Abstract
The volatile compounds in different edible parts (gonads, hepatopancreas) of raw and cooked Chinese mitten crab were extracted by a new type material (MonoTrap) and analyzed by gas chromatography-mass spectrometry (GC-MS). Totally 97 volatile compounds were identified by GC-MS and their odor characteristics were analyzed by ROAV values screen. There is a significant difference of odor-active compounds between male and female Chinese mitten crab. What’s more, the results indicated that the varieties and contents of volatile compounds in hepatopancreas were greater than in gonad. The results of ROAV values screen were summarized, 15 odor-active compounds whose ROAV values greater than 0.1and 9 key odor-active compounds whose ROAV values greater than 1 were further selected. The results indicated that decanal, trimethylamine, nonanal were the key odor-active compounds in hepatopancreas and gonads.
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