초록

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Abstract ▼ AI-Helper

In this study, volatile flavor compounds in sesame oils were analyzed by using pure-and-trap method and a gas chromatography. 2-ethoxy-3-ethylpyrazine was used as an internal standard and retention index (Kovat's number) for the volatiles were determined through the use of a n-paraffin $(C_5-C_...

In this study, volatile flavor compounds in sesame oils were analyzed by using pure-and-trap method and a gas chromatography. 2-ethoxy-3-ethylpyrazine was used as an internal standard and retention index (Kovat's number) for the volatiles were determined through the use of a n-paraffin $(C_5-C_{25})$ standards. A total of 33 volatile compounds including 14 pyrazines, 7 thiazoles, 4 pyridines, 2 oxazoles and 6 others were identified in the sesame oils. By comparing the total yields of volatile flavor compounds, the pyrazines are the most abundant compounds all of the oil samples and considered as good contributor to characteristic flavor of sesame oil. The oil from the seeds roasted in the electric pan at $200^{\circ}C$ and $230^{\circ}C$ for 10 minutes generated 277.06 ppm, 264.81 ppm in pyrazine and 15.16 ppm, 13.19 ppm in thiazole, respectively. The sensory evaluation of oil samples was also investigated. The sesame oil obtained from the sesame seeds roasted at $200^{\circ}C$ for 10 minutes with electric pan showed good flavor scores and quality among the all of samples.

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