염도를 달리한 전통 고추장의 숙성 과정 중 미생물 및 휘발성 향기성분의 분석Analysis of Microflora and Volatile Flavor Components in Traditional Gochujang with Different Concentrations of Salt during Fermentation
- Other Titles
- Analysis of Microflora and Volatile Flavor Components in Traditional Gochujang with Different Concentrations of Salt during Fermentation
- Authors
- 변옥희; 박정민; 박영서; 배동훈
- Issue Date
- 2014
- Publisher
- 한국산업식품공학회
- Keywords
- gochujang; salt concentration; fermentation; microflora; flavor
- Citation
- 산업식품공학, v.18, no.4, pp.282 - 292
- Journal Title
- 산업식품공학
- Volume
- 18
- Number
- 4
- Start Page
- 282
- End Page
- 292
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/13348
- DOI
- 10.13050/foodengprog.2014.18.4.282
- ISSN
- 1226-4768
- Abstract
- Changes in microflora and volatile flavor components in traditional gochujang with five different salt concentrations during the 10 month fermentation time were analyzed. The viable cell numbers of aerobic and halophile bacteria from all samples were determined to be in the range of 6-7 log CFU/g, which showed no significant change. A predominant species among aerobic and halophilic bacteria was identified as Bacillus subtilis, whereas a variety of species were identified in gochujang with salt concentrations of 3 and 6%. The analysis of volatile flavor components in gochujang during fermentation was conducted by SPME method. Esters and alcohols were identified as main aroma groups. Ethyl acetate among the ester group and ethanol among the alcohol group were found to be the major volatile flavor components in all types of gochujang. 3-Methyl-1-butyl acetate among the ester group and acetic acid among the acid group were detected much more in gochujang with salt concentrations of 3 and 6% as the fermentation stage continued. Meanwhile, 3-hydroxy-2-butanone among the ketone group was highly detected in gochujang with salt concentrations of 10 and 15%.
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