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Registros recuperados: 4
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Fumonisins in corn: correlation with Fusarium sp. count, damaged kernels, protein and lipid content BABT
Ono,Elisabete Yurie Sataque; Biazon,Luciana; Silva,Marcelo da; Vizoni,Édio; Sugiura,Yoshitsugu; Ueno,Yoshio; Hirooka,Elisa Yoko.
Natural fungal and fumonisin contamination were evaluated in 109 freshly harvested corn samples from Paraná State and correlated to damaged kernels (%). In addition, healthy and damaged kernels of 24 corn samples were selected in order to compare the mycoflora profile and fumonisin levels. The correlation among protein/lipid content and fumonisin levels was also analyzed in the 15 most frequently cultivated corn hybrids. Total fungal colony count in 109 freshly harvested corn samples ranged from 1.9x10(4) to 3.5x10(6) CFU/g, Fusarium sp. count from 1.0x10³ to 2.2x10(6) CFU/g, and fumonisin levels from 0.13 to 20.38 µg/g. Total fungal colony/Fusarium sp. count and fumonisin levels showed positive correlation (p < 0.05). In addition, there was a positive...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mycoflora; Toxigenic fungi; Mycotoxins; Fumonisins; Corn quality.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000100008
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Fungal flora of the digestive tract of Rhodnius prolixus, Rhodnius neglectus, Diptelanogaster maximus and Panstrongylus megistus, vectors of Trypanosoma cruzi, Chagas, 1909 BJM
Moraes,Aurea Maria Lage de; Junqueira,Angela Cristina Vieira; Celano,Valéria; Costa,Gisela Lara da; Coura,José Rodrigues.
This paper reports a study on the mycobiota in the digestive tract of four important species of triatomines: Rhodnius prolixus, R. neglectus, Diptelanogaster maximus and Panstrongylus megistus. The digestive tracts of 90 adults and 425 nymphs of these four triatomine species were studied and 365 fungal strains were isolated. The genera with the greatest number of species were Aspergillus, Penicillium (14 species in each genus), Acremonium and Cladosporium (three species in each genus), and the most frequent species, in decreasing order, were Aspergillus awamori, Penicillium corylophilum, Cladosporium herbarum and Aspergillus niger. It was concluded that, among the isolated fungi, Aspergillus niger and Penicillium corylophilum might be part of the natural...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aspergillus spp; Fungi; Insect's digestive tract; Mycoflora; Penicillium spp; Triatomines.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822004000300003
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Mycoflora and aflatoxigenic species in derivatives of milled rice Ciênc. Tecnol. Aliment.
LIMA,Carlos A. P.; ORSI,Reinaldo B.; DILKIN,Paulo; CORRÊA,Benedito.
Thirty samples of rough rice stored for 6, 12 and 24 months in government authorized warehouses of the state of Rio Grande do Sul, Brazil, were simultaneously collected. After milling of the product, 90 samples (30 of polished rice, 30 of rice bran and 30 of rice hull) were evaluated for their mycoflora, aflatoxigenic species and aflatoxin contamination. The following fungi, listed in decreasing order of frequency, were isolated on Potato-Dextrose Agar: Aspergillus spp., Nigrospora spp., Penicillium spp.; Fusarium spp.; Mucor spp.; Cladosporium spp.; Trichosporon spp. and non-sporulated fungi. The degree of fungal contamination (colony forming units per gram of product) was lowest in polished rice, increasing progressively in samples of rice bran and rice...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aflatoxin; Aspergillus flavus; Mycoflora; Milled rice; Stored rice.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612000000100008
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Mycoflora study in a wheat flour mill of Argentina BJM
Aringoli,E.E.; Cambiagno,D.E.; Chiericatti,C.A.; Basilico,J.C.; Basilico,M.L.Z..
The mycoflora of the environment: wheat conditioning, milling and screening, and filling zone, as well as, raw material -wheat-, intermediate product -grits- and end product -flour- on day 1, and after cleaning improvements -days 45 and 90- were studied in an Argentine wheat mill. Samples were incubated at 28°C for 5-7 days on Malt Extract Agar with chloramphenicol (100 mg L-1) and the results were expressed in colony forming units per cubic meter of air (CFU m-3) or per gram of sample (CFU g-1), respectively. Fungal genera and species were isolated and identified and the potential toxicogenic capacity of the Aspergillus flavus and Fusarium graminearum isolated was studied. Time-Place and Time-Product multifactorial ANOVA were carried out. After cleaning...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mycoflora; Environment; Wheat mill.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822012000400028
Registros recuperados: 4
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