Quality Characteristics and Antioxidative Activity of Mung Bean Starch Gels Added with Carrot, Spinach and Mulberry Juice

당근, 시금치, 오디즙 첨가 녹두전분 겔의 항산화 및 품질 특성

  • Cha, Ye-Ji (Dept. of Food Science and Technology, Catholic University of Daegu) ;
  • Jung, Yeon-Sook (Dept. of Food Science and Technology, Catholic University of Daegu) ;
  • Kim, Jae-Won (Dept. of Food Science and Technology, Catholic University of Daegu) ;
  • Youn, Kwang-Sup (Dept. of Food Science and Technology, Catholic University of Daegu)
  • 차예지 (대구가톨릭대학교 외식식품산업학부 식품가공학) ;
  • 정연숙 (대구가톨릭대학교 외식식품산업학부 식품가공학) ;
  • 김재원 (대구가톨릭대학교 외식식품산업학부 식품가공학) ;
  • 윤광섭 (대구가톨릭대학교 외식식품산업학부 식품가공학)
  • Received : 2010.10.04
  • Accepted : 2011.02.14
  • Published : 2011.02.28

Abstract

This study was conducted to evaluate the quality characteristics of mung bean starch gel (MBSJ) containing carrot (CMBSJ), spinach (SMBSJ), and mulberry (MMBSJ) juice. The moisture contents of MBSJ, CMBSJ, SMBSJ and MMBSJ were not different significantly. The color of MBSJ was in good accordance with the $L^*$, $a^*$, $b^*$ values and hue angle of the material juices. The hardness levels of CMBSJ, SMBSJ, and MMBSJ were lower than that of MBSJ, but the springiness, cohesiveness, and chewiness of CMBSJ and SMBSJ were higer than those of MBSJ. Antioxidative activities of CMBSJ, SMBSJ, and MMBSJ were greatly increased compared to those of MBSJ. The syneresis and hardness of colored the MBSJ decreased during storage at $4^{\circ}C$. In the sensory evaluation, colored MBSJ scored the highest in taste, shine, elasticity, and overall acceptability. Based on the above results, we expect that mung bean starch gels with carrot, spinach and mulberry juice have good quality characteristics and antioxidant activity.

항산화성의 생리활성을 함유함과 동시에 기호성을 증대한 녹두전분 겔 제품 개발의 가능성을 검토하기 위하여 당근, 시금치 및 오디 생즙 각각을 첨가한 전분 겔의 품질 특성을 조사하였다. 무첨가, 당근즙, 시금치즙, 오디즙 첨가 전분 겔의 수분 함량은 첨가 재료에 따른 차이가 없었으며, 색상은 첨가재료의 색상이 전분 겔에 그대로 착색되었다. 경도는 무첨가 전분 겔에서 가장 높았으며, 탄력성, 응집성, 씹힘성 및 깨짐성은 당근을 첨가한 전분 겔에서 가장 높았으나 다른 첨가재료와 큰 차이는 없었다. 각각의 생즙을 첨가한 전분 겔의 전자공여능, 환원력 및 총 폴리페놀 함량은 생즙에 비해 다소 낮았으며, SOD 유사활성에서는 대등하거나 오히려 높은 활성을 나타내었다. 저장 기간에 따른 이수율은 당근, 시금치, 오디 즙을 첨가한 전분 겔이 무첨가 전분 겔에 비하여 낮은 이수율을 보였으며 특히, 오디 첨가구에서 가장 낮은 이수율을 나타내었다. 관능검사 결과, 천연 재료를 첨가한 전분 겔은 무첨가 전분 겔에 비해 색상, 향미, 맛이 우수하고 종합적 기호도가 높았으며, 특히 오디 첨가구에서 가장 높은 선호도를 나타내었다.

Keywords

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