Arsenic Transformations in Short Marine Food Chains studied by HPLC-ICP MS

✍ Scribed by J. S. Edmonds; Y. Shibata; K. A. Francesconi; R. J. Rippingale; M. Morita

• Publisher: John Wiley and Sons
• Year: 1997
• Tongue: English
• Weight: 65 KB
• Volume: 11
• Category: Article
• ISSN: 0268-2605
• DOI: 10.1002/(sici)1099-0739(199704)11:4<281::aid-aoc581>3.0.co;2-s

✦ Synopsis

The chemical forms of arsenic in some herbivorous or mainly herbivorous marine animals and, in some cases, the algae on which they feed were determined by HPLC-ICP MS. In most cases arsenobetaine was present in the animals as well as arsenosugars consumed directly from the algae. However in the case of copepods Gladioferens imparipes fed only on the diatom Chaetoceros concavicornis which had been grown in axenic culture, arsenobetaine was absent. Arsenobetaine was also absent from the muscle of the silver drummer Kyphosus sydneyanus, although trimethylarsine oxide was present. This is the first reported case of the absence of arsenobetaine in a marine teleost fish and may be related to its fermentative faculty for digesting the macroalgae that it consumes.