Abstract
The purpose of the current study was to investigate the biogenic amine production of lactic acid bacteria (LAB) strains (Lactobacillus pentosus, Lactobacillus plantarum, Pediococcus acidilactici, Lactobacillus paraplantarum, Lactobacillus fermentum, Lactococcus raffinolactis, Pediococcus pentosaceus and Leuconostoc mesenteroides) which in fermented foodstuff. Biogenic amine production of LAB strains was monitored in histidine decarboxylase broth using HPLC method. Significant differences were observed on ammonia (AMN) and biogenic amines accumulation among LAB strains (p<0.05). Although P. acidilactici produced lesser AMN than other LAB, it was observed that all LAB strains produced high amount of AMN. LAB strains produced all amines in amounts between 1.48 and 1187.50 mg/L. Histamine production by LAB was in range from 17.20 mg/L by P. acidilactici to 126.26 mg/L by Lb. fermentum. The lowest tyramine concentration was observed by P. acidilactici with value of 14.66 mg/L whilst the highest tyramine production was found by L. raffinolactis with value of 64.43 mg/L.
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