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Three new compounds, two triterpenes, mangiferenes A (1) and B (2), and one coumaroyl glucoside, mangiferzene glucoside (3), along with 19 known compounds were isolated from the crude acetone extract of the twigs of Mangifera foetida Lour. Their structures were determined by 1D and 2D NMR spectroscopic data. The antioxidant and antibacterial activities of the isolated compounds were evaluated.
A new lupane type triterpene, 3β,20,25-trihydroxy lupane, was isolated from the petrol extract of the leaves of Rhus taitensis together with the known compounds 3,20-dihydroxylupane, 20-hydroxylupane-3-one, 20,28-dihydroxylupane-3-one, 3,16-dihydroxylup-20(29)-ene and 28-hydroxy-β-amyrone. Their structures were determined by means of spectral methods.
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