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Abstract ▼ AI-Helper

Changes of volatile flavor compounds in sesame oil during industrial process (roasting temp. $225{\pm}2^{\circ}C$, roasting time 15 min) were investigated. Total volatile flavor compounds of 1 st expressed oil from roasted sesame seeds were 536.3 ppm, and those of 2nd expressed oil from s...

Changes of volatile flavor compounds in sesame oil during industrial process (roasting temp. $225{\pm}2^{\circ}C$, roasting time 15 min) were investigated. Total volatile flavor compounds of 1 st expressed oil from roasted sesame seeds were 536.3 ppm, and those of 2nd expressed oil from sesame seed cake, residue of 1st expression, were 266.8 ppm. Those of 1st filtered oil, fixed oil and 2nd filtered oil were 472.2 ppm, 472.4 ppm and 443.0 ppm, respectively. Volatile flavor compounds were gradually decreased during processing. Top notes $(peak{\;}No.1{\sim}26)$ playing an important role in the aromatic character of sesame oil, of 2nd expressed oil were markedly reduced (70.67% of initial content). Especially pyrazine compounds showed the largest reduction in 2nd expressed oil. Total volatile flavor compounds of fixed oil, filtered oil were reduced slightly.

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