Fig. 2

GC/MS chromatograms of chloroform pretreated onion epidermal peel using two different derivatization methods. a TMS derivatives of the monosaccharide methyl glycosides separated on an Equity-1 fused silica capillary column; b methyl alditol derivatives separated on an Equity-1 fused silica capillary column; c same sample as b but run on a SP2330 column to separate arabinose and xylose derivatives