期刊
FOOD RESEARCH INTERNATIONAL
卷 149, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.foodres.2021.110668
关键词
Fermented food; Ingredient; Lactic acid bacteria; Metataxonomics; Metabonomics
资金
- World Institute of Kimchi - Ministry of Science and ICT [KE2101-2]
- Basic Science Research Program of the National Research Foundation of Korea (NRF) [2018R1D1A1A09082921, 2018R1D1A1B07045349]
- Ewha Womans University
- High Value-added Food Technology Development Program
- Ministry of Agriculture, Food and Rural Affairs (MAFRA), Republic of Korea
- National Research Foundation of Korea [2018R1D1A1B07045349, 2018R1D1A1A09082921] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The main ingredients of kimchi play a crucial role in determining the microbial community and metabolite composition during food fermentation. Microorganisms such as Leuconostoc gelidum, Weissella kandleri, and Lactobacillus sakei groups were found to be primarily distributed in kimchi cabbage and young radish-based foods. The metabolite profiles varied depending on the sample type, suggesting that the main ingredients significantly impact the fermentation process.
Kimchi is a fermented food prepared via spontaneous fermentation by lactic acid bacteria originating from raw ingredients. To investigate the effect of these ingredients on food fermentation, four types of food that differed only in their main raw ingredients (kimchi cabbage, green onion, leaf mustard, and young radish) were evaluated. The major microorganisms were Leuconostoc gelidum, Weissella kandleri, and Lactobacillus sakei groups. The distribution of these species depended on the sample type. All three species were primarily distributed in the food prepared from kimchi cabbage and young radish; however, the Lac. sakei group was hardly found in the food prepared using green onion and leaf mustard. Metabolite analysis results showed that the free sugar, organic acid, ethanol, and amino acid profiles differed with the sample type. This study indicates that the main ingredients could be an important factor in determining the composition of the microbial community and the metabolite composition.
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