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頁籤選單縮合
題 名 | Dietary Intake of PCDD/Fs and Dioxin-Like PCBs from Fresh Foods around Taiwan=臺灣地區多氯戴奧辛/呋喃和擬似戴奧辛多氯聯苯之飲食攝取量調查 |
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作 者 | 張榮偉; 廖寶琦; 李俊璋; | 書刊名 | Journal of Food and Drug Analysis |
卷 期 | 20:4 2012.12[民101.12] |
頁 次 | 頁805-813 |
分類號 | 412.37 |
關鍵詞 | 背景濃度; 多氯戴奧辛/呋喃; 擬似戴奧辛多氯聯苯; 食物; 每日攝取量; Background levels; PCDD/Fs; Dioxin-like PCBs; Foods; Daily intake; |
語 文 | 英文(English) |
中文摘要 | 本計畫之研究目的主要為建立臺灣地區各類型食物中多氯戴奧辛/呋喃(PCDD/Fs)和擬似戴奧辛多氯聯苯(dl-PCBs)背景濃度值。若以每克脂質計算多氯戴奧辛/呋喃濃度,在1,029件食物樣本中,濃度最高者為鴨蛋(1.956 pg WHO-TEQ/g fat),其次是牛肉(1.263 pg WHO-TEQ/g fat)和蛋類製品(1.067 pg WHO-TEQ/g fat),而最低則為葡萄籽油(0.068 pg WHO-TEQ/g fat)。食物中擬似戴奧辛多氯聯苯濃度最高者為牛肉(0.782 pg WHO-TEQ/g fat),其次是鴨蛋(0.632 pg WHO-TEQ/g fat)和羊肉(0.506 pg WHO-TEQ/g fat),最低則為花生油(0.011 pg WHO-TEQ/g fat)。而年齡介於6至12歲的男孩和女孩終生平均日暴露劑量分別為0.70和0.62pg WHO-TEQ(下標 PCDD/Fs+dl-PCBs)/kg bw/day;13至18歲男性和女性青少年分別為0.34和0.30 pg WHO-TEQ(下標 PCDD/Fs+dl-PCBs)/kg bw/day;19至64歲男性和女性成人分別為0.33和0.31 pg WHO-TEQ(下標PCDD/Fs+dl-PCBs)/kg bw/day;65歲以上的男性和女性年長者分別為0.42和0.37 pg WHO-TEQ(下標 PCDD/Fs+dl-PCBs)/kg bw/day。依各類食物中多氯戴奧辛/呋喃/擬似戴奧辛多氯聯苯含量對人體貢獻之百分比來看,最大貢獻來源主要為肉類、魚類和魚貝類加工製品,尤其是成人(男性:51.6%;女性:47.5%)和年長者(男性:64.8%;女性:61.8%)。在臺灣空品區和肉類食品中多氯戴奧辛/呋喃濃度分布上發現,竹苗地區牛肉和羊肉之多氯戴奧辛/呋喃濃度最高,而基北桃地區多氯戴奧辛/呋喃濃度最高則為羊肉、鴨肉和鵝肉。臺灣各空品區中牛肉、羊肉和鵝肉之多氯戴奧辛/呋喃和擬似戴奧辛多氯聯苯濃度分布相當一致。本研究亦發現於2004至2008年間,牛乳中戴奧辛的平均濃度隨著臺灣地區戴奧辛排放總量同步下降。結論,一般而言,除了偶發性牛肉或羊肉之多氯戴奧辛/呋喃污染事件外,臺灣食物中多氯戴奧辛/呋喃和擬似戴奧辛多氯聯苯對人體健康所產生的危害並不高,本研究亦建議畜牧區周遭環境中戴奧辛濃度應持續監視。 |
英文摘要 | This study investigated the background levels of PCDD/Fs and dioxin-like PCBs (dl-PCBs) in fresh foods around Taiwan. In 1,029 foodstuffs, the highest PCDD/F level based on per gram fat was found in duck eggs (1.956 pg WHO-TEQ/g fat), followed by beef (1.263 pg WHO-TEQ/g fat), and egg products (1.067 pg WHO-TEQ/g fat), and the lowest was in grape seed oil (0.068 pg WHO-TEQ/g fat). The highest dl-PCB level was found in beef (0.782 pg WHO-TEQ/g fat), followed by duck eggs (0.632 pg WHO-TEQ/g fat), and mutton (0.506 pg WHO-TEQ/g fat), and the lowest was in peanut oil (0.011 pg WHO-TEQ/g fat). The average intake of boys and girls (> 6, ≤ 12 years old) were 0.70 and 0.62 pg WHO-TEQ(subscript PCDD/Fs + dl-PCBs)/kg bw/day, respectively; for adolescents (> 13, ≤ 18), 0.34 (male) and 0.30 (female) pg WHO-TEQ(subscript PCDD/Fs + dl-PCBs)/kg bw/day, respectively; for adults (19-64), 0.33 (male) and 0.31(female) pg WHO-TEQ(subscript PCDD/Fs + dl-PCBs)/kg bw/day, respectively; and for seniors (> 65), 0.42 (male) and 0.37 (female) pg WHO-TEQ(subscript PCDD/Fs + dl-PCBs)/kg bw/day, respectively. The greatest contribution (%) to the total daily intake came from meat fish, and fishery products, especially in adults (men: 51.6%; women: 47.5%) and seniors (men: 64.8%; women: 61.8%). In the Hsinchu-Miaoli area, PCDD/F concentrations were found the highest in beef and mutton, while in Keelung-Taipei-Taoyuan area the highest in mutton, duck, and goose. The distribution of dl-PCB concentrations in beef, mutton, and goose meat throughout Taiwan showed a similar trend with PCDD/Fs. The mean dioxin level in milk concurrently decreased with total dioxin emissions in Taiwan between 2004 and 2008. It is concluded that, generally, PCDD/Fs and dl-PCBs in food pose little health risk in Taiwan, except for occasionally high PCDD/F levels in beef and mutton. These data suggested that the environment near where the livestock was raised should be examined. |
本系統中英文摘要資訊取自各篇刊載內容。