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Physicochemical and sensory characteristics of Aster glehni Kimchi during storage at different fermentation temperatures  

김은미 (덕성여자대학교 식품영양학과)
김건희 (덕성여자대학교 식품영양학과)
Publication Information
Korean journal of food and cookery science / v.20, no.1, 2004 , pp. 11-16 More about this Journal
Abstract
This study was conducted to increase the value of Aster glehni as a useful food resource. The Hunter L, a and b Values of Aster glehni leaves Were 34.23${\pm}$2.80, -10.59${\pm}$1.80 and 13.29${\pm}$2.51, respectively. The Shearing force and contents of tannin and dietary fiber were 4701.2g, 100.9ppm and 37.1％, respectively. The minerals identified in Aster glehni were Ca (6.93mg/kg), K (45.36mg/kg), Mg (1.70mg/kg), Fe (0.36mg/kg) and Na (1.26mg/kg). Aster glehni Kimchi was packed in polyethylene film (200g) and fermented at 20 and 4$^{\circ}C$. With regards to the color changes, the Aster glehni Kimchi fermented at 20$^{\circ}C$ showed greater increases in the Hunter L, a and b values than a 4$^{\circ}C$. The pH of the Kimchi decreased and acidity increased with storage time at both temperatures. The ascorbic acid contents decreased sharply with storage time and by about 85％ at 20$^{\circ}C$ after 5 days, and 73％ at 4$^{\circ}C$ after 30 days. The reducing sugar content also decreased with storage time at both 20 and 4$^{\circ}C$. The results of the sensory evaluation showed the optimum ripening times of the Aster glehni Kimchi to be 1∼3 days at 20$^{\circ}C$ and less than 20 days at 4$^{\circ}C$.
Keywords
Aster glehni; quality characteristics; Aster glehni Kimchi;
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