Biogenic amines are produced during fermentation and can act as harmful substances. Strains related to the fermentation of maesil extract were identified and Clavispora lusitaniae and Pichia kluyveri were selected to investigate the relationship between biogenic amines and precursors, NaCl or ethanol. Biogenic amines were analyzed by high-performance liquid chromatography. Among precursors added, arginine was most effective for the biogenic amines formation. After 24 h incubation, the content of total biogenic amines increased from 37.60 to 51.75 mL/L for C. lusitaniae and from 2.60 to 33.30 mL/L for P. kluyveri in arginine-added medium. The number of yeast decreased in both NaCl- and ethanol-YM broth added with arginine, but there was no correlation between the number of yeast and biogenic amines. These results suggested that the formation of biogenic amines by yeast was affected by various factors and their interactions rather than a single factor, such as decarboxylase activity and stress factor.
Supplementary information: The online version contains supplementary material available at 10.1007/s10068-023-01328-8.
Keywords: Biogenic amine; Clavispora lusitaniae; Fermentation; Maesil; Pichia kluyveri.
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