Molting in insects is triggered by rising levels of a hormone called ecdysone.
昆虫的脱皮是由于称为脱皮素激素的含量升高而引起的.
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Insect hormones include ecdysone, thoracotropic hormone, and juvenile hormone.
昆虫的激素有蜕皮素 、 胸激素与青春激素.
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Its major chemical constituents, including steroid saponin, ecdysone, flavones and so on, have been reported.
其主要的化学成分为甾体皂苷类 、 植物蜕皮激素类 、 黄酮类 、 甾醇类.
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