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Abstract ▼ AI-Helper

The oxidative stabilities of perilla oil increased as roasting temperature and time increased. Induction period of the perilla oil from unroasted perilla seed was 3.9 days, but that of the oil from perilla seed roasted at $210^{\circ}C$ for 30 min was 55 days. The electron donating abilit...

The oxidative stabilities of perilla oil increased as roasting temperature and time increased. Induction period of the perilla oil from unroasted perilla seed was 3.9 days, but that of the oil from perilla seed roasted at $210^{\circ}C$ for 30 min was 55 days. The electron donating ability(EDA) on DPPH by perilla oils increased as the roasting temperature and time increased. EDA of the unroasted perilla oil was 24% but that of the perilla oil roasted at $210^{\circ}C$ for 30 min was 64%. These results indicated that the reducing compounds were formed during the roasting process. The fluorescence intensity in perilla oil increased as the roasting temperature and time were increased. This result indicated that Maillard reaction has occurred during the roasting process and the reaction products seemed to provide stability to perilla oil.

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