Search results: 2,628 results (approx.)

1. Effect of nutrition on body composition and subsequent storage quality of farm-raised channel catfish.

Author(s) : Gatlin, D. M.

Publisher : Southern Regional Aquaculture Center (SRAC),

Miscellaneous : SRAC Publications 2001 pp.24 pp.

2. Comparison of extraction buffers for the detection of fumonisin B1 in corn by immunoassay and high-performance liquid chromatography.

A sensitive competitive ELISA using a rabbit polyclonal antibody was developed for the detection of fumonisin B1 (FB1) contamination. This assay was used in a comparative study measuring the extraction efficiency of FB1 in aqueous or organic solvent buffers using 16 field corn [maize] samples. An...

Author(s) : Kulisek, E. S.; Hazebroek, J. P.

Journal article : Journal of Agricultural and Food Chemistry 2000 Vol.48 No.1 pp.65-69 ref.36

3. Toxinogenic fungi: ecology and prevention of their mycotoxin production. A review.

The incidence and ecology of toxinogenic fungi are discussed, including mycotoxins produced by Fusarium sp., Aspergillus, Penicillium and Alternaria. Strategies for control of mycotoxin contamination of food, including pre- and post-harvest processing, the development of aflatoxin-resistant plants, ...

Author(s) : Fulgueira, C. L.; Borghi, A. L.

Publisher : Universidad de Valparaiso, Facultad de Medicina, Valparaiso, Chile

Journal article : Boletín Micológico 2000 Vol.15 pp.1-15 ref.153

4. The chemical detoxification of aflatoxin-contaminated animal feed.

The control of aflatoxins in feeds by means of chemical detoxification procedures, mainly ammoniation, is discussed.

Author(s) : Coker, R. D.

Publisher : Sheffield Academic Press, Sheffield, UK

Book chapter : Natural toxicants in food. 1998 pp.284-298 ref.33

6. Mycotoxin hazards: more accurate quantification in the field.

Methods, equipment and new technology available for testing and screening for the presence of mycotoxins in crops in the field are discussed.

Author(s) : Mabbett, T.

Journal article : Feed International 1998 Vol.19 No.9 pp.39-42

8. Transient infrared spectroscopy for detection of toxigenic fungi in corn: potential for on-line evaluation.

The potential of transient infrared spectroscopy (TIRS) for on-line, noncontact detection of A. flavus contamination in a moving bed of corn [maize] kernels was investigated. Early test results based on visual inspection of TIRS spectral differences predicted an 85% or 95% success rate in...

Author(s) : Gordon, S. H.; Jones, R. W.; McClelland, J. F.; Wicklow, D. T.; Greene, R. V.

Journal article : Journal of Agricultural and Food Chemistry 1999 Vol.47 No.12 pp.5267-5272 ref.30

9. An HPTLC method for the quantitative determination of T-2 toxin and deoxynivalenol in rice.

A gas chromatographic procedure for the quantitative estimation of T-2 toxin, which utilises a florisil SPE clean-up procedure, was adapted for the quantitative analysis of both T-2 toxin and deoxynivalenol [vomitoxin] (DON), but using an high performance thin layer chromatographic quantification...

Author(s) : Dawlatana, M.; Coker, R. D.; Nagler, M. J.; Gibbs, J.; Blunden, G.

Journal article : Chromatographia 1999 Vol.49 No.9-10 pp.547-551 ref.13

10. Predicting scab, vomitoxin, and ergosterol in single wheat kernels using near-infrared spectroscopy.

Near-infrared spectroscopy (NIRS) was used to detect scab damage and estimate vomitoxin (DON) and ergosterol levels in single wheat kernels. All scab-damaged kernels identified by official inspectors were correctly identified by NIRS. In addition, this system identified more kernels with DON than...

Author(s) : Dowell, F. E.; Ram, M. S.; Seitz, L. M.

Journal article : Cereal Chemistry 1999 Vol.76 No.4 pp.573-576 ref.31

11. Rapid determination of fumonisin FB1 in corn products by high-performance liquid chromatography-electrospray mass spectrometry.

For the quantitative determination of fumonisin FB1 in maize products, a rapid method without any additional clean-up or purification of sample extract was developed using high-performance liquid chromatography-electrospray mass spectrometry. Using labelled fumonisin FB1-D6 as an internal standard...

Author(s) : Hartl, M.; Herderich, M.; Humpf, H. U.

Journal article : European Food Research and Technology 1999 Vol.209 No.5 pp.348-351 ref.30

12. The influence of hay-packing techniques on the presence of Saccharopolyspora rectivirgula.

Environmental factors influencing the growth, distribution and viability of thermophilic actinomycetes, especially S. rectivirgula, an agent of extrinsic allergic alveolitis in farm workers, were studied. Total microbial count, eumycetes and thermophilic actinomycetes were determined on 96 hay...

Author(s) : Ranalli, G.; Grazia, L.; Roggeri, A.

Journal article : Journal of Applied Microbiology 1999 Vol.87 No.3 pp.359-365 ref.27

13. Trends in stored-product protection - the German perspective.

The term `stored-product protection' is explained and information is presented on what it comprises. Stored-product protection in Germany is described, where a clear distinction is made between insects which appear as pests in the food and feed chain when the products have already been sold in the...

Author(s) : Reichmuth, C. O.

Journal article : Phytoparasitica 1999 Vol.27 No.1 pp.3-7 ref.7

14. Observations on problems associated with microbial contamination of pelleted compound feeds in open and closed storage conditions.

An overview is given of the storage of pelleted compound feeds (PCF), with particular reference to the prevention of microbial contamination. The following are considered: general characteristics of PCF; moisture content and water activity; damage caused to PCF during handling and transport; growth ...

Foreign Title :Betrachtung der Problematik von mikrobiellen Kontaminationen bei offen und geschlossen gelagertem pelletierten Mischfutter.

Author(s) : Skriegan, E.; Oster, A.

Journal article : Mühle + Mischfuttertechnik 1999 Vol.135 No.26 pp.858-875 ref.7

15. Protection and improvement of the hygiene-status in feed production plants by means of organic acids.

As a preventive measure against spoilage while stored, compound feed is often preserved by means of organic acids at low rates (e.g. 0.3%). For safer protection against re-infection and more effective decontamination, application of relatively high acid concentration during compound feed production ...

Foreign Title :Sicherung und Verbesserung des Hygiene-Status in Mischfutterwerken durch Einsatz von organischen Säuren.

Author(s) : Löwe, R.

Journal article : Mühle + Mischfuttertechnik 1999 Vol.136 No.11 pp.321-325 ref.2

16. Environmental factors and nutritional utilization patterns affect niche overlap indices between Aspergillus ochraceus and other spoilage fungi.

The total number and the type of C source utilized in common by an ochratoxin producing strain of A. ochraceus and 6 other spoilage fungi varied with the range used (95, Biolog GN plates or 18 major C sources found in maize). The niche size and niche overlap index (NOI) were markedly influenced by...

Author(s) : Lee, H. B.; Magan, N.

Journal article : Letters in Applied Microbiology 1999 Vol.28 No.4 pp.300-304 ref.14

17. Relation between ochratoxin A content in cereal grain and mixed meals determined by the ELISA and HPLC methods and attempt to evaluate their usability for monitoring studies.

Cereal grain and mixed meal samples were collected for analyses from farms in Olsztyn and Elblag, Poland, during 2 periods: from harvest to the end of 1996 and from June to August 1997. The content of mould, toxinogenic fungi and ochratoxin A (OA) was determined by ELISA and HPLC. In the 1st...

Author(s) : Jarczyk, A.; Jędrychowski, L.; Wróblewska, B.; Jędryczko, R.

Journal article : Polish Journal of Food and Nutrition Sciences 1999 Vol.8 No.1 pp.53-64 ref.21

18. Survey of ochratoxin A in grain traded by central depots 1997-1998.

A MAFF Joint Food Safety and Standards Group survey of ochratoxin A (OA) in UK grain traded by central depots was completed. The concentration of OA was determined in 300 samples of farm-stored wheat, barley and oats sampled during the harvest of 1997 and the following harvest of 1998. The limit of ...

Miscellaneous : Food Surveillance Information Sheet 1999 No.No. 171 pp.10 pp. ref.9

19. Fate of fumonisin B1 in corn kernel steeping water containing SO2.

Six 100 p.p.m. fumonisin B1 (FB1) solutions were prepared by dissolving pure standard in 6 different solvents containing SO2. Two of the solvents contained 0.2 or 0.4% SO2 in distilled water. The other 4 solvents were obtained by steeping corn [maize] kernels at 60°C in a 0.2% SO2 aqueous solution...

Author(s) : Pujol, R.; Torres, M.; Sanchis, V.; Canela, R.

Journal article : Journal of Agricultural and Food Chemistry 1999 Vol.47 No.1 pp.276-278 ref.19

20. Linking extraction and purification of maize samples for fumonisin analysis.

An HPLC method is described that integrates extraction and purification of maize samples for fumonisin analysis in one step. The efficiency of this method was compared with other methods and showed similar results for naturally contaminated maize. It is concluded that the proposed method can be...

Author(s) : Velázquez, C.; Llovera, M.; Peña, E.; Sala, N.; Canela, R.

Journal article : Food Additives and Contaminants 1999 Vol.16 No.3 pp.125-128 ref.25

21. Optimization and validation of a minicolumn method for determining aflatoxins in copra meal.

A minicolumn (MC) method for determining aflatoxins in copra meal was optimized and validated. The method uses methanol-4% KCl solution as extractant and CuSO4 solution as clarifying agent. The chloroform extract is applied to an MC that incorporates "lahar", an indigenous adsorbent material, as...

Author(s) : Arim, R. H.; Aguinaldo, A. R.; Tanaka, T.; Yoshizawa, T.

Journal article : Journal of AOAC International 1999 Vol.82 No.4 pp.877-882 ref.22

22. Performance of sampling plans to determine aflatoxin in farmers' stock peanut lots by measuring aflatoxin in high-risk-grade components.

Five 2 kg test samples were taken from each of 120 US farmers' stock peanut [groundnut] lots contaminated with aflatoxin. Kernels from each 2 kg sample were divided into the following USDA grade components: sound mature kernels plus sound splits (SMKSS), other kernels (OK), loose shelled kernels...

Author(s) : Whitaker, T. B.; Hagler, W. M., Jr.; Giesbrecht, F. G.

Journal article : Journal of AOAC International 1999 Vol.82 No.2 pp.264-270 ref.20

23. A brief survey on important mycotoxins and possible detoxification methods.

The problem of contamination of poultry feeds with mycotoxins is discussed, including detection and analysis, and methods for decontamination of feeds. Aflatoxins, ochratoxins, fumonisins and other Fusarium toxins are considered.

Author(s) : Höhler, D.

Journal article : World Poultry 1999 Vol.15 No.11 pp.13-15

24. Evaluation and application of a simple and rapid method for the analysis of aflatoxins in commercial foods from Malaysia and the Philippines.

For application to the analysis of aflatoxins (AF) in commercial peanut [groundnut] and corn [maize] products, the ISOLUTE multimode column (IMC, solid phase multifunctional column) method was validated by comparing with the modified Florisil column (MFC) method. 22 groundnut and 8 maize products...

Author(s) : Ali, N.; Hashim, N. H.; Yoshizawa, T.

Journal article : Food Additives and Contaminants 1999 Vol.16 No.7 pp.273-280 ref.13

25. Surveillance of stored grain from the 1997 harvest in the United Kingdom for ochratoxin A.

This survey examined 306 samples of farm-stored wheat, barley and oats as received at, or tested by, central grain depots in the UK, in 1997. Samples were taken from lorries or from stored grain using the existing in-house procedures used for quality checking and examined for ochratoxin A using a...

Author(s) : Scudamore, K. A.; Patel, S.; Breeze, V.

Journal article : Food Additives and Contaminants 1999 Vol.16 No.7 pp.281-290 ref.19