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Isolation, structure elucidation, tyrosinase inhibitory, and antioxidant evaluation of the constituents from Angelica dahurica roots.
Journal of Natural Medicines ( IF 3.3 ) Pub Date : 2019-11-26 , DOI: 10.1007/s11418-019-01375-8 Penghua Shu 1 , Junping Li 1 , Yingying Fei 1 , Huiqing Zhu 1 , Mengzhu Yu 1 , Anqi Liu 1 , Haoying Niu 1 , Simin Zou 1 , Xialan Wei 2 , Zhiyu Ju 1 , Zhihong Xu 1
Journal of Natural Medicines ( IF 3.3 ) Pub Date : 2019-11-26 , DOI: 10.1007/s11418-019-01375-8 Penghua Shu 1 , Junping Li 1 , Yingying Fei 1 , Huiqing Zhu 1 , Mengzhu Yu 1 , Anqi Liu 1 , Haoying Niu 1 , Simin Zou 1 , Xialan Wei 2 , Zhiyu Ju 1 , Zhihong Xu 1
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Two undescribed phenolic compounds, angelicols A (1) and B (2) and one undescribed coumarin rhamnoside, angelicoside A (3), together with 17 known compounds (4–20) were isolated from the roots of Angelica dahurica. Their structures were characterized by physical data analyses such as NMR, HRESIMS, and X-ray diffraction. Compounds 2, 3, 5, 6 and L-ascorbic acid (positive control) exhibited obvious DPPH radical scavenging activities with IC50 values of 0.36 mM, 0.43 mM, 0.39 mM, 0.44 mM, 0.25 mM, respectively. At a concentration of 25 μM, all compounds showed weaker tyrosinase inhibition activities (%inhibition < 5%) than kojic acid (26.00 ± 0.67%, IC50 = 44.29 ± 0.06 μM).
中文翻译:
当归根中成分的分离,结构鉴定,酪氨酸酶抑制和抗氧化剂评估。
两个未描述的酚类化合物,angelicols A(1)和B(2)和一个未描述的香豆素鼠李糖苷,angelicoside A(3),加上17种已知的化合物(4 - 20)从根分离白芷。通过物理数据分析(例如NMR,HRESIMS和X射线衍射)对它们的结构进行了表征。化合物2,3,5,6和L-抗坏血酸(阳性对照)显示出明显的DPPH自由基清除活性用IC 50分别为0.36 mM,0.43 mM,0.39 mM,0.44 mM和0.25 mM。在浓度为25μM时,所有化合物都显示出比曲酸(26.00±0.67%,IC 50 = 44.29±0.06μM)弱的酪氨酸酶抑制活性(抑制%<5%)。
更新日期:2019-11-26
中文翻译:
当归根中成分的分离,结构鉴定,酪氨酸酶抑制和抗氧化剂评估。
两个未描述的酚类化合物,angelicols A(1)和B(2)和一个未描述的香豆素鼠李糖苷,angelicoside A(3),加上17种已知的化合物(4 - 20)从根分离白芷。通过物理数据分析(例如NMR,HRESIMS和X射线衍射)对它们的结构进行了表征。化合物2,3,5,6和L-抗坏血酸(阳性对照)显示出明显的DPPH自由基清除活性用IC 50分别为0.36 mM,0.43 mM,0.39 mM,0.44 mM和0.25 mM。在浓度为25μM时,所有化合物都显示出比曲酸(26.00±0.67%,IC 50 = 44.29±0.06μM)弱的酪氨酸酶抑制活性(抑制%<5%)。