), sandianbai, shuiniucao and shuijiujielian (Jiangxi folk herbal medicine), BAIHUALIAN and baiyelian (Jiangxi folk herbal medicine prescriptions), Yibai and Erbai (Hunan medicine records), Tian Sanbai, Tu Yuzhu, Bai Huangjiao, Wu Yebai, Bai Juchao, Bai Huazhao shuilian, and Yi yuancao.

[source] it is the whole plant of sanbaicao.

[plant morphology] sanbaicao

Herbaceous perennial, 30-90 cm high. The underground stem has whisker like roots. Stem erect, or lower part prostrate, longitudinally ribbed, glabrous. The leaves are ovate or ovate lanceolate, 6-14 cm long and 3-7 cm wide, apex pointed or acuminate, base heart-shaped, slightly auricular, entire or nearly entire, green, glabrous on both sides, with 5 veins on the base; the leaves under the inflorescence of the stem end are 2 or 3 pieces, often turning white in early summer. Raceme, 14 cm long, opposite to the leaves, on the stem; pedicel and petiole hairy; bract oblanceolate, about 2 mm long, with fine hairs on the edge; flowers bisexual, perianthless, from the base of bract; stamen 6, filament as long as anther; pistil 1, 4 carpels united, ovary round, stigma 4, curved outward. The top of capsule dehisces after ripening. Seeds round. The flowering period is from May to August. The fruit period is from June to September.

It grows near ditches, swamps and other places with low humidity and near water. Distributed in Hebei, Shandong, Anhui, Jiangsu, Zhejiang, Guangdong, Hunan, Hubei, Jiangxi, Sichuan and other places.

The rhizome of this plant (sanbaicao root) is also used for medicine. See special section for details.

[collection] it can be harvested in all seasons, washed and dried in the sun. From July to September, the aboveground parts were harvested and dried in the sun.

[chemical constituents] the whole herb contains volatile oil, the main component of which is methyl-n-nonone. The stem contained 1.722% hydrolyzable tannin. The content of quercetin, quercetin, isoquercetin, rutin, rutin and hydrolyzable tannin in leaves was 0.544%.

Bitter, pungent and cold.

① Tang materia medica: "it tastes sweet and pungent, cold and has little poison. "

② Fujian Chinese herbal medicine: "bitter, pungent, cool. "

Channel tropism: channel tropism of lung and bladder.

Functions and indications: clearing away dampness and heat, detumescence and detoxification. Treatment of edema, beriberi, jaundice, drenching turbidity, leucorrhea, carbuncle swelling, treatment of poison.

① "Tang Materia Medica": "it is mainly used for edema, beriberi, diuresis, expectorant and purulent, accumulation and swelling. "

② According to the collection of Materia Medica, it can be said that "mashing and wringing juice clothes can make people vomit inversely, remove the heat phlegm in the chest and diaphragm, and also control malaria and infantile fullness. "

③ In the textual research on the names and facts of plants: "it is often used to treat bones and muscles and regulate menstruation for women. "

④ Lingnan caiyao Lu: "it can treat drenching, urinate and eliminate heat and toxin. "

⑤ "Guangxi Traditional Chinese medicine annals": "treat women's leucorrhea and Sha Qi. "

⑥ "Materia medica push Chen": "treatment of fire drenching, deficiency drenching, jaundice. "

⑦ "Treatment of dysentery, snake bite. "

[usage and dosage] oral administration: decoct soup, 3-6 yuan; or mash juice. External use: appropriate amount of fresh products for external use, tamping or frying and washing.

Store in a cool and dry place.

[prescription selection] 1. For the treatment of sores and inflammations: hold the fresh leaves of sanbaicao, mash them, apply them to the affected area, and change them twice a day. (Fujian folk herbal medicine).

② Treatment of Hydrangea: fresh three white grass, mash juice wash affected parts. (records of medicinal plants of Tianmu Mountain in Zhejiang Province)