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Table 2. Polyamines production (mg/L) by E. coli and Salmonella Paratyphi A in lysine decarboxylase broth (LDB a ) Pathogens/Amines (mg/L) CAD b PUT SPD SPN AGM E. coli ATCC 25922 1072,21 a (±49,36) 1114,18 a (±43,96) 43,80 b (±11,47) 12,08 c (±2,75) 88,51 b (±11,27) S. Paratyphi A NCTC 13 372,17 a (±17,21) 278,47 b (±19,05) 19,59 d (±0,84) 35,27 d (±0,38) 239,93 c (±14,40) a The data are reported as mean values (n = 4); standard deviation is given in parentheses. Values in the same row followed by different letters (a−d) are significantly different (p < 0.05). b CAD: cadaverine, PUT: putrescine, SPD: spermidine, SPN: spermine, AGM: agmatine Results of our research;