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改进的荧光碘法测定玉米中的黄曲霉毒素

Improved fluorometric-iodine method for determination of aflatoxin in corn.

作者信息

Davis N D, Guy M L, Diener U L

出版信息

J Assoc Off Anal Chem. 1981 Sep;64(5):1974-6.

PMID:6793552
Abstract

Several innovations in the fluorometric-iodine (FL-I) method for determining aflatoxin in corn made the procedure faster and more convenient than the original method. Ground corn was packed into a chromatographic column and the aflatoxins were extracted with methylene chloride. Sep-Pak C18 cartridges were used for sample cleanup. A 5 min thin layer chromatographic slide analysis confirmed the presence of aflatoxin, which was quantitated by fluorometric determinations of the iodine derivative of aflatoxin B1.

摘要

用于测定玉米中黄曲霉毒素的荧光碘(FL-I)法的多项创新使该方法比原始方法更快、更便捷。将磨碎的玉米装入色谱柱,用二氯甲烷提取黄曲霉毒素。使用Sep-Pak C18柱进行样品净化。通过5分钟的薄层色谱玻片分析确认黄曲霉毒素的存在,然后通过对黄曲霉毒素B1碘衍生物的荧光测定进行定量。

相似文献

1
Improved fluorometric-iodine method for determination of aflatoxin in corn.改进的荧光碘法测定玉米中的黄曲霉毒素
J Assoc Off Anal Chem. 1981 Sep;64(5):1974-6.
2
Laser fluorometric determination of aflatoxin B1 in corn.玉米中黄曲霉毒素B1的激光荧光测定法
J Assoc Off Anal Chem. 1979 May;62(3):564-9.
3
A quantitative method for determination of aflatoxin B in roasted corn.一种测定烤玉米中黄曲霉毒素B的定量方法。
J Assoc Off Anal Chem. 1975 Jul;58(4):743-5.
4
High pressure liquid chromatographic determination of aflatoxins in corn.玉米中黄曲霉毒素的高压液相色谱测定法
J Assoc Off Anal Chem. 1979 May;62(3):586-94.
5
Modification of the rapid screening method for aflatoxin in corn for quantitative use.玉米中黄曲霉毒素快速筛选方法的改进以用于定量分析。
J Assoc Off Anal Chem. 1985 May-Jun;68(3):453-6.
6
High pressure liquid chromatographic determination and fluorescence detection of aflatoxins in corn and dairy feeds.玉米和乳制品饲料中黄曲霉毒素的高压液相色谱测定及荧光检测
J Assoc Off Anal Chem. 1981 Nov;64(6):1372-6.
7
This layer chromatographic determination of aflatoxin B1 in corn silage.玉米青贮饲料中黄曲霉毒素B1的薄层色谱测定法。
J Assoc Off Anal Chem. 1978 Nov;61(6):1363-5.
8
Rapid quantitation and confirmation of aflatoxins in corn and peanut butter, using a disposable silica gel column, thin layer chromatography, and gas chromatography/mass spectrometry.使用一次性硅胶柱、薄层色谱法以及气相色谱/质谱联用技术对玉米和花生酱中的黄曲霉毒素进行快速定量和确证。
J Assoc Off Anal Chem. 1984 Sep-Oct;67(5):973-5.
9
Rapid thin layer chromatographic method for determining aflatoxin B1, ochratoxin A, and zearalenone in corn.用于测定玉米中黄曲霉毒素B1、赭曲霉毒素A和玉米赤霉烯酮的快速薄层色谱法。
J Assoc Off Anal Chem. 1978 May;61(3):584-5.
10
Extraction, cleanup, and quantitative determination of aflatoxins in corn.玉米中黄曲霉毒素的提取、净化及定量测定
J Assoc Off Anal Chem. 1980 May;63(3):631-3.

引用本文的文献

1
Analytical methods for aflatoxins in corn and peanuts.玉米和花生中黄曲霉毒素的分析方法。
Arch Environ Contam Toxicol. 1989 May-Jun;18(3):308-14. doi: 10.1007/BF01062353.