Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Antioxidant activities and quality characteristics of Yanggeng added with aged black chestnut inner shell

숙성 흑율피 첨가 양갱의 품질 특성 및 항산화성

  • Lee, Seok Ryong (Department of Food and Nutrition, Chungnam National University) ;
  • Lim, Jun Young (Department of Food and Nutrition, Chungnam National University) ;
  • Kim, Mee Ree (Department of Food and Nutrition, Chungnam National University)
  • 이석룡 (충남대학교 식품영양학과) ;
  • 임준영 (충남대학교 식품영양학과) ;
  • 김미리 (충남대학교 식품영양학과)
  • Received : 2017.02.08
  • Accepted : 2017.04.20
  • Published : 2017.04.30
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Abstract

This study was performed to evaluate the quality characteristics and the antioxidant activities of yanggeng added with the aged black chestnut inner shells (ACI). The levels of ACI addition to Yanggeng were 0%, 1%, 3%, or 5%. The moisture content and the reducing sugar contents of Yanggeng increased with the amount of ACI. The pH of Yanggeng with ACI decreased with the amount of ACI, but the acidity increased. Depending on the amount of ACI added, the lightness (L) and yellowness (b) values of Yanggeng with ACI decreased in the Hunter color system, and the redness (a) value increased. Textural properties by TPA showed that hardness, springiness and chewiness decreased as increase in the amount of ACI added. Total phenol content in the Yanggeng added with ACI increased with the amount of ACI added. Increasing amount of ACI addition enhanced antioxidant activities of Yanggeng, as evidenced by DPPH radical scavenging activity and hydroxyl radical scavenging activity assays. In the preference test, Yanggeng added with 3% ACI showed the highest overall preference and texture. Based on these results, when 3% ACI was added to Yanggeng the quality characteristics, antioxidant property and sensory properties were excellent.

본 연구에서는 숙성 흑율피 가루를 1, 3 또는 5% 첨가한 숙성 흑율피 양갱을 제조하여 품질 특성, 관능적 특성 및 항산화 특성을 분석하였다. 숙성 흑율피 양갱의 수분함량은 1% 첨가군은 대조군과 유사하였으나 숙성 흑율피 첨가량이 증가함에 따라 수분 함량은 증가하였다. 당도와 환원당은 숙성 흑율피 첨가량이 증가됨에 따라 낮아졌다. pH는 숙성 흑율피 첨가량이 증가함에 따라 감소하였고, 산도는 높아졌다. 명도(lightness)와 황색도(yellowness)는 숙성 흑율피 첨가량이 증가할수록 낮아졌으며, 적색도(redness)는 높아졌다. 기계적 조직감 측정결과, 경도(hardness)는 대조군이 높았고, 숙성 흑율피 첨가량이 증가함에 따라 경도는 증가하였다, 응집성(cohesiveness)은 숙성 흑율피 1% 첨가 양갱과 3% 첨가 양갱은 유의적인 차이를 나타내지 않았지만, 첨가량이 증가함에 따라 응집성은 감소하였다. 탄력성(springness)은 숙성 흑율피 첨가량이 증가할수록 낮아졌다. 총 페놀 함량은 숙성 흑율피 첨가량이 증가함에 따라 증가하였다. DPPH 라디칼 소거능과 hydroxyl 라디칼 소거능은 양갱에 숙성 흑율피 첨가량이 많을수록 $IC_{50}$ 값이 낮아져 항산화능이 높아졌다. 기호도 검사 결과, 숙성 흑율피 3% 첨가군의 전체적인 기호도 점수가 5.2점으로 가장 높은 점수를 받았다. 이상의 결과로부터 숙성 흑율피를 3% 첨가하여 양갱을 제조할 때 품질 특성, 항산화성 및 관능적 특성이 우수하였으므로, 이를 바탕으로 기능성 식품으로서 개발 가능성이 높을 것으로 사료된다.

Keywords

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