Read e-book online Chromatography of Mycotoxins: Techniques and Applications PDF

By Vladimir Betina

ISBN-10: 044481521X

ISBN-13: 9780444815217

This paintings includes components, half A: concepts and half B: functions. partly A an important ideas of pattern coaching, extraction, clean-up, and of proven and potential chromatographic thoughts are mentioned relating to mycotoxins. partly B an important info, scattered within the literature, on thin-layer, liquid, and gasoline chromatography of mycotoxins were compiled. Mycotoxins are ordinarily prepared based on households, reminiscent of aflatoxins, trichothecenes, lactones and so forth. Chromatography of person vital mycotoxins and multi-mycotoxin chromatographic analyses also are incorporated. functions are offered in 3 chapters dedicated to thin-layer, liquid, and gasoline chromatography of mycotoxins.

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Vladimir Betina's Chromatography of Mycotoxins: Techniques and Applications PDF

This paintings includes components, half A: innovations and half B: purposes. partly A crucial rules of pattern guidance, extraction, clean-up, and of confirmed and potential chromatographic innovations are mentioned relating to mycotoxins. partially B an important information, scattered within the literature, on thin-layer, liquid, and fuel chromatography of mycotoxins were compiled.

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Extra resources for Chromatography of Mycotoxins: Techniques and Applications

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The aflatoxins appear as a tight band at the top of the Florisil 46 layer, where they can be detected under UV light. By comparison of a sample column with a reference column containing a known amount of aflatoxin, it is possible to determine whether the sample column contains more or less aflatoxin than the standard column. of Romer was subjected to a The mini-column method collaborative study (36) and approved by the AOAC (44) as an official method for the detection of aflatoxins in the listed commodities (mixed feeds, corn, almonds, peanuts, peanut butter, pistachio nuts, cottonseed).

Mini-column screening methods (32-43) include the following steps: extraction, purification of the extracts, concentration, and development on a mini-column for detection under UV light. These methods are rapid, simple, and require only little expertise and no sophisticated equipment. The mini-column methods are particularly useful for field analysis. The methods have limitations as well. 45 They are semi-quantitative, having a higher detection limit and less separation power, selectivity, and sensitivity than is obta ned by using HPLC.

8 N. D. Coker, K. I. Tomlins, Chromatographia, 29 (1990) 435. N. L. F. Kwolek, J. Assoc Off. Anal. , 66(3) (1983) 582. 10 N. E. W. Trinder, J. Assoc Off. Anal. , 68(1) (1985) 136. 1 1 D. Boyacioglu and M. Gonul, J. Assoc Off. Anal. , 71(2) (1988) 280. M. Scott, J. Assoc Off. Anal. , 52(1) (1969) 72. B. A. C. Ayres, J. Assoc Off. Anal. , 52(3) (1969) 638. C. N. B. Gibson and A . Nondastu, Food Cosmet. , 10 (1972) 61. 15 J. Karnelic, M. Israel, S. Benado and C. Leon, J. Assoc Off. Anal. , 56(1) (1973) 1452.

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Chromatography of Mycotoxins: Techniques and Applications by Vladimir Betina


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