Pharmaceutical name: 英文藥名﹕ | Medulla Tetrapanacis papyriferis |
Botanical name: 學名﹕ | Tetrapanax papyriferus (Hook.) K .Koch |
Pron. in Japanese: 日語發音﹕ | tsuso |
Pron. in Korean: 韓語發音﹕ | tongcho |
Pron. in Cantonese: 粵音﹕ | tung1 cou2 |
Other Names: 別名﹕ | da tong cao 大通草，tong hua 通花，fang cao 方草，tong tuo mu 通脫木，huo duo 活奪，li nan 離南。 處方用名：通草，方通草，絲通草，穿方通。 |
Common Name: 英文名﹕ | rice paper plant pith |
Distribution: 產地﹕ | mainly produced in Taiwan, Guizhou, Guangxi, Yunnan provinces of China. 主產臺灣，貴州，廣西，雲南。 |
Properties (characteristics)﹕ 性味﹕ | sweet, bland, slightly cold, nontoxic. 甘 ，淡，微寒 ，無毒。 |
Channels (meridians) entered: 歸經﹕ | lung, stomach. 歸肺，胃經。 |
| Medical functions: 藥理﹕ | - diuretic effect
- increases excretion of potassium in urine
- lactagogues (promoting the flow of breast milk)
- polysaccharide of tong cao possesses the effect of regulating auto-immune system and anti-oxidant
- 利尿作用。
- 增加尿鉀排出量。
- 促進乳汁分泌。
- 通草多糖具有調節免疫和抗氧化的作用。
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Actions & Indications: 主治﹕ | Being used in typhoid, paratyphoid with dark urine, pain in gonorrhea, edema scanty urine, and lack of mother's milk. 用於濕溫 (瘟)（腸傷寒及副傷寒）尿赤，淋病澀痛，水腫尿少，乳汁不下。 |
Chemical ingredients: 化學成份﹕ | 含肌醇（inositol） ，聚戌糖，多聚基戌糖，阿拉伯糖 (arabinose )，乳糖 (lactose)，半乳糖醛酸 (galacturonic acid)等。 |
Dosage: 用量﹕ | 2~5 g |
Samples of formulae: 處方舉例﹕ | cui ru tang 催乳湯 |
Modern Research: 現代研究﹕ | |
Toxicity & Cautions: 毒素與禁忌﹕ | yinxu (yin deficient) with qixu (qi deficient) and without damp-heat or during pregnancy should no use. 氣虛建有陰虛，內無濕熱 者及孕婦忌用。 |