いくつかのハーブティーにおけるマイクロプラスチック汚染とヒトに対するリスク評価: Türkiye
Ahmet Gökkaya1, Şule Güzel İzmi̇rli̇1
1Department of Biology, Faculty of Arts and Sciences, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye.
まとめ
包装されたハーブティーにはマイクロプラスチック (MP) が多くあり,すべてのブランドが汚染されている. リンデンの紅茶とブランドAは MP濃度が最も高く,健康に重大な危険性があります.
科学分野:
- 環境科学
- 食品科学
- 毒理学について
背景:
- プラスチックの汚染は 世界的な環境問題です
- マイクロプラスチックは 食品や飲料に多く含まれています
- 包装されたハーブティは MPの潜在的感染源である.
研究 の 目的:
- 包装されたハーブティーにおけるマイクロプラスチック汚染の発生率と特性を調査する.
- トルコの5つのブランドの4種類のハーブティーに含まれる MP汚染を分析する.
- 植物茶のポリマー汚染因数 (MPCF) とポリマー危険指数 (PHI) を評価する.
主な方法:
- トルコの5つのブランド (A,B,C,D,E) の20個のハーブティーサンプルを分析した.
- 顕微鏡を用いたマイクロプラスチック繊維の識別と定量化
- マイクロプラスチックポリマー (EVA,PET,PAN) の化学特性
- マイクロプラスチックのサイズ測定とMPCFとPHIの計算
主要な成果:
- 全てのハーブティーサンプルで 微小プラスチック繊維が検出されました
- ブランド"A"と"リンドー茶"は 微小プラスチック粒子の数が最も多かったのです
- マイクロプラスチックは35.67〜604.87μmの大きさでした.
- ハーブティーには,MPCFによる非常に高いレベルのMP汚染が示されました.
- 平均PHI値は,ポリマーに関連する重大な危険性を示した.
結論:
- 包装されたハーブティーには 微小プラスチックが多く含まれています
- MPの化学成分には,EVA,PET,PANが含まれています.
- 消費者は特に女性で 植物茶の消費で 微小プラスチックが増加しています
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