Liposolubility constituents from leaves of Aquilaria sinensis / 中国中药杂志

ABSTRACT

<p><b>OBJECTIVE</b>To study the chemical constituents of the leaves of Aquilaria sinensis.</p><p><b>METHOD</b>The compounds were isolated and purified by the methods of solvent extraction and chromatographic technique, and their structures were identified on the basis of the analyses of spectral data.</p><p><b>RESULT</b>Eleven compounds were obtained and identified as beta-sitosterol (1), hexacosanic acid (2), cryptotanshinone (3), 2alpha-hydroxyursane (4), dihydrotanshinone I (5), tanshinone I (6), tanshinone II(A) (7), 2alpha-hydroxyursolic acid (8), p-hydroxybenzoic acid (9), hydroquinone (10), and daucosterol (11), respectively.</p><p><b>CONCLUSION</b>All compounds except for compound 9 were isolated from the leaves of A. sinensis for the first time.</p>