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浏览/检索结果: 共9条，第1-9条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Targeted isolation of 1,1-diphenyl-2-picrylhydrazyl inhibitors from Saxifraga atrata and their antioxidant activities 期刊论文 JOURNAL OF SEPARATION SCIENCE, 2022, 卷号: 45, 期号: 14, 页码: 2435 作者:  Fang, Y;  Dawa, Y;  Wang, QL;  Lv, Y;  Yu, W 收藏  |  浏览/下载：6/0  |  提交时间：2022/12/02 Three new dihydroflavonols with free radical scavenging activity from Ribes himalense Royle ex Decne 期刊论文 NATURAL PRODUCT RESEARCH, 2022, 卷号: 36, 期号: 21, 页码: 5490 作者:  Liu, C;  Lei, YQ;  Li, G;  Yuan, C;  Lv, Y 收藏  |  浏览/下载：4/0  |  提交时间：2022/12/02 Targeted isolation of 1,1-diphenyl-2-picrylhydrazyl inhibitors from Saxifraga atrata using medium- and high- pressure liquid chromatography combined with online high performance liquid chromatography-1,1-diphenyl-2-picrylhydrazyl detection 期刊论文 JOURNAL OF CHROMATOGRAPHY A, 2021, 卷号: 1635 作者:  Dawa, Yangzom;  Du, Yurong;  Wang, Qi;  Chen, Chengbiao;  Zou, Denglang 收藏  |  浏览/下载：23/0  |  提交时间：2021/11/18 Saxifraga atrata  Online HPLC-DPPH assay  Medium-pressure liquid chromatography  High-pressure liquid chromatography  DPPH inhibitors   Preparative isolation of 1,1-diphenyl-2-picrylhydrazyl inhibitors from Ribes himalense using medium-pressure and two-dimensional reversed-phase/reversed-phase liquid chromatography guided by an online HPLC-1, 1-diphenyl-2-picrylhydrazyl assay 期刊论文 JOURNAL OF SEPARATION SCIENCE, 2021, 卷号: 44, 期号: 7 作者:  Liu, Chuang;  Lei, Yuqing;  Dang, Jun;  Wang, Weidong;  Zhang, Jing 收藏  |  浏览/下载：15/0  |  提交时间：2021/11/18 free radical inhibitors  liquid chromatography  medium-pressure chromatography  Ribes himalense   Preparative isolation of antioxidative gallic acid derivatives from Saxifraga tangutica using a class separation method based on medium-pressure liquid chromatography and reversed-phase liquid chromatography 期刊论文 JOURNAL OF SEPARATION SCIENCE, 2021, 卷号: 44, 期号: 20 作者:  Dang, Jun;  Wang, Qi;  Wang, Qilan;  Yuan, Chen;  Li, Gang 收藏  |  浏览/下载：24/0  |  提交时间：2021/11/18 1  1-diphenyl-2-picrylhydrazyl inhibitors  gallic acid derivatives  preparative isolation  Saxifraga tangutica   Preparative separation of 1,1-diphenyl-2-picrylhydrazyl inhibitors originating from Saxifraga sinomontana employing medium-pressure liquid chromatography in combination with reversed-phase liquid chromatography 期刊论文 RSC ADVANCES, 2021, 卷号: 11, 期号: 61, 页码: 38739 作者:  Dang, J;  Ma, JB;  Dawa, YZ;  Liu, C;  Ji, TF 收藏  |  浏览/下载：3/0  |  提交时间：2022/12/02 Novel Water Soluble Chitosan Derivatives with 1,2,3-Triazolium and Their Free Radical-Scavenging Activity 期刊论文 MARINE DRUGS, 2018, 卷号: 16, 期号: 4, 页码: UNSP 107 作者:  Li, Qing;  Sun, Xueqi;  Gu, Guodong;  Guo, Zhanyong 收藏  |  浏览/下载：10/0  |  提交时间：2020/07/08 chitosan derivatives  1,2,3-triazolium  free radical-scavenging activity   Preliminary screening of 44 plant extracts for anti-tyrosinase and antioxidant activities 期刊论文 PAKISTAN JOURNAL OF PHARMACEUTICAL SCIENCES, 2015, 卷号: 28, 期号: 5, 页码: 1737-1744 作者:  Wang Ya;  Zhao, Chun-Meng;  Guo Tao;  Zhu Yi-Lin;  Zhao Ping 收藏  |  浏览/下载：2/0  |  提交时间：2019/11/15 Anti-tyrosinase  antioxidant  DPPH  screening  skin-whitening   叶下珠提取物对酪氨酸酶的抑制和抗氧化作用 期刊论文 2012 陈良华; 刘轩; 明艳林(厦门华侨亚热带植物引种园); 童庆宣(厦门华侨亚热带植物引种园); 秦江; 陈清西 收藏  |  浏览/下载：3/0  |  提交时间：2012/10/19 叶下珠  酪氨酸酶  抑制  动力学  1  Phyllanthus urinaria L  tyrosinase  inhibition  kinetics  DPPH  1-二苯基-2-苦苯肼