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논문 기본 정보

자료유형
학술저널
저자정보
Shin, Dong-Min (Department of Food Science and Biotechnology of Animal Resources, Konkuk University) Kim, Do Hyun (Department of Food Science and Biotechnology of Animal Resources, Konkuk University) Yune, Jong Hyeok (Department of Food Science and Biotechnology of Animal Resources, Konkuk University) Kwon, Hyuk Cheol (Department of Food Science and Biotechnology of Animal Resources, Konkuk University) Kim, Hyo Juong (Taekyung Food and Processing R&D Center) Seo, Han Geuk (Department of Food Science and Biotechnology of Animal Resources, Konkuk University) Han, Sung Gu (Department of Food Science and Biotechnology of Animal Resources, Konkuk University)
저널정보
한국축산식품학회 Food science of animal resources Food science of animal resources 제39권 제3호
발행연도
2019.1
수록면
446 - 458 (13page)

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The aim of this study was to investigate the oxidative status and quality characteristics of four animal skin-derived fats extracted using an identical extraction method. Pressurized hot water extraction, a green extraction method, was used to extract animal skin fats (duck, chicken, swine, and bovine skin). Multiple experiments were performed during accelerated storage at $60^{\circ}C$ for 90 days. Quality characteristics, such as extraction yield, iodine value (IV), fatty acid composition, and fat viscosity were determined. In addition, indicators for oxidative status, including acid value (AV), peroxide value (PV), p-anisidine value (p-AV), thiobarbituric acid reactive substances (TBARS), conjugated dienes (CD), and total oxidation (totox) values were evaluated. The fat extraction yield was highest in bovine fat, followed by duck, swine, and chicken fats. The IV was higher in duck and chicken fats. Duck fats contained the most unsaturated fats and the least saturated fats. Fat oxidation indicators, such as PV, TBARS, and totox values, were relatively higher in duck fats during storage compared to the other fats. Other indicators, including AV, p-AV, and CD, were similar in duck, chicken, and swine fats. Viscosity was similar in all the tested fats but markedly increased after 70 days of storage in duck fats. Our data indicate that duck skin fat was more vulnerable to oxidative changes in accelerated storage conditions and this may be due to its higher unsaturated fatty acid content. Supplementation with antioxidants might be a reasonable way to solve the oxidation issue in duck skin fats.

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