Arsenic compounds in terrestrial organisms II : Arsenocholine in the mushroom Amanita muscaria
作者： Doris Kuehnelt , Walter Goessler , Kurt J. Irgolic
DOI: 10.1002/(SICI)1099-0739(199706)11:6<459::AID-AOC583>3.0.CO;2-O
关键词: Arsenic 、 Chemistry 、 Arsenobetaine 、 Amanita 、 Ion chromatography 、 Amanita muscaria 、 Bromide 、 Arsenite 、 Chromatography 、 Arsenate
摘要: Arsenic compounds were identified and quantified in the mushroom Amanita muscaria, collected close to a facility that had roasted arsenic ores. The powdered dried mushrooms extracted with methanol/water (9:1), extracts concentrated concentrates dissolved water. resulting solutions chromatographed on anion-exchange, cation-exchange reversed- phase columns. was detected on-line an ICP–MS detector equipped hydraulic high-pressure nebulizer. Arsenite, arsenate, dimethylarsinic acid tetramethylarsonium cation minor (∼2% each of total 22 mg kg−1 dry mass), arsenobetaine, arsenocholine (∼15% each) several unidentified (∼60%) major muscaria. presence (detected for first time terrestrial sample) ascertained by matching retention times cation- exchange reversed-phase chromatograms synthetic bromide chromatographing spiked bromide. © 1997 John Wiley & Sons, Ltd.
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