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The Quality Characteristics of Jelly Added with Bokbunja (Rubus coreanus Miquel)

복분자를 첨가한 젤리의 품질특성

  • Yu, Ok-Kyeong (Dept. of Food Science and Human Nutrition & Obesity Research Center, Chonbuk National University) ;
  • Kim, Ji-Eun (Dept. of Food Science and Human Nutrition & Obesity Research Center, Chonbuk National University) ;
  • Cha, Youn-Soo (Dept. of Food Science and Human Nutrition & Obesity Research Center, Chonbuk National University)
  • 유옥경 (전북대학교 식품영양학과 및 비만연구센터) ;
  • 김지은 (전북대학교 식품영양학과 및 비만연구센터) ;
  • 차연수 (전북대학교 식품영양학과 및 비만연구센터)
  • Published : 2008.06.30

Abstract

The purpose of this study was to investigate the effects of adding various amounts of ingredients on the physicochemical and sensory characteristics of Bokbunja-jelly. The proximate composition of Bokbunja-jelly was 19.0% for the moisture and 0.8% for the crude protein. The Hunter L-values of Bokbunja-jelly prepared by adding 10 g RME or 120 g sucrose were higher than that of Bokbunja-jelly prepared by adding 20 g RME or 100 g sucrose. The Hunter b-values of Bokbunja-jelly prepared by adding 20 g RME or 120 g sucrose was higher than that of Bokbunja-jelly prepared by adding 10 g RME or 120 g sucrose. The hardness and chewiness were increased with decreasing Rubus coreanus Miquel extracts. According to the results of the sensory evaluation, no significant differences in flavor, sweetness, hardness, elasticity and overall qualities were found. According to the results of physicochemical properties and sensory evaluation, the optimal recipe for preparation of Bokbunja-jelly was determined to be 240 g water, 120 g sugar, 110 g glucose syrup, 4 g agar, 20 g Rubus coreanus Miquel extracts and 0.3 g Rubus coreanus Miquel flavor.

복분자 젤리의 최적 레시피를 개발하고자 복분자 추출액, 복분자 향, 설탕, 물엿의 함량을 달리한 시료를 제조하여 일반성분, texture, 색도, 관능평가 등과 같은 품질특성에 대하여 살펴보았다. 일반성분은 수분이 19.0%, 조단백질이 0.8% 이었으며, 조지방 및 조회분은 검출되지 않았다. 복분자 젤리의 texture는 복분자 추출액 양이 적은 제품이 복분자 추출액 양이 많은 제품보다 경도, 검성, 탄력성, 응집성 및 씹힘성이 유의적으로 높게 나타났다. L값은 복분자 추출액의 양이 적은 제품과 설탕 함량이 많은 제품이 복분자 추출액의 첨가량이 많은 제품과 설탕 첨가량이 적은 제품에 비하여 높게 나타났고, b값은 복분자 추출액 또는 설탕의 첨가량이 많은 제품이 적은 제품보다 높게 나타났다. 관능평가 항목 중 향미, 색도, 당도, 경도(씹는 느낌), 끈적임, 전체적인 기호도를 모두 충족시키는 최적의 레시피는 물 240 g, 설탕 120g, 물엿 110 g, 한천 4 g, 복분자 추출액 20 g, 복분자 향 0.3 g으로 제조하는 B 제품으로 사료된다.

Keywords

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