左旋多巴

[ 化學名稱 ] L-多巴，左旋多巴，L-酪氨酸，3-羥基 
[CAS號]  59-92-7
[分子式和分子量]
  C9H11NO4，197.19  
[ 物理特性 ]  無色無味的晶體或晶體粉末。
[提取來源] 蠶豆，貓豆，長春油麻藤 
 白樺油麻藤，藜豆種子豆的種子。
[外觀] 白色至類白色結晶性粉末
左旋多巴的COA
含量：99.5％
PH值：5.6
吸光率：137-147
比旋度：-160°—-- 167°
乾燥失重：≤1.0％
重金屬：≤10ppm
灰分≤1.0％
[毒理學]
The drug is just like dopamine to anti-Parkinson's disease, levodopa for the synthesis of dopamine is in the precursor material, itself has no pharmacological activity, through the blood-brain barrier into the hub, it changes into dopamine by the decarboxylase role, then produces pharmacological effects and improve symptoms of Parkinson's disease.該藥物就像多巴胺一樣能抵抗帕金森氏病，左旋多巴用於合成多巴胺是在前體物質中，本身沒有藥理活性，通過血腦屏障進入中樞，它通過脫羧酶作用轉變為多巴胺，然後產生藥理作用並改善帕金森氏病症狀。 Due to the drug can increase brain dopamine, norepinephrine and other neurotransmitters, and also can enhance the tolerance of the brain to ammonia.由於該藥物能增加腦中的多巴胺，去甲腎上腺素和其他神經遞質，還可以增強腦對氨的耐受性。 Therefore, it is used for curing hepatic coma and improving hub functions ,so that make the patients clear in mind and symptoms improved.因此，它可用於治療肝昏迷和改善樞紐功能，使患者頭腦清晰，症狀得到改善。
[關於左旋多巴]
Levodopa is used to treat the symptoms of Parkinson's disease including tremors (shaking), stiffness, and slowness of movement.左旋多巴用於治療帕金森氏病的症狀，包括震顫（顫抖），僵硬和運動緩慢。 It may also improve your gait (walk), posture, swallowing, speech, handwriting, vigor, alertness, and sense of well-being and may control excess salivation and seborrhea (oily, crusty, scaly skin).它還可以改善步態（步行），姿勢，吞嚥，言語，筆跡，活力，機敏性和幸福感，並可以控製過多的流涎和皮脂溢（油膩，硬皮，鱗屑狀的皮膚）。

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