Botanical name 學名﹕
Ourouparia rhynchophylla Matsum.鉤藤
Uncaria rlynchophylla (Miq.) Jacks.
Uncaria macrophylla Wall 大葉鉤藤
Uncaria hirsuta Haviland 毛鉤藤
Uncaria sinensis Haviland 華鉤藤
Uncaria sessilifructus Roxb.無柄果鉤藤
Uncaria scandens (Smith) Hutch. 攀茎鉤藤
Other Names 別名﹕
tiao teng 釣藤 , tiao teng 吊藤 , tiao teng gou zi 鉤藤鉤子, tiao gou teng 釣鉤藤 , ying zhao feng 莺爪风, ying zao feng 鷹爪風﹐nen gou gou 嫩鉤鉤 , jin gou teng 金鉤藤 , gua gou teng 挂 鉤藤 ,gou ting 鉤丁 , dao gua jin gou 倒挂金鉤 , gou er 鉤耳 .
Common Name 英文名﹕
gamdir vine, uncaria stems with hooks
Distribution 產地﹕
Ourouparia rhynchophylla Matsum is distributed in Fujian, Guangdong, Guangxi, Jiangxi, Hunan, Sichuan, Guizhou. The herb is mainly produced in Guangxi, Jiangxi, Hunan, Zhejiang, Guangdong.
Uncaria sinensis Haviland is distributed in Hunnan, Hubei, Guangxi, Sichuan, Guizhou, Yunnan. The herb is mainly produced in Sichuan, Guizhou, Yunnan, and Hubei.
1. 鉤藤分布浙江，福建，廣東，廣西，江西，湖南，四川，貴州等地。藥材主產廣西，江西，湖南，浙江，廣東。
2. 華鉤藤分布湖南，湖北，廣西，四川，贵州，云南等地。药材主產四川，貴州，云南，湖北等地。
Properties (characteristics) 性味﹕
sweet, cool.
甘，凉。
Channels (meridians) entered 歸經﹕
liver, pericardium
歸肝，心包經。
Medical functions 藥理﹕
(1) sedative effect: lower the excitement of CNS helps treatment of epilepsy.
(2) lowering blood pressure effect (but does not cause peripheral vasodilation) but old stems without thorns do not possess the anti-hypertension effect.
(3) anti platelet coagulation
(1) 鎮靜作用﹕降低中樞 神經系統興奮性。
(2) 降血壓作用(但不擴張外圍血管)﹕無刺的老枝不具有降血壓作用。
(3) 抗血小板凝聚。
Actions & Indications 主治﹕
1. for liver yang ascending: hypertension, blurry vision, dizziness and headache
2. for liver heat: swollen and red eyes
3. for liver heat wind syndrome: seizure in small children, influenza with seizure
4. for pre-eclampsia in pregnant women
1. 治肝陽上亢，血壓高，目眩，頭暈頭痛。
2. 清 肝热：目赤腫痛 ,
3. 息肝風：可治熱動肝風，小兒急驚風，感冒夾驚，
4. 婦人子痫。
Chemical ingredients 化學成份﹕
带鉤茎枝叶含 Ramulus Uncariae cum Uncis contain﹕
1. 钧藤鹼 Rhynchophylline
2. 異鉤藤鹼 Isorhynchophylline
3. 柯諾辛因鹼 Corynoxeine
4. 異柯諾辛因鹼 Isocorynoxeine
5. 柯楠因鹼 Corynantheine
6. 二氫柯楠因鹼 Dihydrocorynantheine
7. 硬毛帽柱木鹼 Hirsutine
8. 硬毛帽柱木因鹼 Hirsuteine
9. 異鉤藤鹼 isorhynchophylline
10.赛雞纳鹼 corynoxeine
11.異赛雞纳鹼 isocorynoxeine
12.毛帽柱木鹼 hirsutine
13.去氫毛帽柱木鹼 hirsuteine
14.兜花木鹼 corynantheine
15.二氫兜花木鹼 dihydro-corynantheine
Dosage 用量﹕
For decoction: 4.5 g to 9 g. Or use in powder form. If using in decoction do not boil for long time. It should be put into the pot during the later stage of decocting. Boiling over 15 minutes will weaken its effectiveness in the lowering blood pressure in liver yang ascending syndrome, and it will not be effective in treating Parkinson's disease. . It is advisable to write down in prescription that the herb should be put in last and cook for only10 minutes.
煎湯:1.5～3錢；或入散劑。入湯劑 不宜久煎,宜 後下。如 煮沸15分鐘以上，其治肝陽上亢 降壓效能顯著减弱，對治帕金森氏症則無效。故忌久煎。
處方時應該註明後下。再煮10分鐘即可起鍋。
Samples of formulae 處方舉例﹕
Over active sympathetic nervous system with hypertension:
tian ma gou teng yin
For rheumatoid arthritis:
gou teng 15 to 24 g
Boil with water for about 15 minutes. Drink as tea while warm.
For Parkinson's disease, depression of middle age and old age people: gou teng san肝陽上亢﹐自律神經亢進﹐兼有高血壓﹕
天麻鉤藤飲
風濕性關節炎﹕
鉤藤 15克~24克。
加水煎15分鐘。溫服。
帕金森氏症；中，老年人憂鬱症：鉤藤散
Toxicity & Cautions 毒素與禁忌﹕
In animals large amounts can cause damage to the heart and liver and even death.
According to classical writings, "Ben Cao New Edition": "It can damage qi and do not use in cases of deficiencies" and according to "Ben Cao Cong Xin": "Do not use in cases of lacking fire."
大劑量可導致動物心，肝 ，損傷 而死亡。
《本草新编》： "最能盗氣，虚者勿投。"《本草從新》："無火者勿服。"
Pre-eclampsia: abnormal condition in pregnancy or postpartum with hypertension, edema, and seizures, cardiac exhaustion, kidney failure, and strokes. If not treated in time it may cause death.
子痫是妊娠高血壓综合症最嚴重的階段，患者會出現抽搐，昏迷，心力衰竭，腎臟功能衰竭等症状，并可發生子宫卒中，腦溢血等并發症，如不及時搶救，可致孕婦死亡。
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