下水汚泥または畜産廃棄物から製造したコンポスト中に含まれるエストロゲン及びアンドロゲンの残留と内分泌攪乱性評価

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書誌事項

タイトル別名
  • The Assessment of the Estrogen and Androgen in the Compost Produced from the Sewage Sludge and Solid Waste of Livestock
  • ゲスイ オデイ マタワ チクサン ハイキブツ カラ セイゾウ シタ コンポスト チュウ ニ フクマレル エストロゲン オヨビ アンドロゲン ノ ザンリュウ ト ナイブンピ カクランセイ ヒョウカ

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The estrogen and androgen in the compost produced from sewage sludge and solid waste of livestock were investigated in twenty-six kinds of composts which were sold on the open market.<BR>Estrone (E1) was detected in all kinds of composts. 17β-estradiol (E2) was detected in twenty-one kinds of composts, and estriol (E3) was detected in one kind of compost. Ethynylestradiol (EE2) was not detected in any compost. Testosterone was detected in twelve kinds of the fifteen kinds of compost analyzed. The quantities of estrogen and androgen in the composts are as follows, El: 30580 ng/g; E2: Less than the minimum limit of detection (N.D.) -23 ng/g; E3: N.D-4 ng/g; EE2: N.D. and testosterone: N.D.-2, 100 ng/g.<BR>Estrogenic and androgenic activities were investigated for twenty-one kinds of composts using a yeast two-hybrid assay. Estrogenic activities were confirmed with thirteen kinds of composts and androgenic activities were confirmed with two kinds of composts. The estrogenic and androgenic activities measured by using human estrogen receptor a (hERa), medaka fish estrogen receptor a (medERa) and human androgen receptor (hAR) are as follows, hERa: 14-168 pM E2 equivalency quantity (EEq) /compost (g) ; medERa: 91-581 pM EEq/compost (g) and hAR: 5-7 pM 5 a-dihydrotestosterone equivalent quantity (AEq) /compost (g) . This paper shows that sex hormones were detected in most compost produced from the sewage sludge and solid waste of livestock. Moreover, estrogenic activities were confirmed with over half of these composts.

収録刊行物

  • 環境化学

    環境化学 16 (4), 615-626, 2006

    一般社団法人 日本環境化学会

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