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Influence of propionic acid on growth and aflatoxin production by Aspergillus flavus in liquid submerged and solid substrate conditions


, : Influence of propionic acid on growth and aflatoxin production by Aspergillus flavus in liquid submerged and solid substrate conditions. Journal of Environmental Pathology, Toxicology and Oncology 11(2): 57-60

The present experiments demonstrate that sublethal concentrations of propionic acid stimulated aflatoxin production considerably in submerged shaken culture and solid substrate culture of Aspergillus flavus. In liquid conditions aflatoxin formation was significantly influenced by the time of addition of propionic acid. The spores initially swelled into large spherical cells, and the resultant hyphae developed into a swollen, stunted, and excessively branched mycelium.


Accession: 007458682

PMID: 1573566

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Related references

A.H.lli, A.L.; Smith, J.E., 1979: Influence of propionic acid on growth and aflatoxin production by Aspergillus flavus. The inhibitory effect of propionic acid on fungal spore germination was confirmed for A. flavus. The effect was fungistatic and germination could occur after sufficient propionic acid had been metabolised by spores. Aflatoxin concs. were markedly...

Mallozzi M.A.B.; Campacci C.A.; Chiba S., 1985: Effect of propionic acid on the growth and aflatoxin production by aspergillus flavus. Aiming to know the effect of propionic acid on the growth and aflatoxin synthesis by a toxigenic strain of Aspergillus flavus, a dilution series (10-1 to 10-6) added to CAM culture medium "in vitro" experiment was prepared. Effects on th...

Mallozzi, M.A.B.; Campacci, C.A.; Chiba, S., 1985: Action of propionic acid on aflatoxin production by and growth of Aspergillus flavus. At dilutions of 10-1 and 10-2 propionic acid completely inhibited the growth of and aflatoxin synthesis by A. flavus.

Ghosh, J.; Haggblom, P., 1985: Effect of sublethal concentrations of propionic or butyric acid on growth and aflatoxin production by Aspergillus flavus. Sublethal doses (0.1-2 mg/ml) of propionic or butyric acid were added to a medium supporting A. flavus growth. A reduction in growth and aflatoxin production occurred when the acids were added at the time of inoculation. Addition of the acids to c...

Ghosh J.; Haggblom P., 1985: Effect of sublethal concentrations of propionic acid or butyric acid on growth and aflatoxin production by aspergillus flavus. Propionic or butyric acid was added at sublethal doses (0.1-2 mg/ml) to a growth medium supporting growth of Aspergillus flavus and subsequent aflatoxin production. A reduction in growth and aflatoxin production occurred when the acids were added...

Thanaboripat D.; Ramunsri W.; Apintanapong M.; Chusanatasana U., 1992: Effects of sodium chloride propionic acid and ammonium hydroxide on growth of aspergillus flavus on corn and aflatoxin production. Inhibitory effects on growth and aflatoxin production of Aspergillus flavus in ground corn by sodium chloride, propionic acid and ammonium hydroxide were examined. Sodium cholride at concentrations of 40 and 80 mg/g could inhibit only aflatoxin pr...

Hayes, A.W.; Davis, N.D.; Diener, U.L., 1966: Effect of Aeration on Growth and Aflatoxin Production by Aspergillus flavus in Submerged Culture. Aspergillus flavus ATCC 15517 produced up to 212 mg per liter of total aflatoxin in submerged culture in aerated (3,000, 6,000, 9,000, and 12,000 ml/min) and agitated medium in 14-liter fermentors with 10 liters of medium consisting of 2% yeast ex...

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