bai jie zi 白芥子

Pharmaceutical name英文藥名﹕
Semen Sinapis albae （白芥）(white jie zi)
Botanical name學名﹕
Sinapis alba, L.; （白芥）(white jie zi)
Brassica alba (L.) Boiss. （黄芥）（yellow jie zi)
Common Name英文名﹕
white mustard seed
Distribution產地﹕
Anhui, Henan, Hebei, Shanxi, Shandong Sichuan, Shaanxi, Zhejiang
主產於安徽，河南，河化，山西， 山東，四川，陕西，浙江等地。
Properties(characteristics)性味﹕
acrid, warm and slightly toxic.
辛，温，微毒。
Channels (meridians) entered歸經﹕
lung, stomach.
肺，胃。
Medical functions藥理﹕
Expels phlegm; calming asthma
Inhibits bacteria.
平喘袪痰
抑菌
Actions & Indications主治﹕
Being used in cold phlegm obstruction type of cough, pain and fullness in rib cage, asthmatic cough with abundance of phlegm, pain in limbs and joints, migrating sores, chronic bronchitis, emphysema, leaching pleurisy, neuralgia.
寒痰壅滯之咳嗽氣逆，胸脅滿痛，喘咳痰多症，肢體關節疼痛，陰阻漫腫痰濕流注，慢性氣管炎，肺氣腫，滲出性胸膜炎，神經痛。
Chemical ingredients/化學成份﹕
sinalbin/白芥子甙
myrosin/芥子酶
sinapine/芥子碱
4-hydroxybenzoylcholine/4-羟基笨甲酰胆碱
4-hydroxybenzylamine/4-羟基笨甲胺
Glucosinalbin/葡萄白芥子苷
Bitters/苦味質
Sinapinrhodanide/芥子鹼
fatty acid/脂肪酸
Polysaccharides/聚醣類
Dosage用量﹕
For decoction: 3 to 10 g.  External application: use appropriate amount. Grind into powder and make paste. Apply to affect areas.
内服，煎湯，3-10克。外用：適量，研末調敷。
Toxicity & Cautions毒素與禁忌﹕
Not to use in cases of chronic cough due to lung deficient, or  yinxu (yin deficient) or heat in stomach. Taking large amount may cause diarrhea. External application for too long can cause inflammation. Avoid eye contact.
肺虛久咳，陰虛火旺及胃火熾盛者忌服。大剤量可能引起腹瀉。外敷過久可能引起皮膚發炎。避免接触眼睛。