Presented at the DLSU Research Congress 2015 De La Salle University, Manila, Philippines March 2-4, 2015 Triterpenes and Sterol from Hoya mindorensis Virgilio D. Ebajo Jr.1, Chien-Chang Shen2, and Consolacion Y. Ragasa 1* 2National 1Chemistry Department, De La Salle University - Manila Research Institute of Chinese Medicine, 155-1, Li-Nong St., Sec. 2, Taipei 112, Taiwan *[email protected] Abstract: Chemical investigation of the dichloromethane extract of the air-dried roots of Hoya mindorensis Schlechter afforded lupenone (1) and lupeol (2). The leaves yielded 2, squalene (3), β-sitosterol (4), while stems afforded betulin (5). The structures of 1-5 were identified by comparison of their 1H and/or 13C NMR data with those reported in literature. Keywords: Hoya mindorensis; Apocynaceae; lupenone; lupeol; squalene; β-sitosterol; betulin GRC -III-010
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