Racial differences in paraoxonase-1 (PON1): a factor in the health of southerners?

Arylesterase activity Results plotting phenyl acetate hydrolysis (arylesterase activity) versus POase activity showed a trend toward separating individuals into the three functional genotypes ( Figure 4 ), but did not yield as clear-cut a distinction among the three functional genotypes as did the plot of POase versus DZOase.

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However, within the QQ genotype, we found a nonsignificant trend, with Caucasians having a higher mean DZOase activity than African Americans.

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