Quality Characteristics and Antioxidant Activities of Sulgidduk Added with Almond Powder
2017
Yu, H.N., Chungnam National University, Daejeon, Republic of Korea | Song, J.H., Chungnam National University, Daejeon, Republic of Korea | Kim, M.R., Chungnam National University, Daejeon, Republic of Korea
The purposes of this study were to evaluate the quality characteristics and antioxidant activities of Sulgidduk added with almond powder (0, 6, 12, or 15%). As the amount of almond powder increased, soluble solid content (°Brix) and reducing sugar content (%) decreased, whereas pH and acidity were unchanged. The L (lightness) value in the Hunter color system of Sulgidduk added with almond powder decreased, whereas a (redness) and b (yellowness) values increased. Total phenolic content of Sulgidduk increased according to the amount of almond powder. The antioxidant activities, including 1,1-diphenyl-2-picrylhydrazyl and hydroxy radical scavenging activities, increased in Sulgidduk with almond powder compared with that of the control. It is concluded that Sulgidduk with almond powder may be of high quality with antioxidant activity. In the sensory test, Sulgidduk added with 12% almond powder showed the highest score in terms of overall preference.
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