Journal
FOODS
Volume 10, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/foods10102488
Keywords
kimchi; free sugar; organic acid; free amino acid; volatile compound; microbial community; antioxidant activity
Categories
Funding
- 2020 Collaborative R&BD Program of The Food Industry Promotional Agency
- WIKIM Research Program [KE2102-2-2]
- Ministry of Science and ICT, Korea
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Commercial kimchi manufactured in Korea showed high mineral and free sugar contents, with relatively low organic acid content. Korean kimchi also had markedly higher free amino acid content compared to kimchi from China and the United States. Additionally, volatile compound content varied between kimchi produced in different countries. The microbial community in Korean kimchi included more Leuconostoc and Weissella, and showed the highest antioxidant activity.
Recently, kimchi has been recognized as a healthy food worldwide, prompting increased interest in its health benefits and quality characteristics. Although commercial kimchi is manufactured in various countries, little is known about quality differences between the kimchi from different countries. To clarify differences in quality characteristics, minerals, free sugars, organic acids, free amino acids, and volatile compounds, commercial kimchi manufactured in Korea, China, and the United States were investigated. The composition of the microbial community and antioxidant activity were compared. Mineral and free sugar contents were high in Korean commercial kimchi, while the organic acid content was relatively low. The free amino acid content was markedly higher in Korean kimchi than that in kimchi manufactured in China and the United States. In addition, the volatile compound content differed between the kimchi produced in different countries. Considering the microbial communities, Leuconostoc and Weissella were more abundant in commercial kimchi from Korea than that from China or the United States. Commercial kimchi in Korea showed the highest antioxidant activity. These results support the high quality and antioxidant activity of commercial kimchi manufactured in Korea, emphasizing its importance in the global kimchi industry.
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