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Effect of Sterilization Conditions on Physicochemical and Sensory Properties of Three Korean Fried Rice Sauces

한식볶음밥 소스 3종의 살균조건에 따른 일반 품질분석 및 관능평가

  • Received : 2015.08.20
  • Accepted : 2015.10.07
  • Published : 2015.10.30

Abstract

Three types of Korean style fried rice sauce, 'Kimchi-tomato sauce', 'Doenjang butter sauce', and 'Seafood sauce' were developed in this study. Physicochemical properties such as pH, soluble solid content, acidity, salinity, and texture of sauces were analyzed after application of three different sterilization conditions ($110^{\circ}C/50min$, $115^{\circ}C/30min$, and $121^{\circ}C/20min$). However, no trend was observed in physicochemical properties of each sauce by sterilization conditions. The lightness (L-value) of doenjang butter sauce was higher than the other two sauces. Redness (a-value) and yellowness (b-value) of doenjang butter sauce and seafood sauce were greater than those of kimchi-tomato sauce due to different ingredients. Total viable cells were not detected under all sterilization conditions of the three types of sauce. The sensory evaluation results showed that $121^{\circ}C/20min$ of sterilization scored better than $110^{\circ}C/50min$ or $115^{\circ}C/30min$ sterilization in terms of overall preference of kimchi-tomato sauce and doenjang butter sauce. Overall, the preference of the three types of sauce showed that seafood sauce was best, followed by doenjang butter sauce and kimchi-tomato sauce.

본 연구에서는 볶음밥 용 해물소스, 된장버터소스, 김치토마토소스 등 3종을 살균처리 방법에 따라 이화학적 품질 분석과 일반 세균 수와 B. cereus의 검출 여부를 확인하여 미생물 안전성검사를 실시하고, 개발품의 관능평가를 실시하여 살균조건에 따른 변화를 검토하였다. 살균처리 조건의 온도가 높아질수록 제품의 pH는 높아지는 경향을 보였으며, 당도나 염도, 산도 에서는 크게 차이가 없는 것을 볼 수 있었다. 색상은 온도에 따라 크게 변화는 없었지만, L 값에서 된장버터가 온도가 높을수록 값이 높게 나왔고, a와 b값은 된장버터소스와 해물소스가 높게 측정되었다. 미생물검사에서는 모든 살균조건에서 검출되지 않았으며, 관능평가에서는 $110^{\circ}C$에서 50분간 살균한 제품보다는 $121^{\circ}C$에서 20분간 살균한 제품이 우수하게 평가되었으며, 전체적인 세 가지 제품의 선호도를 순위법으로 평가한 결과, 해물소스 > 된장버터 소스 > 김치토마토소스 순으로 평가되었다.

Keywords

References

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