Two new compounds from the seeds of <i>Vernonia anthelmintica</i>
Zulipiya MaimaitiState Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, ChinaAblajan TurakState Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, ChinaHaji Akber AisaState Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
2016en
ABI
Аннотация
Two new compounds, named benzoyl-vernovan (1) and 2-(4'-hydroxyphenyl)-6-methyl-4H-pyran-4-one (2), together with one biflavonoid (3), one aurone (4) and six flavonoids were isolated from the seeds of Vernonia anthelmintica. Their structures were elucidated by extensive spectroscopic analyses and comparison with published data, and their influence on melanin content in B16 melanoma cells were tested. 5 and 9 increased melanin content by 2.2% and 30.9% higher than positive control 8-methoxypsoralen.
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