The potential for risk is large. Natural estrogens are up to 100,000 times more potent than their environmental counterparts, such as the estrogen-like compounds in pesticides.
潜在的风险是巨大的。自然雌激素比起环境产生的雌激素要有效100，000倍以上，所谓传经产生的雌激素是指杀虫剂中类似雌激素的物质。
The endocrine disrupting functions of 4 natural and synthetical estrogens, 4 phytoestrogens, 14 phenols widely used in the tap water supply system were detected using yeast two-hybrid technique.
利用酵母双杂交系统对4种天然和合成的雌激素，4种植物性激素以及14种常用于自来水供水系统中的酚类物质进行了内分泌干扰作用的筛检测定。
Phytoestrogens are bioactive substances existing in natural plants. They have similar molecular structure to those of estrogens.
植物雌激素是一类天然存在于植物中，与雌激素结构近似的生物活性物质。
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