Abstract
Strains with biodegradability of biogenic amines were screened from lactic acid bacteria strains from different sources preserved in the laboratory, and their growth ability at different salt concentrations and pH values were determined. The results showed that three strains with the capability of degrading biogenic amines were screened out. Based on 16S rDNA sequence analysis, strain HM22 was identified as Lactobacillus fermentum, strain HM24 as Lactobacillus plantarum, and strain YF10042 as Enterococcus faecalis. Among them, Lactobacillus plantarum HM24 has the best degradation ability. The degradation rates of tryptamine, phenethylamine, putrescine, cadaverine, histamine, tyramine, spermidine and spermine are (25.90±2.30)%, (35.75±2.71)%, (27.61±3.94)%, (25.91±3.76)%, (22.54±2.64)%, (34.55±1.90)%, (39.25±1.86)%, (55.66±7.08)%, respectively. When the salt concentration is 4%~10%, the tolerance of 3 strains decreased with the increase of salt concentration; When pH is 3.5~9.5, all three strains can grow.
Publication Date
5-28-2020
First Page
64
Last Page
69
DOI
10.13652/j.issn.1003-5788.2020.05.012
Recommended Citation
Xue, DU and Yan-feng, YOU
(2020)
"Screening and identification of biogenic amine degrading strains,"
Food and Machinery: Vol. 36:
Iss.
5, Article 12.
DOI: 10.13652/j.issn.1003-5788.2020.05.012
Available at:
https://www.ifoodmm.cn/journal/vol36/iss5/12
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