The Quality and Antioxidant Properties of Cookies containing Aronia Powder

아로니아 분말을 첨가한 쿠키의 품질특성 및 항산화 활성

  • Received : 2016.06.06
  • Accepted : 2016.08.10
  • Published : 2016.08.31

Abstract

This study investigated the quality characteristics of cookies containing Aronia powder, which is well known for its various functions and biological activity. In this study, we assessed the quality characteristics and antioxidant activity of cookies containing various concentrations (0, 2, 4, 6 and 8%) of Aronia powder(AP). To analyze quality characteristics, pH of dough, moisture content, color(L, a, b), hardness, and sensory properties were measured. Qualities, such as moisture content, redness and yellowness and hardness increased significantly (p<0.001). whereas pH and lightness of the cookies significantly decreased (p<0.001). The antioxidant activity measured by DPPH and ABTS radical scavenging activities were significantly higher than the control, and it proportionally increased as the amount of AP increased (p<0.001). The results of sensory properties showed that cookies made with 2% and 4% AP did not differ significantly from the control in color, taste, and overall quality. Texture scores for the 2% and 4% AP groups ranked significantly higher than those of the other groups. Taken together, the results of this study suggest that AP is a beneficial ingredient for increasing the consumer acceptability and functionality of cookies. The quality characteristics of the 4% added samples exhibited significantly similar or higher values as compared to those of the controls, raising the possibility of developments in health-functional cookies. The results of the sensory evaluation produced very significant values for color, appearance, texture, and overall quality of instrumental analysis.

여러 가지 기능성과 생리활성을 가지고 있는 아로니아를 활용하고자 아로니아 분말을 첨가하여 가능성을 살펴보았다. 본 연구에서는 아로니아 가루 첨가(0, 2, 5, 7, 8%)한 쿠키를 제조하여 쿠키의 품질특성, 반죽 pH, 수분함량, 색도 및 관능 특성을 측정했다. 색도 a, b값, 수분, 경도는 아로니아 함유량의 증가와 함께 증가되었다(p<0.001). 아로니아 분말을 첨가 할수록 pH, 명도 L값은 유의하게 감소하였다(p<0.001). DPPH와 ABTS radical 소거능 역시, 아로니아 분말 첨가군이 대조군에 비해 radical 소거활성이 높게 나타나, 아로니아 분말 첨가량이 증가할수록 항산화 활성도 증가하는 것으로 보인다. 전반적인 기호도는 4% 첨가군이 대조군과 다른 군보다 유의적으로 높았으며(p<0.001), 외관, 향, 맛의 기호도는 아로니아 가루 첨가량에 따라 낮아지는 경향이었다. 이와같은 결과로 아로니아 첨가 쿠키 제조 시 품질특성, 항산화성, 기호도 면에서 2%, 4%가 높게 평가되어 아로니아 쿠키의 관능특징과 건강 기능성 효과 등을 고려할 때 2~4%의 아로니아 가루를 첨가하는 것이 가장 적절한 것으로 판단된다. 본 연구 분석을 통해 4% 아로니아 분말을 첨가하였을 때 아로니아 분말 쿠키는 품질, 기호도 측면에서 품질 특성이 높고, 건강 기능성을 고려한 충분한 경쟁력이 있을 것으로 생각되며, 아로니아 분말을 이용한 개발 가능성을 확인할 수 있었다.

Keywords

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