한국식품저장유통학회지 (Food Science and Preservation)

  • 제14권5호
  • /
  • Pages.469-473
  • /
  • 2007
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  • 3022-5477(pISSN)
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  • 3022-5485(eISSN)
한국식품저장유통학회 (The Korean Society of Food Preservation)
권호 표지

반응표면분석법에 의한 비동결 파운드 케이크의 최적 배합비 설정

Use of Response Surface Methods to Optimize the Formula of Non-frozen Pound Cake

  • 강병선 (영동대학교 와인발효식품학과) ;
  • 이영춘 (중앙대학교 식품공학과)
  • Kang, Byung-Sun (Department of Food Fermentation Technology, Young-Dong University) ;
  • Lee, Young-Chun (Department of Food Science and Technology, Chung-Ang University)
  • 발행 : 2007.10.28
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초록

비동결 파운드 케이크의 배합비를 반응표면분석법에 의해 여러 가지 동결방지제의 함량을 조절하여 결정하였다. 수분함량만이 동결방지제 함량과 선형관계를 나타내었으나, 다른 반응변수들은 quadratic모형으로 나타났다. 비동결 파운드 케이크에 제조시 함유되는 당류의 최적 배합비는 7736 : 0.0 : 20.4, 60.0 : 32.8 : 16.4, 70.8 : 11.2 : 19.6와 같이 3가지로 제시되었다. 최적배합비로 제조한 파운드 케이크의 냉동 시간은 기준 배합비로 만든 케이크보다 $45{\sim}27%$가 단축되었으며, 동결점은 $-20^{\circ}C$이하에서 나타났다. 동결방지제의 적절한 배합율을 적용하면 빙점강하에 의해 가공식품 냉동에 필요한 냉동 에너지 감소 효과를 얻으며 기존제품과 유사한 품질 특성을 구할 수 있음을 알았다.

The optimal formula for non-frozen pound cake was sought using a central composite design with a quadratic model, by response surface methodology (RSM). Behavior on supercooling, freezing time, theological properties, and sensory attributes of pound cake were studied by using various concentrations of sugar, sorbitol, and glycerol. The freezing temperature of standard pound cake was $-16.16^{\circ}C$. The hardness, freezing point temperature, and sensory properties were shown as a quadratic relationship whereas moisture content was analyzed by a linear model. Optimized formula for non-frozen cake were suggested to include (sugar:sorbitol:glycerol) 77.6:0.0:20.4, 60.0:32.8:16.4, and 70.8:11.2:19.6 (all % of total sugar) by RSM. The freezing tines of optimized non-frozen pound cake were reduced by $27{\sim}45%$. The freezing Points of optimized pound cake were depressed below $-20^{\circ}C$. Sorbitol and glycerol may be used as cryoprotectants and preserve the desired sensory attributes of pound cake at low temperatures.

키워드

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