藥學(xué)英語(yǔ)之黃芪

RadixAstragali（黃芪）MilkvetchRootOriginsTonicherbs滋補(bǔ)藥材Heat-removingdrugs清熱藥Purgatingdrugs瀉下藥Medicinesforrheumatism祛風(fēng)濕藥Hemostatics

止血藥PlantmorphologyAperennialherb,mainrootstout.多年生草本，主根粗壯。Stemerectandbranchedattheupperpart.莖直立，上部分枝。Leavesodd-pinnatelycompound,alternate.奇數(shù)羽狀復(fù)葉，互生。Flowersinaxillaryracemes,calyxcampanulate.花為總狀花序，腋生，花萼鐘形。CollectionandpreparationThedrugiscollectedinspringandautumn,removedfromsoil,rootletandrootstock,anddriedinsun.春秋季節(jié)采收藥材，去除泥土、細(xì)根、根頭，曬干。DescriptionExternallypalebrownish-yelloworpalebrown,withirregular,longitudinalwrinklesandmoretransverselenticel-likeprotrudings,corkeasilyexfoliated,exposingyellowish-whitecortex,sometimesshowingreticulatedfibrebundles.表面為淺棕黃色或淺棕色，有不規(guī)則縱皺紋和眾多橫長(zhǎng)皮孔樣突起，栓皮易剝落而露出黃白色皮部，有時(shí)可見(jiàn)網(wǎng)狀纖維束。Woodpaleyellowwithradiatestriationsandfissures,thecentrepartofoldrootoccasionallyrotten-wood-shaped.木部淡黃色，有放射狀紋理和裂隙，老根中心偶呈枯朽狀。理化鑒別Filter-filtrate過(guò)濾-濾液Neuralaluminiumoxidecolumn中性氧化鋁rateElute-elutate

洗脫-洗脫液Residue殘?jiān)黱-butanolsaturatedwithwater水飽和正丁醇Thetestsolution供試品溶液CRSchemicalreferencestandards化學(xué)對(duì)照品Thereferencesolution標(biāo)準(zhǔn)溶液Thinlayerchromatography薄層色譜Sulfuricacid硫酸

formicacid甲酸Fluorescentspots熒光斑點(diǎn)取本品粉末1g，加三氯甲烷20ml，加熱回流30分鐘，濾過(guò)，濾液蒸干，殘?jiān)尤燃淄?ml使溶解作為供試品溶液。另取五味子對(duì)照藥材1g，同法制成對(duì)照藥材溶液。再取五味子甲素對(duì)照品，加三氯甲烷制成每1ml含1mg的溶液，作為對(duì)照品溶液。To1gofthepowderadd20mlofchloroform,heatunderrefluxonawaterbathfor0.5hour,filter,evaporatethefiltratetodryness.Dissolvetheresiduein1mlofchloroformasthetestsolution.ProduceasolutionofFructus

Schsandrae

Chinensisreferencedruginthesamemannerasthereferencedrugsolution.Dissolvedeoxyschizandrin(五味子甲素)CRSinchloroformtoproduceasolutioncontaining1mgpermlasthereferencesolution.照薄層色譜法（附錄VIB）試驗(yàn)，吸取上述三種溶液各2uL，分別點(diǎn)于同一硅膠GF254薄層板上，以石油醚-甲酸乙酯-甲酸（15：5：1）的上層溶液為展開劑，展開，取出，晾干，置紫外燈光下檢視。供試品色譜中，在與對(duì)照藥材和對(duì)照品色譜相應(yīng)的位置上，顯相同顏色的斑點(diǎn)。

Carryoutthemethodforthinlayerchromatography(AppendixVIB),usingsilicagelGF254asthecoatingsubstanceandtheupperlayerofpetroleumether(30~60℃)-ethylformate-formicacid(15:5:1)asthemobilephase.Applyseparatelytotheplate2mleachofthethreesolutions.Afterdevelopingandremovaloftheplate,dryitinair,examineunderultravioletlight(254nm).Thespotsinthechromatogramobtainedwiththetestsolutioncorrespondinpositionandcolourtothespots