Marine Sponge: A Potential Source for Methoxylated Polybrominated Diphenyl Ethers in the Asia-Pacific Food Web
作者:Koichi Haraguchi、Yoshihisa Kato、Chiho Ohta、Nobuyuki Koga、Tetsuya Endo
DOI:10.1021/jf203458r
日期:2011.12.28
Marine sponges collected in Palau, Micronesia, were investigated for hydroxylated or methoxylated analogues of brominated diphenyl ethers (BDEs), brominated dibenzo-p-dioxin (BDD), and brominated biphenyls. The neutral fractions of Haliclona sp. and Callyspongia sp. contained 2′-methoxy-2,3′,4,5′-tetraBDE, 6-methoxy-2,2′,4,4′-tetraBDE, 2′,6-dimethoxy-2,3′,4,5-tetraBDE 2,2′-dimethoxy-3,3′,5,5′-tetrabromobiphenyl
在帕劳,密收集海绵,进行了调查溴化二苯醚(二苯醚),溴化二苯并的羟基化或甲氧基化的类似物p二氧杂环己烯(BDD),和溴联苯。Haliclona sp。的中性部分。和Callyspongia sp。包含2'-甲氧基-2,3',4,5'-tetraBDE,6-甲氧基-2,2',4,4'-tetraBDE,2',6-二甲氧基-2,3',4,5-四溴联苯醚2,2'-二甲氧基-3,3',5,5'-四溴代联苯,几种甲氧基-三溴联苯醚和二甲氧基-戊基/六溴二苯醚。海绵中甲氧基化的溴化二苯醚与生活在西太平洋的当地鱼类的溴化二苯醚极为相似。两种海绵中这些化合物(ΣMeO-PBDE)的总浓度为Haliclona为63.5μg / g可提取有机物(EOM)。sp。和对Callyspongia的EOM为36.5μg / gsp。,比冲绳沿海水域的热带珊瑚鱼(独角鱼或刺尾鱼)(280-290 ng / g脂类)和石斑鱼(550