Culinary science and hospitality research (한국조리학회지)

Culinary Society of Korean Academy (한국조리학회)
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Effects of Apple Pomace on Cookie Quality

사과박 첨가가 쿠키 품질 특성에 미치는 영향

  • Oh, Chul-Hwan (Dept. of General Education, Korea National College of Agriculture and Fisheries) ;
  • Kang, Chang-Soo (Dept. of General Education, Korea National College of Agriculture and Fisheries)
  • 오철환 (국립한국농수산대학 교양공통과) ;
  • 강창수 (국립한국농수산대학 교양공통과)
  • Received : 2016.11.10
  • Accepted : 2016.12.20
  • Published : 2016.12.31
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Abstract

The objective of this study was to exploit the use of this nutrient-rich byproduct in cookies by replacing wheat flour at 10~30% levels. The specific gravity and pH of cookies decreased slightly with increasing apple pomace concentration, but the specific gravity of cookies showed no significant difference in the additive group. The sugar contents of cookies was significantly increased to $2.07^{\circ}Brix$ at 30%. Moisture content, spread factor, loss rate, and leaving rate of cookies increased with increasing apple pomace concentration. Lightness, redness, and yellowness of cookies decreased from 70.46 to 56.25, and 5.60 to 3.01, and 37.52 to 27.92, respectively, with increasing apple pomace concentration. In the sensory evaluation, sensory scores for color, flavor, texture, appearance, and overall preference were highest in the 10% and 20% apple pomace cookies in the additive group. Thus, our results suggested that the optimum amount of apple pomace that can be added to cookies was 20%.

사과가공 공정 중 많은 양의 사과박이 발생하며, 일부는 사료로 사용되나 대부분 버려지고 있다. 따라서 본 연구에서는 영양학적 가치가 높은 부산물을 10~30% 수준에서 밀가루를 대체하여 쿠키제조에 활용하고자 하였다. 반죽의 비중과 pH는 사과박의 첨가량이 증가함에 따라 다소 감소하는 경향을 보였다. 그러나 비중은 사과박을 첨가한 그룹 간에 유의적인 차이가 있지는 않았다. 당도는 30% 첨가 시 $2.07^{\circ}Brix$로 증가하였다. 쿠키의 수분함량, 퍼짐성, 손실률 및 팽창률은 사과박 첨가량이 증가함에 따라 증가하였다. 쿠키색의 밝기, 적색도 및 황색도는 사과박의 첨가량이 증가함에 따라 각각 70.46, 5.60, 37.52에서 56.25, 3.01, 27.92까지 감소하였다. 관능평가 결과, 사과박을 10%, 20% 첨가한 쿠키의 색, 향, 조직감, 외형, 전체적 기호도의 점수가 높았다. 따라서 쿠키제조 시 사과박의 첨가량은 20% 이내에서 사용하는 것이 좋을 것으로 판단된다.

Keywords

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