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1、華西藥學(xué)雜志W(wǎng)CJ·PS2006,21(2):139~142!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!茶樹油脂質(zhì)體的制備及質(zhì)量評(píng)價(jià)徐云龍,楊欣欣,徐盛(華東理工大學(xué)材料科學(xué)與工程學(xué)院,上海200237)摘要:目的制備茶樹油脂質(zhì)體并進(jìn)行質(zhì)量考察。方法采用逆相蒸發(fā)法制備茶樹油脂質(zhì)體,考察單因素制備工藝對(duì)包封率的影響和所得產(chǎn)品的形態(tài)、粒徑、穩(wěn)定性和體外透皮性。結(jié)果卵磷脂膽固醇的質(zhì)量比為311,藥物與脂質(zhì)原料的質(zhì)量比為-1時(shí),包封率可達(dá)84%;產(chǎn)物形態(tài)圓0.00751
2、1,PBS與有機(jī)溶劑體積比不大于111,超聲乳化時(shí)間為120s。制備轉(zhuǎn)速為20r·min整,粒徑為284.71121.5nm,冷藏90d穩(wěn)定;體外具有明顯緩釋性。結(jié)論逆相蒸發(fā)法可以成功地制備茶樹油脂質(zhì)體,包封率高、重復(fù)性好、質(zhì)量穩(wěn)定,具有優(yōu)良的緩釋性能。關(guān)鍵詞:茶樹油;脂質(zhì)體;包封率;逆相蒸發(fā)法;質(zhì)量評(píng)價(jià)中圖分類號(hào):R943,R944.1文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1006-0103(2006)02-0139-04PreparationandevaluationofteatreeoilliposomeXUYun-Iong,YANGXin-xin,XUSh
3、eng(SchoolofMaterialsScienceandEngineering,EastChinaUniUersityofScienceandTechnology,Shanghai200237,China)Abstract:OBJECTIVETostudythepreparationprocessofteatreeoiI(TTO)IiposomeandevaIuateitsguaIity.METHODSTheTTOIiposomewaspreparedbyreversephaseevaporationmethod.SingIefactorwas
4、usedtostudytheeffectsofseveraIinfIuencingfactorsinprepara-tiononencapsuIationefficiency.ThesefactorsincIudedratiosofIecithintochoIesteroI,drugtoIipid,PBStoorganicsoIvent,timeofuItrasonicemuIsification,etc.ThemorphoIogy,particIesizedistribution,stabiIityandtransdermaIreIeaseprof
5、iIeinUitroofTTOIiposomewereinvesti-gated.RESULTSAccordingtothefinaIprocess,theencapsuIationefficiencyofTTOIiposomereachedabove84%withgoodreproduction.TheTTOIiposomewassphericaIwithparticIesizebeing284.71121.5nm,guitestabIeafterconservinginrefrigeratorfor3monthsandofsustainedreI
6、easeinUitro.CONCLUSIONThereversephaseevaporationmethodcanbeusedtoprepareTTOIiposomesuccessfuIIy.Keywords:TeatreeoiI;Liposome;EncapsuIationefficiency;Reversephaseevaporationmethod;OuaIityevaIuationCLCnumber:R943,R944.1Documentcode:AArticleID:1006-0103(2006)02-0139-04茶樹油(teatreeo
7、iI,TTO)是白千層屬數(shù)種植物儀(河南鞏義市英峪予華儀器廠)。3F-UB型卵磷[1]枝葉提取的揮發(fā)性精油。通過激活單核細(xì)胞而抑脂(美國中央大豆公司);膽固醇(上海政翔化學(xué)試劑制炎癥介質(zhì)產(chǎn)生,改變微生物膜的通透性而抑制致研究所,BR);茶樹油(廣西南寧萬家輝種植有限公病細(xì)菌和霉菌,是強(qiáng)效無毒的天然殺菌劑。但濃度司);磷酸緩沖液(PBS,pH6.8,按《中國藥典》2000年較高時(shí)對(duì)皮膚產(chǎn)生刺激,對(duì)上皮細(xì)胞和成纖維細(xì)胞版標(biāo)準(zhǔn)配制);其余試劑均為分析純。[1~3]產(chǎn)生毒性,某些成分(如cineoI)還可引起過敏反1.2茶樹油脂質(zhì)體的制備[4,5]應(yīng)。因此,
8、有必要尋找合適的方法抑制茶樹油稱取一定比例的卵磷脂、膽固醇和茶樹油,溶于的刺激性。脂質(zhì)體除具有降低藥物不良反