Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Inhibition of Warmed-Over Flavor (WOF) and 7-Ketocholesterol in Refrigerated Precooked Pork Patties containing Commercial ${\gamma}$-Oryzanol and ${\alpha}$-Tocopherol

상업적 ${\gamma}$-Oryzanol 과 ${\alpha}$-Tocopherol 첨가에 따른 냉장 조리 돼지고기의 Warmed-over flcvor(WOF)와 7-Ketocholesterol 제어 효과

  • Published : 2008.03.31
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Abstract

The oxidative stability of refrigerated precooked pork patties containing commercial ${\gamma}$-oryzanoland ${\alpha}$-tocopherol was evaluated. Precooked pork patties containing either ${\gamma}$-oryzanolor ${\alpha}$-tocopherol showed higher oxidative stability (p<0.05) during storage at $4^{\circ}C$ than did the precooked pork patties without the additives (control). The thiobarbituric acid-reactive substances (TBARs) values and warmed-over flavor (WOF) of the precooked pork patties containing ${\gamma}$-oryzanolor ${\alpha}$-tocopherol were lower (p<0.05) than those of the control during refrigerated storage (0, 1, 4, and 8 days). The correlation between TBARs and WOF values was significant (p<0.05). 7-Ketocholesterol content was lower (p<0.05) than those of the control during refrigerated storage (0, 6, 12, 18, and 24 days). The correlation between TBARs values and 7-ketocholesterol content was also significant (p<0.05).

가열 조리된 냉장 돼지고기 패티에 사용된 상업용 유통 ${\gamma}$-oryzanol과 ${\alpha}$-tocopherol의 항산화 효과가 돼지고기 육질 내의 지질 산화로부터 기인되는 warmed-over flavor(WOF) 값과 콜레스테롤 산화로부터 기인되는 이차 산화물인 7-ketocholesterol의 생성 추이 변화로 비교 분석되었다. 지질산화로부터 측정된 파라미터는 이화학 데이터인 TBARs 값과 관능 데이터인 WOF 값에 의해 비교 분석되었으며, 콜레스테롤 산화로부터 유래된 측정 파라미터는 산화 유도기간에 따른 가열 조리된 돼지고기의 콜레스테롤 함량 변화 정도와 주요 콜레스테롤 산화물인 7-ketocholesterol 생성 정도에 의해 비교 분석 되었다. 콜레스테롤과 롤레스테롤 산화물은 cold saponification 추출 기법과 고속액체크로마토그래프 (HPLC) 테크닉을 이용하여 정량적으로 분석되었다. 아울러, 측정된 각 파라미터 변수들 간의 통계적 상관관계가 검토되었으며, 가열 조리된 돼지고기 패티의 산화로부터 기인되는 이차 산화물에 대한 ${\gamma}$-oryzanol과 ${\alpha}$-tocopherol의 항 산화력이 비교 분석되었다. 분석 결과 모든 파라미터 변수들은 서로 간에 유의적인 상관관계를 나타내었으며, 특히, ${\gamma}$-oryzanol처리 군에서 유의적인 지질 및 콜레스테롤 항 산화 효과를 보였다.

Keywords

References

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