Acta Agriculturae Zhejiangensis ›› 2025, Vol. 37 ›› Issue (6): 1336-1343.DOI: 10.3969/j.issn.1004-1524.20240471

• Food Science • Previous Articles     Next Articles

Changes of bacterial community and quality during pickling process of Jinyun pickled and dried mustard

ZHANG Chengcheng1(), FAN Tao2, ZHANG Jianming1, ZHAO Fengliang2, XIN Xiaoting1, NIU Haiyue1, LIU Daqun1,*()   

  1. 1. Zhejiang Key Laboratory of Intelligent Food Logistic and Processing, Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
    2. Zhejiang Caiweiju Agricultural Development Co., Ltd., Lishui 321499, Zhejiang, China
  • Received:2024-05-28 Online:2025-06-25 Published:2025-07-08

Abstract:

In order to explore the changes of bacterial community and quality during the pickling process of stem and leaf of Jinyun pickled and dried mustard, the dynamic changes of titratable acid, pH value, nitrite content, organic acid content and bacterial community structure in stem and leaf were monitored during the pickling process within 15 days. The results showed that the leaf could reach mature after pickling for 9-12 days, which was suitable for further processing. At this time, the titratable acid content and pH value were stable, and the nitrite content was low within 2.02-2.43 mg·L-1. In addition, the content of organic acids such as lactic and acetic acid was high, and the beneficial lactic acid bacteria such as Latilactobacillus, Weissella, Lactococcus and Leuconostoc were dominant. The ripening rate of stem was slower than that of leaf, its titratable acid content and organic acid content were lower than those of leaf, and its appropriate pickling time was about 15 days. These findings could provide theoretical foundation for processing and quality control of Jinyun pickled and dried mustard.

Key words: stem, leaf, pickling, bacterial community, quality

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