Studies on the Metabolism of Icariin by Intestinal Bacteria Part Ⅰ: The Transformation of Icariin by Intestinal Flora HPLC-DAD-ESI/MS Fingerprint of Aristolochia manshuriensis Purification and characterization of surfactin produced by Bacillus subtilis strain BAB-1 Identification of compounds in herb of Polygonum orientale by UPLC-PDA-ESI/MS Extraction and Identification of Several Glucosinolates in Descurainia sophia Seeds