Ko te ahua whanaketanga o Withanolides, e mohiotia ana ko 20-Hydroxyecdysone (20-Hydroxyecdysone), he homoni phytosteroid e kitea whanuitia ana i roto i nga tipu maha o te taiao, penei i te withan (e kiia ana ko te húanbān, hūnabǎn ranei) me te saxifrage Ahia (e mohiotia ana ko Uma, Cynomorium songaricum) . Kua whakamahia nuitia te Withanolides...
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