植物多酚抗逆生态作用研究进展

Progress on the Stress-resistant Ecological Function of Plant Polyphenols

植物多酚是一类重要的植物次生代谢物质,具有吸收过多的太阳辐射、过滤UV(ultra-violet)和清除体内自由基等多种生理功能,有利于传播花粉、受精及传播种子,并在植物逆境生理生态上也具有重要的作用.该文对近年来国内外有关植物多酚在逆境生态中抗生物或非生物胁迫中的作用——主要包括作为缓解营养缺乏、抵抗干旱、温度变化、盐害、大气污染、食草动物和病原菌浸染等逆境胁迫时的防御物质,以及作为植物与植物之间以及植物与环境之间信息交流物质等方面的研究进展进行综述,并展望了植物多酚的应用前景.

Plant polyphenols are the important secondary metabolites of plants,not only responsible for absorbing excessive solar irradiation,screening solar ultra-violet radiation,scavenging free radicals,but also contributing to attracting pollinators,fertilization and seed dispersal.This paper reviewed the advanced research about the stress ecological function of plant polyphenols,mainly including that they play important agents as defense against the biotic or abiotic stressors,such as nutrient deficiency,drought,temperature variations,salt injury,atmosphere pollution,herbivores and pathogen infection stress,as well as information substance between plants and plants or plant with the living environment.Meanwhile,the application prospect of plant polyphenols was discussed.