Deterioration of shelled oil palm kernels caused by seedborne fungi

Airede, C. E.; Esuruoso, O. F.

doi:10.1002/jsfa.2740400402

Cited by 4 publications

(2 citation statements)

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“…The failure to obtain interaction between concentration of lipid and incubation time (7, 15, and 30 days) indicates that most of the lipid that was metabolizable was utilized by the fungi within the first seven day period. Decreases in the lipid content due to fungal activity have also been observed in oilseeds (Goodman and Christensen 1952;Airede and Esuruoso 1987), which suggests a lipolytic activity by ochratoxigenic fungi. The utilization of starch by ochratoxigenic fungi was similar to the effects observed in peanuts and soybeans (Millner and Geddes 1946;Ward and Diener 1961).…”

Section: Discussionmentioning

confidence: 85%

“…Fungi are known to cause changes that lead to the deterioration of infected grains (Christensen 1957;Lacey et al 1991). Such deterioration in the quality of stored grains and oilseeds can be manifested in the form of decrease in germinability, in discoloration and in biochemical changes affecting their nutritive value (Airede and Esuruoso 1987). Occasionally the development of seed borne fungi on deteriorating stored grains may result in the production of mycotoxins (Hesseltine 1976).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Effect of Ochratoxin Producing Fungi on the Chemical Composition of Wheat and Barley

Madhyastha

Marquardt

Abramson

1993

Journal of Food Quality

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Autoclaved barley and wheut samples were separately inoculated with Aspergillus alutaceus formerly calledA. ochraceus Wilhelm NRRL-3174) and Penicillium verrucosum Dierckx and incubated at 28C for 7, 15 and 30 days. Ochratoxin A (OA), fungal growth (glucosamine concentration), changes in the content of starch, lipids and protein, and the amino acid proJile were estimated. OA production of P. vermcosum on both barley and wheat increased signijcantly over time (P < 0.05 and P < 0.01) with the values being 56 pg/g and 109 pg/g, respectively (after 30 days of incubation). OA production was signijkantly higher (P < 0.01) for A. alutaceus on wheat (79 pg/g) compared with that on barley (38 pg/g). Furthermore, wheat supported growth of both fungi better than barley (P < 0.01). The principal changes in cereal constituents induced by the ochratoxigenichngi were a marked decrease in the lipids (a minor component) in wheat and barley (P < 0.05), a modest decrease in their content of starch (P < 0.05), an enhanced concentration of protein in wheat (P < 0.06 and 0.01 with the two fingal species), and a change in the relative concentrations of some of the amino acids in wheat (P < 0.05). These results demonstrate that under certain conditions relatively large amounts of OA can be produced in grains with correspondingly small effects on the content of the starch and protein.

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Section: Discussionmentioning

confidence: 85%

Section: Introductionmentioning

confidence: 99%