UPSI Digital Repository (UDRep)
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UPSI Digital Repository (UDRep)
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| Total records found : 3 |
| Simplified search suggestions : Muhammad Taher |
| 1 | 2017 article | Biflavonoids from the leaves and stem bark of garcinia griffithii and their biological activities Wan Salleh Wan Mohd Nuzul Hakimi, Nik Sazali Nik Shazwani Afifah, Ahmad Farediah, - Muhammad Taher, 3209 hits |
| 2 | 2020 article | A new xanthone dimer and cytotoxicity from the stem bark of Calophyllum canum Muhammad Taher A phytochemical investigation of the stem bark of Calophyllum canum resulted in the isolation of a new xanthone dimer identified as biscaloxanthone (1), together with four compounds; trapezifoliaxanthone (2), tra-pezifolixanthone A (3), taraxerone (4) and taraxerol (5). The structures of these compounds were determined via spec-troscopic methods of IR, UV, MS and NMR (1D and 2D). The cytotoxicity of compounds 1-3 were screened against A549, MCF-7, C33A and 3T3L1 cell lines, wherein weak cytotoxic activities were observed (IC 50 > 50 μM).
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| 3 | 2021 article | A new xanthone dimer and cytotoxicity from the stem bark of Calophyllum canum Muhammad Taher A phytochemical investigation of the stem bark of Calophyllum canum resulted in the isolation of a new xanthone dimer identified as biscaloxanthone (1), together with four compounds; trapezifoliaxanthone (2), trapezifolixanthone A (3), taraxerone (4) and taraxerol (5). The structures of these compounds were determined via spectroscopic methods of IR, UV, MS and NMR (1D and 2D). The cytotoxicity of compounds 1-3 were screened against A549, MCF-7, C33A and 3T3L1 cell lines, wherein weak cytotoxic activities were observed (IC50 > 50 ?m). 2020 Walter de Gruyter GmbH, Berlin/Boston 2020... 449 hits |
