%0 Journal Article %T Isolation and quantitative HPLC-PDA analysis of lupeol in phytopharmaceutical intermediate products from Vernonanthura ferruginea (Less.) H. Rob. %A Oliveira %A Ezequiane Machado Silva %A Freitas %A Sabrine Lemes %A Martins %A Frederico Severino %A Couto %A Ren¨º Oliveira %A Pinto %A Mariana Viana %A Paula %A Jos¨¦ Realino %A Concei£¿£¿o %A Edemilson Cardoso %A Bara %A Maria Teresa Freitas %J Qu¨ªmica Nova %D 2012 %I Sociedade Brasileira de Qu¨ªmica %R 10.1590/S0100-40422012000500032 %X prior to obtain a standardized dried extract from v. ferruginea, lupeol was first time isolated from leaves and used as chemical maker. an analytical method using hplc-pda for lupeol determination in v. ferruginea intermediate products was developed using a c8 reverse-phase column, acetonitrile-acetic acid (99.99:0.01, v/v) as mobile phase at 0.8 ml min-1, oven temperature at 23-25 oc, sample injection volume at 30 ¦Ìl and detection at 210 nm. the method presented linearity from 10 to 160 ¦Ìg ml-1, accuracy, precision, robustness and suitable sensitivity proving to be a useful tool to the obtainment process of lupeol standardized dried extracts of v. ferruginea. %K quality control %K triterpene %K standardized dried extract. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0100-40422012000500032&lng=en&nrm=iso&tlng=en