作者: Lars Olof Björn , Ting Wang
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摘要: An hypothesis is presented that provitamin D (dehydrocholesterol and/or ergosterol) can act as a UV-B receptor in plants and algae. We also propose the proportions between provitamins D, previtamins vitamins (D2 D3), after calibration, be used to evaluate exposure of phytoplankton terrestrial vegetation.