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논문 기본 정보

자료유형
학술저널
저자정보
Youngjin Yoon (인하대학교) Eunok Choe (인하대학교)
저널정보
한국식품과학회 Food Science and Biotechnology Food Science and Biotechnology vol 18. no 2
발행연도
2009.4
수록면
356 - 361 (6page)

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Lipid oxidation and contents of tocopherols and phospholipids (PL) in soy-added fried products during storage in the dark were studied. Flour dough containing soy flour at 0, 10, 20, and 30% on a weight basis was fried in corn oil at 180℃ for 2.5 min. The fried products were stored at 60℃ for 11 days in the dark. Lipid oxidation of the fried products was evaluated by conjugated dienoic acid (CDA) and p-anisidine values (PAV). Tocopherols and PL were determined by high performance liquid chromatography (HPLC). CDA contents and PAV of the fried products were increased during storage, and addition of soy flour improved lipid oxidative stability of the fried products, which was partly related to increased amount of tocopherols and PL in the soy-added fried products. Tocopherols and PL were degraded during the dark storage of the fried products. Soy flour addition to the dough did not affect the rate of tocopherols degradation during storage of the fried products; however, PL degradation was higher in the soy-added fried products. Residual amounts of α-tocopherol and phosphatidylinositol showed high correlations with the lipid oxidation of the fried products during storage in the dark.

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Abstract
Introduction
Materials and Methods
Results and Discussion
References

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