• Title/Summary/Keyword: Aster glehni Kimchi

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Physicochemical and sensory characteristics of Aster glehni Kimchi during storage at different fermentation temperatures (숙성온도를 달리한 섬쑥부쟁이 김치의 이화학적 및 관능적 특성)

  • 김은미;김건희
    • Korean journal of food and cookery science
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    • v.20 no.1
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    • pp.11-16
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    • 2004
  • 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$^{\circ}C$.