เคมี
เอกสารมาตรฐาน
สหรัฐอเมริกา
AOAC
2008.02
Aflatoxins B1, B2, G1, and G2 and Ochratoxin A in Ginseng and Ginger: Multitoxin Immunoaxinity Column Cleanup and Liquid Chromatographic Quantitation
2013 (2023)
11
AOAC 2023 Ch. 49.2.32
A test portion is extracted with methanol and 0.5% aqueous sodium bicarbonate solution (700 + 300, v/v). The extract is centrifuged, diluted with phosphate buffer (PB; 0.1 M, pH 7.4) containing 1% Tween 20, filtered, and applied to an immunoaffinity column containing antibodies specific for AF and OTA ...