Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Effect of Various Natural Antioxidants on the Safflower Oil

홍화유에 대한 천연 항산화제의 항산화력 비교

  • Published : 2004.03.01
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Abstract

To elucidate the effect of various natural antioxidants on the safflower oil, rosemary extract, green tea extract, isoflavon, Phaffia rhodozyma extract, tocopherol, sesamol, and BRA as a control were added to the safflower oil and stored at 60$^{\circ}C$ for 4 weeks. During storage, its viscosity and antioxidative activity were determined. Viscosity of the oil increased with increasing storage period and was related with its antioxidative acvtivity. Antioxidative avtivity among antioxidants used in this study were in order of green tea extract>BHA>tocopherol>rosemary extract>isoflavon>sesamol>Phaffia rhodozyma extract. Green tea extract was the best in terms of antioxidative acvtivity. After 4 weeks, its peroxide value decreased up to 80.4％ of the control, and 42.1％ for acid value and 47.4％ for TBA value decreased.

홍화유 저장 중 천연 항산화제의 종류별 항산화 효과를 측정하기 위하여 로즈마리 추출물, 녹차 추출물, isoflavon, Phaffia rhodozyma extract, tocopherol, sesamol 및 삽성 항산화제인 BHA를 홍화유에 첨가하여 6$0^{\circ}C$에서 한달간 저장하며 실험하였다. 저장기간중 점도의 변화 및 항산화력은 녹차 추출물>BHA>tocopherol>로즈마리 추출물>isoflavon>sesamol>Phaffia rhodozyma extract의 순이었다. 녹차 추출물이 모든 천연항산화제 중 가장 우수한 결과를 나타냈는데 실험 28일 경과 후 유지 산패의 척도인 과산화물가는 대조구에 비해 80.4%, 산가는 42.1%가 감소하였고, TBA가는 47.4%산화를 억제하는 것으로 나타났다.

Keywords

References

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