查詢結果分析
相關文獻
- 臺灣常見市售甲殼類動物之體內重金屬累積特徵
- 中藥中重金屬元素之檢驗技術發展趨勢
- 由鎘及鉛存在形態來探討萃取法及電動法土壤復育效率
- 表面塗裝材料中可溶出重金屬鋇來源之探討
- Chlorides Affecting the Speciation and Partitioning of a Single Heavy Metal in a Waste Incineration Process
- 以不同消化方法探討本省南部及東部農業區與都會區數種土壤中重金屬含量及其存在形態的差異
- 藉溫控穩定不添加重金屬皮蛋製程
- 九孔及其飼料龍鬚菜之重金屬含量
- 常用蔬菜、水果與傳統飲料對重金屬鹽之抗致變性
- 中藥製劑基準方重金屬限量規格制訂之研究
頁籤選單縮合
題 名 | 臺灣常見市售甲殼類動物之體內重金屬累積特徵=Accumulation Characteristics of Heavy Metals in Crustaceans from the Taiwan Markets |
---|---|
作 者 | 林逸柔; 吳敏華; 劉淑慧; 洪珮菱; 黃耿盟; 董靜馨; 唐玉芸; 潘志寬; 黃登福; 馮潤蘭; | 書刊名 | 臺灣農業化學與食品科學 |
卷 期 | 52:4-6 2014.08-12[民103.08-12] |
頁 次 | 頁121-127 |
分類號 | 412.37 |
關鍵詞 | 甲殼類; 重金屬; 感應耦合電漿質譜法; Crustacean; Heavy metals; Inductively coupled plasma mass spectrometry; |
語 文 | 中文(Chinese) |
中文摘要 | 台灣為海島型國家,海鮮類食品於日常飲食中相當普遍,其中也包括甲殼類。為了解甲殼類中不同部位之重金屬鎘(Cd)、鉛(Pb)、砷(As)及汞(Hg)累積特徵,利用微波輔助酸消化法(Microwave assisted acid digestion)進行樣品前處理,配合感應耦合電漿質譜法(Inductively coupled plasma mass spectrometry, ICP-MS)檢測,鎘、鉛、砷及汞之方法定量極限分別為0.02、0.02、0.05及0.05 μg/g。取牡蠣粉、角鯊魚肝粉、魚肉粉等標準參考物質進行方法驗證,五重複結果皆能符合標示值。將此方法應用於市售螃蟹九隻、龍蝦四隻、蝦24隻,分析其各部位重金屬含量,因檢體來源與品種差異,除了汞含量在檢體各部位中皆低於定量極限外,砷、鉛及鎘含量在個體間差異甚大。螃蟹中鉛有68.0 ± 27.4%分布於鰓(含量0.14~0.54 μg/g);鎘有90.10 ± 5.40%分布於蟹膏(含量0.02~10.62 μg/g),顯著高於其他部位。龍蝦中鉛僅在龍蝦膏檢出(含量N.D.~0.07 μg/g);鎘有94.30 ± 7.64%分布於龍蝦膏(含量8.9~21.6 μg/g),顯著高於其他部位。蝦中鉛僅在頭胸部(包含內臟與頭部肌肉)檢出,含量 N.D.~0.07 μg/g;鎘僅在頭胸部檢出,含量N.D.~0.76 μg/g。研究結果顯示龍蝦膏及蟹膏鎘含量偏高,建議國人儘量減少攝食此高風險部位。 |
英文摘要 | Since Taiwan is an island country, seafood is very common in daily diet, including crustaceans. In order to obtain the accumulation characteristics of cadmium (Cd), lead (Pb), arsenic (As), and mercury (Hg) in different tissues of crustaceans, microwave assisted acid digestion was used for sample pretreatment and heavy-metal concentrations were detected by inductively coupled plasma mass spectrometry (ICPMS). Limits of quantification (LOQs) of Cd, Pb, As, and Hg were 0.02, 0.02, 0.05, 0.05 μg/g, respectively. Standard reference materials (SRMs) such as oyster tissue, fish liver, and fish protein were chosen for method validation, and the results of five replicates were in accordance with certified values. Nine crabs, 4 lobsters, and 24 shrimps purchased from markets were analyzed for heavy metal concentrations in each tissue by this method. Mercury concentrations in all tissues of each sample were below LOQ. Cadmium, lead, and arsenic concentrations were different from sample to sample due to different sources and species. In lobsters, Pb was only detected in tomalley (N.D.~0.07 μg/g), and 94.30 ± 7.64% Cd was accumulated in tomalley (8.9~21.60 μg/g), which was significantly higher than that in other tissues. In carbs, 68.0 ± 27.40% Pb was accumulated in gills (0.14~0.54 μg/g), and 90.10 ± 5.4% Cd was accumulated in tomalley (0.02~10.62 μg/g), which was significantly higher than that in other tissues. In shrimps, Pd was only detected in cephalothorax (including viscera and head muscle), ranging from N.D.~0.07 μg/g, and Cd was only detected in cephalothorax, ranging from N.D.~0.76 μg/g. This research showed that higher Cd concentrations were found in tomalley of lobsters and crabs. We suggest that people should reduce intake of these high-risk tissues of crustaceans. |
本系統中英文摘要資訊取自各篇刊載內容。