Polychlorodibenzodioxin and -furan (PCDD and PCDF) and Dioxin-like Polychlorobiphenyl (DL-PCB) Congener Levels in Milk of Grazing Sheep as Indicators of the Environmental Quality of Rural Areas

被引：16

作者：

Brambilla, Gianfranco ^{[1
]}

Abate, Vittorio ^{[1
]}

De Filippis, Stefania Paola ^{[1
]}

Fulgenzi, Anna Rita ^{[1
]}

Iamiceli, Anna Laura ^{[1
]}

Mazzette, Alessandro ^{[2
]}

Miniero, Roberto ^{[1
]}

Pulina, Giuseppe ^{[2
]}

机构：

[1] Ist Super Sanita, Dept Environm, I-00161 Rome, Italy

[2] Univ Sassari, Dept Anim Sci, I-07100 Sassari, Italy

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2011年 / 59卷 / 15期

关键词：

dioxin-like substances; sheep; milk; environment; organic farming; CONTAMINATION;

D O I：

10.1021/jf2010673

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

An observational study was set up to evaluate how the quality of the environment may influence the levels of of PCDDs, PCDFs, and DL-PCBs in sheep's milk. Seven farms under natural and anthropogenic pressures were considered, along with an inventory of the surrounding regular and natural sources of emissions. Analysis by HRGC-HRMS revealed the highest cumulative levels (2.1 pg of WHO1998-TE/g fat) in one organic and one conventional farm, each close to a relevant bushfire. Their pattern was characterized by a noticeable contribution (24%) from mono-ortho-PCB congeners to the cumulative WHO-TE. For the other farms, close to potential anthropogenic sources, the levels recorded in milk ranged from 0.7 to 1.3 pg of WHO-TE/g fat. The health and reproductive indicators were in all herds within the physiological range. Results suggest the environmental quality in extensive farming system should be eligible as a food safety factor, also for organic productions.

引用

页码：8513 / 8517

页数：5

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