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자료유형
학술저널
저자정보
Lee, Soyoung (Department of Food Science and Biotechnology and Institute of Lotus Functional Foods Ingredients, Dongguk University-Seoul) Lee, Yoo-Jung (Department of Life Science, Dongguk University-Seoul) Sung, Jung-Suk (Department of Life Science, Dongguk University-Seoul) Shin, Han-Seung (Department of Food Science and Biotechnology and Institute of Lotus Functional Foods Ingredients, Dongguk University-Seoul)
저널정보
한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제58권 제3호
발행연도
2015.1
수록면
325 - 334 (10page)

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Chemical properties of perilla oils under a variety of roasting conditions were evaluated. Roasting was performed in a hot-air roaster, with inlet air temperatures of $150-240^{\circ}C$. The major fatty acid contents in perilla oil were ${\alpha}$-linolenic, oleic, and linoleic acid. Trans-fatty acid content was 0.10-0.31 % from perilla oil under different roasting conditions. Maillard reaction products increased significantly from perilla oils exposed to higher temperatures for longer times. In particular, 2-methylpyrazine and 2,5-dimethylpyrazine were highest in the P210/30 (roasting temp. $210^{\circ}C$, roasting time 30 min) and P210/30 treatments, respectively. Total benzo[a]pyrene of $0.21{\mu}g/kg$ was detected in perilla oil under different roasting conditions. Evaluation of radical scavenging activity revealed that antioxidant function of perilla oil was promoted by increasing the roasting temperature of perilla seeds. As roasting temperature and time increased, the oxidative stability of perilla oils increased. The average iodine value of perilla oil under different roasting conditions was 154.23. Oxidation stability increased in the P240/20 group.

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