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어성초 분말의 혼합 급이가 돈육의 cholesterol 및 산화물에 미치는 영향

The Effect of Feeding Houttuynia cordata Thunb on Cholesterol and Cholesterol oxides of Pork Lion's

  • 강민정 (창신대학 호텔조리제빵과) ;
  • 주종찬 (창신대학 호텔조리제빵과) ;
  • 신정혜 (남해전문대학 호텔조리제빵과) ;
  • 최선영 (경상대학교 식품영양학과.농업생명과학연구원) ;
  • 양승미 (경상대학교 식품영양학과.농업생명과학연구원) ;
  • 성낙주 (경상대학교 식품영양학과.농업생명과학연구원)
  • Kang, Min-Jung (Dept. Hotel Curinary & Bakery, Changshin College) ;
  • Joo, Jong-Chan (Dept. Hotel Curinary & Bakery, Changshin College) ;
  • Shin, Jung-Hye (Dept. of Hotel Curinary Arts & Bakery, Namhae College) ;
  • Choi, Sun-Young (Dept. of Foods and Nutrition, Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Yang, Seung-Mi (Dept. of Foods and Nutrition, Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Sung, Nak-Ju (Dept. of Foods and Nutrition, Institute of Agriculture and Life Sciences, Gyeongsang National University)
  • 발행 : 2006.10.01

초록

어성초 분말을 돼지 사료에 5%, 10%씩 첨가하여 12주간 사육시킨 후 등심부위를 냉장보관하면서 지질성분의 변화를 분석하였다. 돈육 등심의 저장 중 TBARS는 어성초 분말 급 이군에서 유의적으로 낮게 검출되었고, 지방산의 함량은 저장 2일에 대조군의 불포화지방산이 52.5%였으나 5% 및 10% 어성초 분말 첨가 급이군에서는 각각 53.7% 및 54.1%로 대조군에 비해 높은 비율로 정량되었다. 콜레스테롤 함량은 저장 2일에 5% 어성초 급이군에서는 $39.1{\pm}0.2\;mg/100\;g$, 10% 어성초 급이군에서는 $37.8{\pm}0.3\;mg/100\;g$으로 대조군$(48.9{\pm}0.2\;mg/100\;g)$에 비해 어성초 급이군에서 더 낮게 검출되었다. 돈육 등심 중 콜레스테롤 산화물의 농도는 저장기간이 길어질수록 증가하는 현상을 보여 $7{\beta}-hydroxycholesterol$의 경우 2일간 저장한 대조군에서는 $0.6{\pm}0.65\;{\mu}g/g$였으나 저장 23일 후에는 $2.3{\pm}0.3\;{\mu}g/g$으로 6.5배 증가하였고 10% 어성초 급이군에서는 저장 2일에 $0.3{\pm}0.01\;{\mu}g/g$, 23일에서는 $0.9{\pm}0.15\;{\mu}g/g$로 대조군에 비해 증가량이 유의적으로 낮았다. 19-hydroxycholesterol과 ${\alpha},{\beta}-epoxide$도 어성초급이군에서 대조군보다 더 낮은 함량이었다.

The study was designed to investigate the influence of feeding Eosungcho(houttutnia cordata Thunb) on the meat quality of porks. Experimental groups were divided into control group(C), 5%(T1) and 10%(T2) Eosungcho powder feeding group, and than administered for 12 weeks. And then pork's loins were storaged at $4^{\circ}C$, for 23 days after vaccum packed. TBARS was increased(P<0.05) during storage days in all samples, while it's contents were lower Eosungcho feding groups than control group. Total cholesterol contents of pork's loin, were $48.9{\pm}0.2\;mg/100\;g$ in control group, $39.1{\pm}0.2\;mg/100\;g$ in T1 group and $37.8{\pm}0.3\;mg/100\;g$ in T2 group. 4 kinds of cholesterol oxides($7{\beta}-hydroxycholesterol$, 19-hydroxycholesterol, ${\alpha}-$ and ${\beta}-epoxide$) detected in pork's loin. Cholesterol oxides concentration of pork's loin was increased during storage and lowest in T2 group.

키워드

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