Fig. 5.

GC profiles of synthesis of flavor esters by An-lipase from A. niger F0215 in soybean-oil-solvent system. M: Standards (5 mg/mL butyl butyrate, ethyl caprylate, and ethyl lactate, respectively), B: synthesis of butyl butyrate by An-lipase [The peak time of butyric acid is about 30 min (not shown). Butanol flowed out of the reagent peak], L: synthesized ethyl lactate by An-lipase [The peak time of lactic acid is about 35 min (not shown)], C: synthesized ethyl caprylate by An-lipase [The peak time of caprylic acid is about 38 min (not shown)]