Roxarsone, Inorganic Arsenic, and Other Arsenic Species in Chicken: A U.S.-Based Market Basket Sample

http://dx.doi.org/10.1289/ehp.1206245



Table 4. Paired t-test comparisons of arsenic species concentrations (µg/kg) in paired raw and cooked chicken meat samples.
As species Pairs (n) Raw
[GM (95% CI)]
Cooked
[GM (95% CI)]
p-Value Percent change
Abbreviations: +, increase; –, decrease.
aAnalyses for roxarsone and unknown species were restricted to pairs of samples with at least 1 positive detection.
Total arsenic 102 3.0 (2.5–3.6) 3.8 (3.2–4.5) < 0.001 21.1 +
iAs 63 0.8 (0.7–1.0) 1.1 (0.9–1.3) 0.004 27.2 +
DMA 63 2.7 (2.4–3.1) 3.1 (2.5 -3.8) 0.09 12.9 +
Roxarsonea 30 1.8 (1.4–2.2) 1.0 (0.7–1.3) < 0.001 44.1 –
Unknown speciesa 24 1.3 (1.0–1.5) 0.8 (0.5–1.1) < 0.001 38.4 –