Pharmaceutical name: 英文藥名﹕	Folium Perillae Frutescentis
Botanical name: 學名﹕	Perilla frutescens (L.) Britt. P. frutescens (L.) Britt. var. typica Makino
Pron. in Japanese: 日語發音﹕	shisoyo
Pron. in Korean: 韓語發音﹕	chasoyop
Pron. in Cantonese: 粵音﹕	zi2 sou 1 jip6
Other Names: 別名﹕	紫蘇 zi su, 蘇葉 su ye, 乾蘇葉 gan su ye
Common Name: 英文名﹕	perilla leaf, Wild basil, Wild red basil, Chinese basil, Purple mint, Rattlesnake weed, Summer coleus
Distribution: 產地﹕	zi su is a farm grown plant. It is grown all over China. The wild varieties are widely distributed in Hebai, Shanxi, Jiangsu, Zhejiang, Jiangxi, Fujian, Taiwan, Hubei, Henan, Guangdong, Guangxi, Yunnan, Guizhou, and Sichuan provinces. 紫蘇為栽培品，全國廣泛種植。其野生變種分布於河北﹐ 山西﹐ 江蘇﹐ 浙江﹐ 江西﹐ 福建﹐ 台灣﹐ 湖北﹐ 海南﹐ 廣東﹐ 廣西﹐ 云南﹐ 贵州及四川。
Properties (characteristics)﹕ 性味﹕	acrid, aromatic, warm
Channels (meridians) entered:   歸經﹕	lung, spleen
Medical functions: 藥理﹕	antipyretic, expands skin blood vessels, stimulate sweat glands inhibits germs and fungi promotes secretion of digestive juices and enhances the movements of stomach and intestine   解熱，擴張皮膚血管、刺激汗腺分泌 抑菌 促進消化液的分泌和增加胃腸蠕動
Actions & Indications: 主治﹕	For influenza: with fever, unable to sweat, stuffy nose, headache, tightness in chest, vomiting. For qi stagnation Overly active fetus. Food poisoning from eating fish or shell fish. 用於感冒發熱、無汗、鼻塞頭痛、胸悶、嘔惡. 氣滯. 胎動不安以 進食魚蟹後引起的腹痛吐瀉等。
Chemical ingredients: 化學成份﹕	Chemical ingredients: 化學成份﹕  1. perillaldehyde 紫蘇醛,  L- perillaldehyde L—紫蘇醛, a-pinene, L-limonene L-檸檬烯, d—1imomene d—檸檬烯 isoegomaketone 異白蘇烯酮, egomaketone 白蘇烯酮 isoarnyl 3-furyl ketone 異戊基—3—呋喃甲酮 b-pinene, b-蒎烯, L-linalool L-芳樟醇, camphene 莰烯, menthol 薄荷醇, menthone 薄荷酮, perilla alcohol 紫蘇乙 醇 dihydroperilla alcohol 二氢紫蘇醇, eugenol 黃樟素 perilla ketone 紫蘇 酮 b-dehydro-elsholtzia elemicin 欖香脂素 perillanin 紫蘇色素 vitamin B1 維生素 B1 2. cumic acid 枯酸, [cyanidin-3-(6-p-coumaroyl-b-D-glucoside) 5-b-D-glucoside].
Dosage: 用量﹕	For decoction: 5 to 10 g. Boil briefly. Food poisoning from fish or crap: use single item of zi su of up to 30 g. External use: smash and apply to affected areas or wash with decoction. 入煎劑，常用量5～10克，不宜久煎。 治食魚蟹中毒﹕可單用至30克   外用：搗敷或煎水洗
Samples of formulae :處方舉例﹕	Wind cold type of flu: use xing su san 風寒咳嗽：用 杏蘇散
Modern Research: 現代研究﹕
Toxicity & Cautions: 毒素與禁忌﹕	Not to use in cases of febrile diseases, qixu (qi deficient)  or  weak exterior. 溫病及氣虛 表虛者忌服。