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Greco, M.; Patriarca, A.; TerminielloL.; Fernández Pinto, V.; Pose, G. "Toxigenic Alternaria species from Argentinean blueberries" (2012) International Journal of Food Microbiology. 154(3):187-191
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Abstract:

Blueberries are traditionally consumed in North America, some European countries and Japan. In Argentina, the blueberry crop is profitable because production starts in November, when the northern hemisphere lacks fresh fruit. Fungal contaminants can grow and produce mycotoxins in fresh fruit. The aims of this work were to identify the main genera of the mycobiota of blueberries grown in Argentina and to determine the toxicogenic potential, pathogenicity and host specificity of the species isolated. The genus Alternaria was the main component of the blueberry mycobiota (95%); minor proportions of Phoma spp. (4%) and Penicillium spp. (1%) were also isolated. According to their sporulation patterns, 127 Alternaria isolates belonged to the Alternaria tenuissima species-group, 5 to the Alternaria alternata species-group and 2 to the Alternaria arborescens species-group. The last mentioned species-group was not isolated at 5. °C. Of the 134 isolates, 61% were toxicogenic in autoclaved rice; 97% of these produced alternariol (AOH) in a range from 0.14 to 119.18. mg/kg, 95% produced alternariol methylether (AME) in a range from 1.23 to 901.74. mg/kg and 65% produced tenuazonic acid (TA) in a range from 0.13 to 2778. mg/kg. Fifty two isolates co-produced the three mycotoxins. According to the size of the lesion that they caused on blueberries, the isolates were classified as slightly pathogenic, moderately pathogenic and very pathogenic. No significant differences in pathogenicity were found on different blueberry varieties.In this work, high incidence and toxicogenic potential of the Alternaria isolates from blueberries were demonstrated. Thus, more studies should be done to evaluate the health risk posed by the presence of the Alternaria toxins in blueberries and in the manufactured by-products. © 2012 Elsevier B.V.

Registro:

Documento: Artículo
Título:Toxigenic Alternaria species from Argentinean blueberries
Autor:Greco, M.; Patriarca, A.; TerminielloL.; Fernández Pinto, V.; Pose, G.
Filiación:Departamento de Ciencia y Tecnología, Ingeniería en Alimentos, Universidad Nacional de Quilmes, Buenos Aires, Argentina
Laboratorio de Microbiología de Alimentos, Departamento de Química Orgánica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires. Intendente Güiraldes 2160, Pabellón II, 3o Piso, Ciudad Universitaria C1428EGA, Buenos Aires, Argentina
Roque Sáenz Peña 352, Bernal B1876BXD, Buenos Aires, Argentina
Palabras clave:Alternaria; Alternariol; Alternariol methylether; Blueberries; Tenuazonic acid; alternariol; alternariol methylether; mycotoxin; tenuazonic acid; unclassified drug; Alternaria; Alternaria alternata; Alternaria arborescens; Alternaria tenuissima; Argentina; article; autoclave; blueberry; controlled study; fungal virulence; fungus; fungus isolation; host range; nonhuman; Penicillium; phoma; rice; sporogenesis; Alternaria; Argentina; Blueberry Plant; Food Storage; Mycotoxins; Alternaria; Alternaria alternata; Alternaria arborescens; Alternaria tenuissima; Mycota; Penicillium; Phoma; Vaccinium
Año:2012
Volumen:154
Número:3
Página de inicio:187
Página de fin:191
DOI: http://dx.doi.org/10.1016/j.ijfoodmicro.2012.01.004
Título revista:International Journal of Food Microbiology
Título revista abreviado:Int. J. Food Microbiol.
ISSN:01681605
CODEN:IJFMD
CAS:alternariol, 641-38-3; tenuazonic acid, 610-88-8, 75652-74-3; Mycotoxins
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01681605_v154_n3_p187_Greco

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Citas:

---------- APA ----------
Greco, M., Patriarca, A., TerminielloL., Fernández Pinto, V. & Pose, G. (2012) . Toxigenic Alternaria species from Argentinean blueberries. International Journal of Food Microbiology, 154(3), 187-191.
http://dx.doi.org/10.1016/j.ijfoodmicro.2012.01.004
---------- CHICAGO ----------
Greco, M., Patriarca, A., TerminielloL., Fernández Pinto, V., Pose, G. "Toxigenic Alternaria species from Argentinean blueberries" . International Journal of Food Microbiology 154, no. 3 (2012) : 187-191.
http://dx.doi.org/10.1016/j.ijfoodmicro.2012.01.004
---------- MLA ----------
Greco, M., Patriarca, A., TerminielloL., Fernández Pinto, V., Pose, G. "Toxigenic Alternaria species from Argentinean blueberries" . International Journal of Food Microbiology, vol. 154, no. 3, 2012, pp. 187-191.
http://dx.doi.org/10.1016/j.ijfoodmicro.2012.01.004
---------- VANCOUVER ----------
Greco, M., Patriarca, A., TerminielloL., Fernández Pinto, V., Pose, G. Toxigenic Alternaria species from Argentinean blueberries. Int. J. Food Microbiol. 2012;154(3):187-191.
http://dx.doi.org/10.1016/j.ijfoodmicro.2012.01.004