中文名 | (-)-表阿夫儿茶精 |
英文名 | (-)-Epiafzelechin |
别名 | (-)-表阿夫儿茶精 |
英文别名 | (-)-EPIAFZELECHIN (-)-Epiafzelechin (-) - epiaf catechin (2R,3R)-2-(4-Hydroxyphenyl)-3,5,7-chromantriol (2R,3R)-2-(4-Hydroxyphenyl)-3,5,7-chromanetriol (2R,3R)-3,4-Dihydro-2-(4-hydroxyphenyl)-2H-1-benzopyran-3,5,7-triol 2H-1-Benzopyran-3,5,7-triol,3,4-dihydro-2-(4-hydroxyphenyl)-, (2R,3R)- [2R,(-)]-3,4-Dihydro-2α-(4-hydroxyphenyl)-2H-1-benzopyran-3α,5,7-triol |
CAS | 24808-04-6 |
化学式 | C15H14O5 |
分子量 | 274.27 |
密度 | 1.492±0.06 g/cm3(Predicted) |
熔点 | 241 °C (decomp) |
沸点 | 583.4±50.0 °C(Predicted) |
比旋光度 | ?58.9 (c, 3 in EtOH).? 4 (c, 1 in Me2CO) |
酸度系数 | 9?+-.0.60(Predicted) |
存储条件 | 2-8℃ |
物化性质 | 生物活性 (-)-Epiafzelechin,可从根茎中分离出,具有强大的抗氧化活性,EC50为 20.9 μM (EC50=5.7 μg/mL)。 |
参考资料 展开查看 | 1. [IF=3.638] Jiazheng Lin et al."Effect of red light on the composition of metabolites in tea leaves during the withering process using untargeted metabolomics."Journal Of The Science Of Food And Agriculture. 2021 Sep 04 2. [IF=7.514] Jie Meng et al."Conduction of a chemical structure-guided metabolic phenotype analysis method targeting phenylpropane pathway via LC-MS: Ginkgo biloba and soybean as examples."FOOD CHEMISTRY. 2022 Oct;390:133155 |
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