Abstract:
AIMS:To quantify the ability of 136 lactic acid bacteria (LAB), isolated from wine, to produce histamine and to identify the bacteria responsible for histamine production in wine. METHODS AND RESULTS:A qualitative method based on pH changes in a plate assay was used to detect wine strains capable of producing high levels of histamine. Two quantitative, highly sensitive methods were used, an enzymatic method and HPLC, to quantify the histamine produced by LAB. Finally, an improved PCR test was carried out to detect the presence of histidine decarboxylase gene in these bacteria. The species exhibiting the highest frequency of histamine production is Oenococcus oeni. However, the concentration of histamine produced by this species is lower than that produced by strains belonging to species of Lactobacillus and Pediococcus. A correlation of 100% between presence of histidine decarboxylase gene and histamine production was observed. Wines containing histamine were analysed to isolate and characterize the LAB responsible for spoilage. CONCLUSIONS:Oenococcus was able to synthesize low concentrations of histamine in wines, while Pediococcus parvulus and Lactobacillus hilgardii have been detected as spoilage, high histamine-producing bacteria in wines. SIGNIFICANCE AND IMPACT OF THE STUDY:Information regarding histamine-producing LAB isolated from wines can contribute to prevent histamine formation during winemaking and storage.
journal_name
J Appl Microbioljournal_title
Journal of applied microbiologyauthors
Landete JM,Ferrer S,Pardo Idoi
10.1111/j.1365-2672.2005.02633.xsubject
Has Abstractpub_date
2005-01-01 00:00:00pages
580-6issue
3eissn
1364-5072issn
1365-2672pii
JAM2633journal_volume
99pub_type
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