藏边大黄中茋类化合物Piceatannok的含量测定 关键词] 藏边大黄；HPLC；茋类化合物；Piceatannol [gap=884]Key words] Rheum emodi Wall.; HPLC; Stilbene; Piceatannol
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In order to investigate the antioxidant activity, thirteen stilbene derivatives was examined by DPPH method. The radical scavenging ability is greatly increased by 2, 5-dihydroxy groups in the skeleton.
为了考察羟基衍生物的抗氧化活性,应用DPPH法对13个茋类化合物进行自由基清除能力评价。
参考来源 - 茋类化合物的设计、合成及其活性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
不同营养器官和组织中蒽醌类和茋类化合物的分布，为合理利用何首乌提供科学依据。
Objective To investigate the distribution of anthraquinones and stilbene in different organs and tissues of Polygonum multiflorum Thunb.
本论文对天然低聚茋类化合物的生物活性与仿生合成，以及天然茋类衍生物的研究进展进行了综述。 对两种买麻藤属植物的化学成分进行了研究。
We have made a progress on the basis of the bioactivities and mimic biosynthesis of naturally occurring oligostilbenes, as well as the natural stilbene derivatives.
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