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Table 4.

Effect of diets containing 30 or 60% meat on concentrations of iron and bile acids in fecal water and of total fatty acids in fecesa.

Iron b μg/g dry feces Bile Acids b μmol/g dry feces Total Fatty Acids c mg/g
Groups Low Meat High Meat Low Meat High Meat Low Meat High Meat
Lard 9.4 ± 1.2 10.3 ± 2.7 2.33 ± 0.64 2.29 ± 1.01 62.2 ± 13.4 84.5 ± 13.0
Olive 11.0 ± 0.7 15.5 ± 1.2** 3.72 ± 0.98 ** 5.55 ± 2.26** 8.7 ± 3.5 12.7 ± 5.8***
Beef 6.7 ± 1.2* 11.9 ± 3.1 2.09 ± 0.57 3.39 ± 0.57 51.9 ± 14.7 72.6 ± 23.3
Chick 7.3 ± 1.0 6.7 ± 0.7 3.44 ± 0.21* 6.79 ± 2.08*** 7.1 ± 0.8 9.6 ± 2.6***
Bacon 10.7 ± 2.3 12.0 ± 2.0 2.08 ± 0.43 2.44 ± 0.71 22.7 ± 0.1 26.9 ± 10.2***
ANOVA P values
meat level effect 0.000 0.000 0.058
meat type effect 0.000 0.000 0.000
level x type effect 0.003 0.008 NS
a Diets are defined in Table 1. Statistical significance is as follows:
*** p < 0.001;
** p < 0.01;
* p < 0.05 vs. lard-fed control by Dunnett’s test. Separated ANOVA and Dunnet’s test were done for Low Meat and High Meat subsets, for iron and bile acids values, because the (level x type) interaction was significant.
b Mean ± SD (n = 5 cages)
c The pool of feces from10 rats in each group was assayed in duplicate, for total fatty acids.
Nutr Cancer. 1998; 32(3): 165–73.