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Quality Characteristics and Antioxidant Activities of Black Garlic Jam Prepared with Fructooligosaccharide  

Kim, Min-Hee (Department of Food & Nutrition, Chungnam National University)
Kim, Sung-Min (Department of Culinary Art, Woosong University)
Kim, Mee-Ree (Department of Food & Nutrition, Chungnam National University)
Publication Information
Journal of the East Asian Society of Dietary Life / v.20, no.6, 2010 , pp. 916-922 More about this Journal
Abstract
The quality characteristics and antioxidant activities were evaluated for jams containing fructooligosaccharide (FTO) and FTOS (sucrose 50%+FTO 50%) substituted for sucrose. The endpoint of jam preparation was determined to be sweetness of $64^{\circ}Brix$. Moisture contents differed among the treatments, whereas acidity did not. Reducing sugar content and viscosity were highest in the FTO (0.144%, 126,800 cP), and the lowest in control (0.074%, 101,600 cP). Lightness (L value), redness (a value), and yellowness (b value) values of the Hunter color system were highest in the FTO sample. Hardness and springiness of textural properties were the highest in the FTO sample as well. Antioxidant activities were the highest in the FTO sample with the lowest $IC_50$ values (42.3 mg/g for DPPH and 22.4 mg/g for hydroxyl radical scavenging activities). Total phenolic content was the highest in the FTO sample among all treatments. The overall acceptance score of black garlic jam containing FTO was the highest. Based on these results, it is suggested that FTO was appropriate for achieving good qualities such as antioxidative activity in black garlic jam.
Keywords
Black garlic; jam; fructooligosaccharide; quality;
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Times Cited By KSCI : 4  (Citation Analysis)
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