Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Effects of Electrolytic Water Washing on Mackerel (Scomber japonicus) muscle Protein Pattern

고등어육 단백질 패턴에 영향을 미치는 전해수 수세효과

  • Lee, Nahm-Gull (Dept. of Food Science & Technology, Tongmyong University)
  • 이남걸 (동명대학교 식품공학과)
  • Received : 2011.11.07
  • Accepted : 2012.01.05
  • Published : 2012.01.31
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Abstract

This study was conducted to determine the effects of electrolytic water washing(EWW) and tap water washing(TWW) on proximate composition, color difference and SDS-PAGE changes of Mackerel(Scomber japonicus) muscle. Moisture contents of washed mackerel sediments EWW were much higher than TWW(p<0.05). Crude proteins of washed mackerel sediments EWW were 1% lower than TWW. Crude lipides had same results with crude proteins. Hunter value L, a, b were tested to each samples. $L^*$ values of TWW were higher than EWW. Both of $aL^*$ values were lower with washing times in order of 3rd>2nd>1st(p<0.05) but 2nd and 3rd of EWW were not significantly different(p>0.05). $b^*$ values were not different between the TWW and EWW(p<0.05). SDS-PAGE patterns of EWW muscle sediments were more darkeness 205KD band than TWW muscle sediments. In these results said that EWW is better than TWW for red meat kamaboko industry, respectively.

본 연구는 고등어육을 수도수 수세한 것(Tap water washing, TWW)과 전해수 수세한 것(Electrolytic water washing, EWW)의 일반성분과 색차 그리고 SDS-전기영동을 통하여 수세효과를 확인하였다. EWW 고등어육 잔사의 수분함량은 TWW경우보다 높게 나타났다(p<0.05). 단백질함량은 TWW경우보다 EWW 경우가 1%정도 더 감소하였다. 조지방의 경우도 단백질결과와 같았다. 전해수에 수세한 것에 비해 수도수에 수세한 처리구가 명도값이 높았다. 적색도는 낮아지는 경향이었으나 수도수와 전해수모두 2회 이상의 수세에서는 감소하는 경향은 유의하지 않았다(p<0.05). 황색도는 처리구 모두 수세횟수에 관계없이 유의하지 않은 결과 였다. 전기영동에 의한 단백질 패턴변화를 확인한 결과 EWW 잔사물이 TWW 잔사물 보다 더 진한 즉, 염용성 단백질 band(205KD) 부분이 증가하였다. 이러한 결과는 적색육 어묵산업에서 EWW가 TWW보다 나을 것으로 생각된다.

Keywords

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