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Changes in the Quality Characteristics of Sulgidduk by the Addition of Persimmon Peel

감 과피를 첨가한 설기떡의 품질특성 변화

  • Shin, Dong-Sun (Department of Agrofood Resources, National Academy of Agricultural Science, Rural Development Adminstration) ;
  • Kim, Kyung-Mi (Department of Agrofood Resources, National Academy of Agricultural Science, Rural Development Adminstration) ;
  • Han, Seo-Young (Department of Agrofood Resources, National Academy of Agricultural Science, Rural Development Adminstration) ;
  • Han, Gwi-Jung (Department of Agrofood Resources, National Academy of Agricultural Science, Rural Development Adminstration)
  • 신동선 (국립농업과학원 농식품자원부) ;
  • 김경미 (국립농업과학원 농식품자원부) ;
  • 한서영 (국립농업과학원 농식품자원부) ;
  • 한귀정 (국립농업과학원 농식품자원부)
  • Received : 2013.03.11
  • Accepted : 2013.08.21
  • Published : 2013.10.31

Abstract

This study is to examine nutrients in the persimmon peel develop processed products and analyze their quality properties. The persimmon peel powder was rich in nutrients with 4.35% of moisture, 3.01% of protein, 1.02% of lipid, 2.02% of ash and $5.7^{\circ}Brix$ of Sugar concentration as well as 82.5 mg% of total carotenoid. As far as quality properties of Sulgidduk were concerned when the 5% addition persimmon peel resulted in the highest level of watery content and the more colors were added the lower the L value became and the higher a and b values. As the result of measurements using a texture analyzer, hardness, adhesiveness, cohesiveness, springiness and chewiness property decreased flexibility increased. The sensory test results revealed that the 3% added persimmon peel Sulgidduk was the best.

본 연구는 농가단위 생산 식품의 품질향상 및 제품화 기술 개발로 감 과피의 영양기능성 성분을 조사하고 감 과피 이용 조리가공제품을 개발하여 감 과피의 이용성을 확대시키고자 하였다. 감 과피의 일반성분을 조사한 결과 수분이 4.35%, 단백질이 3.01%, 지방이 1.02%, 회분이 2.02%, 당도는 $5.7^{\circ}Brix$로 영양성분이 우수하였으며 감에 많이 함유되어있는 천연 지용성 색소인 총 카로티노이드가 82.5 mg%로 나타났다. 저장기간에 따른 감 과피 설기의 품질특성 조사 결과 수분 함량의 변화에서 감 과피 첨가량이 증가할수록 설기의 수분함량은 다소 증가하였으며 시간이 경과함에 따라 저장 28시간까지 모든 시료에서 감소하는 경향을 보였다. 기계적 특성의 변화에서 색도의 경우 L값은 대조군에서 가장 높게 나타났고 감 과피 첨가량이 증가할수록 낮게 나타났다. 또한 a값 및 b값은 첨가량이 증가할수록 높은 경향을 나타내었다. 텍스처의 변화는 감 과피 첨가량이 증가함에 따라 경도, 부착성, 탄력성, 응집성, 점착성, 씹힘성 모두 감소하였으며 시간이 경과함에 따라 경도, 부착성, 점착성, 씹힘성은 증가하는 반면 탄력성과 응집성은 감소하는 경향을 나타내었다. 관능검사는 3% 첨가군이 가장 높게 평가되었으나 1, 3, 5% 간의 유의적인 차이는 없었다.

Keywords

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