Rhodiola rosea fermentation extracting solution with improved whitening and oxidation resistance as well as preparation method and application of rhodiola rosea fermentation extracting solution

The invention provides a method for preparing a rhodiola rosea fermentation extracting solution with improved whitening and oxidation resistance through a two-step fermentation method of firstly fermenting saccharomycetes and then fermenting lactobacillus. The invention also relates to the rhodiola rosea fermentation extracting solution prepared by the two-step fermentation method and a pharmaceutical preparation or a cosmetic composition containing the rhodiola rosea fermentation extracting solution. The invention further relates to application of the rhodiola rosea fermentation extracting solution in preparation of medicine or cosmetic compositions. 本发明提供了一种通过先酵母菌发酵，后乳杆菌发酵的两步发酵法制备具有提高的美白及抗氧化能力的红景天发酵提取液的方法。本发明还涉及通过所述两步发酵法制得的红景天发酵提取液和包含所述红景天发酵提取液的药物制剂或化妆品组合物。本发明进一步涉及所述红景天发酵提取液在制备药物或化妆品组合物中的用途。