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Abstract:

The influence of water activity (a(w)) on both Penicillium citrinum growth and citrinin accumulation in wheat was studied. Wheat conditioned at different levels of a(w) and inoculated with a citrinin producer strain was incubated at 30°C for 2 months. Fungal growth was assessed by microscopic examination. P. citrinum grew down to a, 0.775. Citrinin was not detected in the substrate at a(w) 0.800 and lower. As a(w) increased the toxin was detected earlier and the maximum accumulation increased markedly (65 μg/kg a(w) 0.810, 460 μg/kg at a(w) 0.825 and 22 mg/kg at a(w) 0.885). Citrinin concentration declines rapidly after reaching the maximum at each a(w) level.

Registro:

Documento: Artículo
Título:Influence of water activity on Penicillium citrinum growth and kinetics of citrinin accumulation in wheat
Autor:Comerio, R.; Fernández Pinto, V.E.; Vaamonde, G.
Filiación:Depto. de Quim. Orgánica, Fac. Cie. Exact. Y Nat., Univ. B., 1428 Buenos Aires, Argentina
Palabras clave:Citrinin accumulation; Penicillium citrinum; Water activity; Wheat; citrinin; water; article; controlled study; fungus growth; incubation time; nonhuman; penicillium; penicillium citrinum; temperature; wheat; Chromatography, Gel; Chromatography, Thin Layer; Citrinin; Food Microbiology; Kinetics; Penicillium; Time Factors; Triticum; Water
Año:1998
Volumen:42
Número:3
Página de inicio:219
Página de fin:223
DOI: http://dx.doi.org/10.1016/S0168-1605(98)00081-6
Título revista:International Journal of Food Microbiology
Título revista abreviado:Int. J. Food Microbiol.
ISSN:01681605
CODEN:IJFMD
CAS:Citrinin, 518-75-2; Water, 7732-18-5
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01681605_v42_n3_p219_Comerio

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Citas:

---------- APA ----------
Comerio, R., Fernández Pinto, V.E. & Vaamonde, G. (1998) . Influence of water activity on Penicillium citrinum growth and kinetics of citrinin accumulation in wheat. International Journal of Food Microbiology, 42(3), 219-223.
http://dx.doi.org/10.1016/S0168-1605(98)00081-6
---------- CHICAGO ----------
Comerio, R., Fernández Pinto, V.E., Vaamonde, G. "Influence of water activity on Penicillium citrinum growth and kinetics of citrinin accumulation in wheat" . International Journal of Food Microbiology 42, no. 3 (1998) : 219-223.
http://dx.doi.org/10.1016/S0168-1605(98)00081-6
---------- MLA ----------
Comerio, R., Fernández Pinto, V.E., Vaamonde, G. "Influence of water activity on Penicillium citrinum growth and kinetics of citrinin accumulation in wheat" . International Journal of Food Microbiology, vol. 42, no. 3, 1998, pp. 219-223.
http://dx.doi.org/10.1016/S0168-1605(98)00081-6
---------- VANCOUVER ----------
Comerio, R., Fernández Pinto, V.E., Vaamonde, G. Influence of water activity on Penicillium citrinum growth and kinetics of citrinin accumulation in wheat. Int. J. Food Microbiol. 1998;42(3):219-223.
http://dx.doi.org/10.1016/S0168-1605(98)00081-6