title: Concentrations of organotin compounds in the stranded killer whales from Rausu, Hokkaido, Japan.
abstract: We measured the concentrations of butyltin (BT) and phenyltin (PT) compounds in blubber, liver, lung, and muscle of seven stranded killer whales (Orcinus orca) collected from Rausu, Hokkaido, Japan. BTs in blubber (n = 6), liver (n = 4), lung (n = 1), and muscle (n = 4) of adult whale were in the range of 37-90, 385-676, 15, and 26-53 microg kg(-1) wet weight, respectively. Concentrations of PTs in blubber, liver, lung, and muscle were <1 to 58, <1 to 14, 7 and <1 to 4 microg kg(-1) wet weight, respectively. Detected frequencies of PTs were low in all tissues. Higher percentages of monobutyltin (MBT) in blubber, lung, and muscle were observed, while the percentage of dibutyltin (DBT) was high in liver. Detected frequencies of triphenyltin (TPT) were highest among tissues. Total BT concentrations in blubber and liver of a whale calf were lower than those in adult whales. MBT and DBT in the liver of the calf were the same (42%). MBT in blubber was the dominant compound among BTs.
authors.affiliation: Osaka City Institute of Public Health and Environmental Sciences, Tohjo-cho, 8-34, Tennoji-ku, Osaka, 543-0026, Japan. dpbpw003@kawachi.zaq.ne.jp
authors.forename: Hiroya
authors.initials: H
authors.lastname: Harino
authors.forename: Madoka
authors.initials: M
authors.lastname: Ohji
authors.forename: Robert L
authors.initials: RL
authors.lastname: Brownell
authors.forename: Takaomi
authors.initials: T
authors.lastname: Arai
authors.forename: Nobuyuki
authors.initials: N
authors.lastname: Miyazaki
mesh_terms: D000273:Adipose Tissue / Q000378:metabolism; D000818:Animals; D004784:Environmental Monitoring; D005260:Female; D007564:Japan; D008099:Liver / Q000378:metabolism; D008168:Lung / Q000378:metabolism; D008297:Male; D009132:Muscles / Q000378:metabolism; D009947:Organotin Compounds / Q000378:metabolism*; D014874:Water Pollutants, Chemical / Q000378:metabolism*; D050685:Whale, Killer / Q000378:metabolism*
chemical_list: D009947:Organotin Compounds; D014874:Water Pollutants, Chemical