초록

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Abstract ▼ AI-Helper

In this study, the emission characteristics of reduced sulfur compounds (RSC) were investigated under decaying conditions using 3 food types with strong odor properties: (1) Kimchi (KC), (2) Fresh fish (FF), and (3) Salted fish (SF). The concentrations of RSC from food decaying samples were measured...

In this study, the emission characteristics of reduced sulfur compounds (RSC) were investigated under decaying conditions using 3 food types with strong odor properties: (1) Kimchi (KC), (2) Fresh fish (FF), and (3) Salted fish (SF). The concentrations of RSC from food decaying samples were measured 5 times during the full study period over 15 days. All the analysis of RSC were made by gas chromatography/pulsed flame photometric detector (GC/PFPD) combined with air server/thermal desorber (AS/TD). According to our analysis, CH₃SH recorded the highest mean concentration (53.8 ppb) out of all RSCs investigated concurrently. Comparison between 3 food types showed that KC had the highest odor strength in primary stage, although it showed a notable decrease through time. On the other hand, FF and SF maintained generally low RSC concentrations in the beginning stage, but they showed large increases in emission concentrations with time. Thus, the results indicate that the relative pattern of RSC emissions tends to vary greatly with food types rather than RSC type.

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