dc.contributor.author |
Stander, MA
|
en_US |
dc.contributor.author |
Steyn, PS
|
en_US |
dc.contributor.author |
Lubben, A
|
en_US |
dc.contributor.author |
Miljkovic, A
|
en_US |
dc.contributor.author |
Mantle, PG
|
en_US |
dc.contributor.author |
Marais, GJ
|
en_US |
dc.date.accessioned |
2007-03-14T07:07:19Z |
en_US |
dc.date.accessioned |
2007-06-07T10:06:00Z |
|
dc.date.available |
2007-03-14T07:07:19Z |
en_US |
dc.date.available |
2007-06-07T10:06:00Z |
|
dc.date.copyright |
|
en_US |
dc.date.issued |
2000-05 |
en_US |
dc.identifier.citation |
Stander, MA, et al. 2000. Influence of halogen salts on the production of the ochratoxins by aspergillus ochraceus wilh. Journal of Agricultural and Food Science, vol. 48 (5), pp 1865-1871 |
en_US |
dc.identifier.issn |
0021-8561 |
en_US |
dc.identifier.uri |
http://hdl.handle.net/10204/1896
|
en_US |
dc.identifier.uri |
http://hdl.handle.net/10204/1896
|
|
dc.description.abstract |
The first report of the biological production of bromo ochratoxin B, by Aspergillus ochraceus Wilh. is presented as well as a study of the influence of potassium bromide, potassium iodide, potassium fluoride, and potassium chloride on the production of ochratoxin A and ochratoxin B. Potassium fluoride and potassium iodide inhibited the growth of the fungus, whereas potassium chloride substantially stimulated the production of ochratoxin A in shaken solid substrate fermentation on whole wheat or shredded wheat, generally giving a high yield of ochratoxins. Increasing levels of potassium bromide led to a decline in ochratoxin a production and an increase in bromo-ochratoxin B, ochratoxin B, and 4-hydroxy ochratoxin B. Nevertheless, A. ochraceus was much less versatile in the bromo analogues than other fungi, which produce metabolites containing chlorine. Analysis included aminopropyl solid-phase extraction column cleanup followed by quantitative analysis on reversed-phase HPLC using fluorescence detection and employing N-(5-chloro-2 -hydroxybenzoyl)-phenylalanine as an internal standard. |
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dc.format.extent |
160156 bytes |
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dc.format.mimetype |
application/pdf |
en_US |
dc.language.iso |
en |
en_US |
dc.publisher |
American Chemical Society |
en_US |
dc.rights |
Copyright: 2000 American Chemical Society |
en_US |
dc.source |
|
en_US |
dc.subject |
Ochratoxin A |
en_US |
dc.subject |
Bromo-ochratoxin B |
en_US |
dc.subject |
Aspergillus ochraceus with |
en_US |
dc.subject |
Solid-phase extraction |
en_US |
dc.subject |
(4R)-hydroxy ochratoxin |
en_US |
dc.title |
Influence of halogen salts on the production of the ochratoxins by aspergillus ochraceus wilh |
en_US |
dc.type |
Article |
en_US |
dc.identifier.apacitation |
Stander, M., Steyn, P., Lubben, A., Miljkovic, A., Mantle, P., & Marais, G. (2000). Influence of halogen salts on the production of the ochratoxins by aspergillus ochraceus wilh. http://hdl.handle.net/10204/1896 |
en_ZA |
dc.identifier.chicagocitation |
Stander, MA, PS Steyn, A Lubben, A Miljkovic, PG Mantle, and GJ Marais "Influence of halogen salts on the production of the ochratoxins by aspergillus ochraceus wilh." (2000) http://hdl.handle.net/10204/1896 |
en_ZA |
dc.identifier.vancouvercitation |
Stander M, Steyn P, Lubben A, Miljkovic A, Mantle P, Marais G. Influence of halogen salts on the production of the ochratoxins by aspergillus ochraceus wilh. 2000; http://hdl.handle.net/10204/1896. |
en_ZA |
dc.identifier.ris |
TY - Article
AU - Stander, MA
AU - Steyn, PS
AU - Lubben, A
AU - Miljkovic, A
AU - Mantle, PG
AU - Marais, GJ
AB - The first report of the biological production of bromo ochratoxin B, by Aspergillus ochraceus Wilh. is presented as well as a study of the influence of potassium bromide, potassium iodide, potassium fluoride, and potassium chloride on the production of ochratoxin A and ochratoxin B. Potassium fluoride and potassium iodide inhibited the growth of the fungus, whereas potassium chloride substantially stimulated the production of ochratoxin A in shaken solid substrate fermentation on whole wheat or shredded wheat, generally giving a high yield of ochratoxins. Increasing levels of potassium bromide led to a decline in ochratoxin a production and an increase in bromo-ochratoxin B, ochratoxin B, and 4-hydroxy ochratoxin B. Nevertheless, A. ochraceus was much less versatile in the bromo analogues than other fungi, which produce metabolites containing chlorine. Analysis included aminopropyl solid-phase extraction column cleanup followed by quantitative analysis on reversed-phase HPLC using fluorescence detection and employing N-(5-chloro-2 -hydroxybenzoyl)-phenylalanine as an internal standard.
DA - 2000-05
DB - ResearchSpace
DP - CSIR
KW - Ochratoxin A
KW - Bromo-ochratoxin B
KW - Aspergillus ochraceus with
KW - Solid-phase extraction
KW - (4R)-hydroxy ochratoxin
LK - https://researchspace.csir.co.za
PY - 2000
SM - 0021-8561
T1 - Influence of halogen salts on the production of the ochratoxins by aspergillus ochraceus wilh
TI - Influence of halogen salts on the production of the ochratoxins by aspergillus ochraceus wilh
UR - http://hdl.handle.net/10204/1896
ER -
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en_ZA |