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韓国の特別管理海域におけるパーフルオロアルキル物質(PFASs)。食用魚類における分布と生物濃縮度
Perfluoroalkyl substances (PFASs) in special management sea areas of Korea: Distribution and bioconcentration in edible fish species.
PMID: 32510380 DOI: 10.1016/j.marpolbul.2020.111236.
抄録
2018年7月に光陽湾,馬山湾,釜山港を含む韓国の3つの特別管理海域から採取した水中(n=58)、堆積物(n=58)及び食用魚類(n=81)に含まれる13種類のPFASを調査した。水中の平均PFASs濃度(ng/L)は、馬山(5.09)>釜山(2.82)>光陽(1.74)の順であった。堆積物中のPFASs濃度が低いことがわかった。各魚類組織におけるPFASs濃度の最大値は、釜山では筋肉用のコハダで3.04(ng/g ww)、馬山では血液用のコハダで66.23(ng/mL)、釜山湾ではヒラメで125.03(ng/g ww)であった。PFDoDAのBCF(L/kg)は、30,922(光陽のボラ)から69,131(釜山のボラ)までの値を示し、全種の筋肉の中で最も高い値を示した。PFDSはBCFのPFASの中で最も高い値(110,599L/kg)を示し、釜山湾のコバンザメの筋肉に見られた。
Thirteen PFASs in water (n = 58), sediment (n = 58) and edible fish samples (n = 81) collected from three special management sea areas of Korea including Gwangyang bay, Masan bay and Busan harbor in July 2018 were investigated. The mean PFASs concentration in water (ng/L) were in order Masan (5.09) > Busan (2.82) > Gwangyang (1.74). PFASs levels were found as the low concentration in sediment. The greatest total PFASs concentration in each fish tissue was found as 3.04 (ng/g ww) in a Japanese amberjack fish for muscle in Busan, 66.23 (ng/mL) in Japanese amberjack fish for blood in Masan and 125.03 (ng/g ww) flathead grey mullet in Busan bay. The BCF (L/kg) of PFDoDA was found as the highest in muscle of all species with values from 30,922 (grey mullet in Gwangyang) to 69,131 (grey mullet in Busan). PFDS was the highest BCF's PFASs (110,599 L/kg) in muscle which was found in Japanese amberjack in Busan bay.
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