Progress on phytoalexin research of solanaceous plants 茄科植保素的研究进展
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The paper reviewed traits and genetic rules of cotton against verticillium wilt in general , depicted the three approaches which exists in cotton defending against verticillium wilt through reinforcing physical structure , producing plant phytoalexin , interacting with microbes in detail 摘要本文概述了棉花抗黄萎病的特点与规律，指出棉花植株是通过自身组织结构的强化、植物抗毒素的合成以及微生物之间的互作三方面应对黄萎病菌的侵染。
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Artemisinin , a sesquiterpene lactone containing an endoperoxide bridge , is a kind of phytoalexin . sa , a key signal molecular during systemic acquaired resistance ( sar ) , is related to the biosynthesis of phytoalexin . aba , a stress - resistance plant hormone can influence the secondary metabolism to stimulate phytoalexin biosynthesis 青蒿素属于萜烯类化合物(倍半萜类)是植保素( phytoalexin )的一种， sa是植物产生系统获得性抗性的重要信号分子，与植保素的产生相关。
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Resveratrol ( trans - 3 , 5 , 4 - trihydroxystilbene ) is a naturally occurring phytoalexin produced by some spermatophytes , such as grapevines , in response to injury . research shows that resveratrol possesses activities of modulation of lipid metabolism , inhibition of lipid peroxidation ( ldl , membranes ) and platelet aggregation , etc . meanwhile as it can reduce coronary heart - disease mortality and features the activity of anti - inflammatory , it is condidered to have some beneficial effects on human health 白藜芦醇( resveratrol )是由一些种子植物对受伤作出反应时产生的一种植保素，实验证明白藜芦醇能够调节脂代谢和抑制低脂蛋白的氧化和血小板的凝集，而且能够提供心血管保护，并具备抗炎症和抗癌特性，对保护人体健康十分有益。
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Phytoalexins are low molecular weight chemicals that plants produce and accumulate in response to infection especially of fungal origin . sakuranetin is a kind of flavanone phytoalexin isolated from ultraviolet - irradiated rice leaves . recent research work on flavanone phytoalexins represented by sakuranetin is reviewed . interesting novel structures , stucture - activity relationships and synthetic methods are discussed 植物抗毒素是植物受到外界病原微生物侵扰后所产生并积累的一类具有抗菌活性的小分子物质,樱花素是从水稻稻瘟病感染组织中分离鉴定的一种黄烷酮类植物抗毒素.对以樱花素为代表的水稻抗毒素及其类似物的结构与活性、黄烷酮类植物抗毒素合成方法的研究概况进行了综述
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Abstract : recent studies reveal that wine is rich in phytoalexin and polyphenolic compounds , which can inhibit atherosclerosis by modulating metabolism of plasma lipid and lipoprotein , preventing platelet from aggregation and relaxing cardiovascular smooth muscle , etc . . a long - term moderately intake of wine can reduce the morbidity and mortality of ischemic heart diseases 文摘:近年来的一些研究表明，葡萄酒含有植物防御素、多酚类物质等多种成分，有调节血脂和脂蛋白代谢、抑制血小板凝聚、松驰血管等作用；可抑制动脉粥样硬化的形成，长期适量饮用可降低缺血性心脏病的发生率和死亡率。
