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1、FructusCorni(山茱萸,ShanZhuyu)AsiaticCornelianCherryFruitAsiaticCornelianCherryFruitisthedriedripesarcocarpofCornusofficinalisSieb.etZucc.(Fam.Cornaceae).Thefruitiscollectedinlaterautumnandearlywinterwhenthepericarpturnsred,bakedoverasoftfireortreatedwithboilingwaterforamoment,remov
2、edfromkernintimeanddried.DescriptionIrregularlyflakyorbladdery,1-1.5cmlongand0.5-1cmwide.Externallypurplish-ridtopurplish-black,shrunken,lustrous.Sometimeswithroundedscarofpersistentcalyxattheapexandascaroffruitstalkatthebase.Texturesoft.Odour,slight;taste,sour;astringentandsligh
3、tlybitter.Identification(1)Powder:Reddish-brown.Epidermalcellsofpericarppolygonalofsub-rectangularinsurfaceview,16-30μｍindiameter,anticlinalwallsbeaded,outerpericlinalwallsgranularlycutinizedandthickened,lumencontainingpaleorange-yellowcontents.Cellsofcalciumoxalaterate13-32μｍind
4、iameter.Stonecellssub-square,ovoidorrectangular,pitsobviousandwithalargelumen.(2)To0.5gofthepowder,add10mlofethylacetate,ultrasonicatefor15minutes,filter,evaporatethefiltratetodryness.Dissolvetheresiduewith2mlofdehydratedethanolasthetestsolution.DissolveursolicacidCRSindehydrated
5、ethanoltoproduceasolutioncontaining1mgpermlasthereferencesolution.Carryoutthemethodforthinlayerchromatography(AppendixVIB),usingsilicagelGasthecoatingsubstanceandthemixtureoftoluene,ethylacetateandformicacid(20:4:0.5)asthemobilephase.Applyseparately5μlofeachoftwosolutionstothepla
6、te.Afterdevelopingandremovaltheplate,dryinair,spraywitha10%sulfuricacidinethanolandheatat105℃tothespotclear.Examineindaylight,avioletredspotinchromatogramobtainedwiththetestsolutioncorrespondsinpositionandcolourwiththespotinchromatogramobtainedwiththereferencesolution.Examineunde
7、rultravioletlightat365nm,anorangefluorescentspotinthechromatogramobtainedwiththetestsolutioncorrespondsinpositionandcolourtothespotinthechromatogramobtainedwiththereferencesolution.Foreignmatter(kernsandfruitstalks)Notmorethan3percent(AppendixIXK).WaterNotmorethan16.0percent(Appe
8、ndixIXH,method1).TotalashNotmorethan6.0p
