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Effect of acidic electrolyzed water on the quality improvement of boiled-dried anchovy

자건 멸치의 품질 개선에 대한 산성 전해수의 영향

  • Lee, Soo-Jung (Department of Food Science and Nutrition, Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Sung, Nak-Ju (Department of Food Science and Nutrition, Institute of Agriculture and Life Sciences, Gyeongsang National University) ;
  • Kang, Shin-Kwon (Department of Food Medicinal, International University of Korea)
  • 이수정 (경상대학교 식품영양학과.농업생명과학연구원) ;
  • 성낙주 (경상대학교 식품영양학과.농업생명과학연구원) ;
  • 강신권 (한국국제대학교 식품의약학과)
  • Received : 2014.01.14
  • Accepted : 2014.03.14
  • Published : 2014.06.30

Abstract

The quality improvement of the boiled-dried anchovy treated with acidic electrolyzed water (AEW) was investigated. The L value was higher in the anchovy treated with AEW than in the control. Moreover, its ${\Delta}E$ value was 5.08 higher than that of the control. The lipophilic browning degree was also higher than the hydrophilic degree. The degrees of calcium absorption of the control and anchovy treated with AEW were 10.77% and 12.61%, respectively. During their storage in the different conditions (five weeks in $20^{\circ}C$, ten weeks in $4^{\circ}C$, and five months in $-20^{\circ}C$), the lipophilic browning degree of the anchovy treated with AEW was significantly lower than that of the control at the $20^{\circ}C$ storage. The volatile basic nitrogen (VBN) content gradually increased as the storage period increased. During the $20^{\circ}C$ storage, the content of the anchovy treated with AEW was lower than that of the control. The lipid peroxide contents increased with the storage periods, regardless of the temperature, but the content of the anchovy treated with AEW was lower than that of the control. These results indicate that AEW treatment can improve the color quality of boiled-dried anchovy and reduce its VBN and lipid peroxide contents.

자건 멸치의 제조 시 산성 전해수로 자숙함으로써 멸치의 품질 개선에 대한 영향을 알아보고자 하였다. 멸치의 표면색은 전해수 처리 멸치에서 명도가 유의적으로 높았으며, 전체적인 색차(${\Delta}E$)에서 전해수 처리 멸치는 대조구에 비해 5.08의 차이를 보였다. 추출물의 갈색도는 지용성 추출물이 수용성 추출물에 비해 훨씬 높았다. In vitro에서 칼슘 흡수율은 대조구에서 10.77%였으며, 전해수 처리 멸치는 12.61%였다. 저장 온도($20^{\circ}C$, $4^{\circ}C$$-20^{\circ}C$) 및 기간(5주, 10주 및 5개월)을 달리하여 멸치를 저장하는 동안, 멸치 추출물의 지용성 갈색도는 $20^{\circ}C$$4^{\circ}C$ 저장 시 저장기간이 경과함에 따라 증가되는 경향이었으며, $20^{\circ}C$ 저장 시에 전해수 처리 멸치에서 유의적으로 낮았다. 휘발성 염기질소(VBN) 함량은 저장기간이 경과함에 따라 증가되는 경향이었으며, $20^{\circ}C$ 저장 시에 전해수 처리 멸치는 대조구에 비해 VBN의 함량이 작았다. 지질과산화물 함량은 저장 온도에 관계없이 기간의 경과에 따라 증가되었는데, 전반적으로 전해수 처리 멸치에서 함량 증가가 작았다. 따라서 멸치의 가공과정에서 산성 전해수 처리는 멸치의 색택 개선, VBN 및 지질과산화물의 함량 변화를 감소시켜 품질개선이 가능할 것으로 기대된다.

Keywords

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