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芍藥及含芍藥之中藥製劑之薄層層析鑑別

Studies on the Thin Layer Chromatographic Identification of Paeoniae Radix and This Herb in Some Chinese Her BAL Preparations

摘要


芍藥(PAEONIAE RADIX)具鎮痛、鎮痙、抗菌、抗濾過性病毒及擴張冠動脈等作用,其主要成分有paeoniflorin,albiflorin,oxypaeoniflorin及gallot annin,以往鑑別芍藥以五官檢查,顯微鏡下觀察組織切片和粉末等方法,其後發展化學呈色法及薄層層析法,但後者容易受到其他藥材共同存在之干擾,不適用於含芍藥之中藥製劑。故探求一簡易、迅速、有效的方法作為中藥製劑之芍藥成分的鑑別,極為必要。本實驗針對芍藥藥材,以薄層層析法分離出芍藥之特有成分及其圖譜特徵,作其共同性之探討,為顧慮到藥材栽培地區,採收期不同與基原的差異,所有實驗藥材分由北、中、南三區購得,經以芍藥主成分對照標準品paeoniflorin作對照試驗,向chloroform-methanol-water (26:14:5下層液)、n-butanol-glacial acetic acid-water (7:1:2.5)及n-butanol-ammonia water-ethanol (5:2:1)三種溶媒展開後,配合紫外燈(波長254nm)或p-anis aldehyde/H2SO4呈色觀察等檢視法,發現所有購得之芍藥藥材,在各溶媒系中薄層層析板上皆呈現共同的圖譜及特徵(如表1)。 以此結果應用於市售含芍藥之葛根湯、五積散及加味逍遙教等中,並依中藥製劑層析鑑別法調配空白製劑作為對照,結果顯示含芍藥之中藥製劑不論劑型為丸劑、散劑或濃縮劑等,均能容易檢出芍藥成分之特有斑點(表2及表3),在對照的空白製劑中卻無這些斑點。

關鍵字

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並列摘要


In this experiment we develoed three mobile-phase systems of T. U. C. for identifying Paeoniae Radix and this herb contained in Chinese herbal preparations. The mobile-phase systems were chloroform-methanol-water (26:14: 4 lawer layer), n-butanol-glacial acetic acid -water (7:1:2.5) and n-butanol-ammonia water-ethanol (5:2:1). With the mobile-phase systems. We could easily separate Paeoniae Radix in Ko-Ken-tang, Wu-chi-san and Chia-wei-hsiao-yao san and clearly identify the spots corresponding to the constituents of Paeoniae Radix with U.V. light (254 nm) or panisaldehyde/H2SO4 spray reagent.

並列關鍵字

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