Effects of Cadmium on Phenolic Composition and Antioxidant Activities ofErica andevalensis

BelénMárquez-García; M. ángelesFernández-Recamales; FranciscoCórdoba

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Effects of Cadmium on Phenolic Composition and Antioxidant Activities ofErica andevalensis

机译：镉对Erica andevalensis酚类成分和抗氧化活性的影响

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We evaluated the effects of cadmium on phenolic composition ofErica andevalensis, an endemic protected heather that grows in mine affected soils. Plants cultivated under laboratory-controlled conditions were exposed to acute doses of cadmium to investigate the mechanisms this species possesses to survive in the presence of toxic metals in its natural habitat. Cadmium increased the total levels of phenolics and flavonoids compounds, and the total antioxidant capacity. Cinnamic acid derivatives, epicatechin, and rutin were increased in the presence of cadmium when applied in levels that did not alter the ratio of chlorophylls. Phenolic compounds play an important role in the metabolism ofE. andevalensisto survive in heavy metal polluted soils.

机译：我们评估了镉对在受地雷影响的土壤中生长的一种地方保护的石南花-Erica andevalensis的酚类成分的影响。在实验室控制条件下种植的植物暴露于急性剂量的镉中，以研究该物种拥有的在其自然栖息地中存在有毒金属的情况下生存的机制。镉增加了酚类和黄酮类化合物的总量，以及总抗氧化能力。以镉存在时，肉桂酸衍生物，表儿茶素和芦丁的含量不会改变叶绿素的比例，但会增加。酚类化合物在E的代谢中起重要作用。 andevalensis可以在重金属污染的土壤中生存。

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《Journal of Botany》 |2012年第1期|共6页
作者
BelénMárquez-García; M. ángelesFernández-Recamales; FranciscoCórdoba;
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Effects of Cadmium on Phenolic Composition and Antioxidant Activities ofErica andevalensis

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