neutralized apple juice, cv. Jonathan, by LC separation on Amberlite XAD resin using ethyl acetate caution, 3-hydroxyoctyl β d -glucoside was identified by HRGC, HRGC-MS and HRGC-FTIR after per- O -methylation. Chiral evaluation of free and glucosidically boundoctane-1,3-diol was performed by HRGC after derivatization with Mosher's reagent revealing the occurrence of optically pure diol in applefruit. By