| trimethylamine oxide, dimethylamine, trimethylamine and formaldehyde levels in main traded fish species in hong kong. | levels of trimethylamine oxide (tmao), dimethylamine (dma), trimethylamine (tma) and formaldehyde (fa) were studied in 266 different fishes, including fresh/frozen raw whole fishes of 89 different species that traded in hong kong, china. determination of tmao can confirm the source of dma and fa if present in the sample. these samples were purchased from different commercial outlets between april and august 2007. all samples of raw whole fish were identified for their species by the agriculture, ... | 2009 | 24784966 |