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Updated: Jun 20, 2026

The Cultivation, Growth, and Viability of Lactic Acid Bacteria: A Quality Control Perspective
Published on: June 16, 2022
Biopreservation of refrigerated and vacuum-packed Dicentrarchus labrax by lactic acid bacteria
Leila El Bassi1, Mnasser Hassouna, Naoya Shinzato
1Center of Molecular Biosciences, Univ. of the Ryukyus, Nishihara-cho, Okinawa, 903-0213, Japan.
Abstract:
Two lactic acid bacteria (LAB) were selected from 100 LAB isolated from various sea products to examine their use in Dicentrarchus labrax preservation. The isolates, tentatively named strain nr 3 and 7, were identified as Lactobacillus plantarum and L. pentosus, respectively. They showed antagonistic activity against psychrotroph, pathogenic, and coliform bacteria. The antagonistic activity of strain 3 was suggested to be by bacteriocins since activity was abolished by protease treatment, while that of strain 7 was due to the effect of pH decrease caused by the produced organic acids. Their use prevented total volatile basic nitrogen contents (TVB-N) and trimethylamine (TMA) to some extent, suggesting that inoculation could extend the period of storage.
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