Table 1.

Effect of blood orange juice intake on the levels of short-chain fatty acids in the fecal samples.

Fecal SCFAs (μmol/g)	Baseline	2 weeks	4 weeks	Value of p
Acetic acid	11.01 ± 1.22	12.25 ± 0.94	11.51 ± 0.85	0.338
Propionic acid	5.23 ± 0.47 b	6.55 ± 0.81 ab	6.60 ± 0.52 a	0.028
Butyric acid	7.01 ± 1.18	9.67 ± 1.71	9.33 ± 1.38	0.264
Isobutyric acid	1.75 ± 0.15 b	2.26 ± 0.27 ab	2.46 ± 0.27 a	0.019
Valeric acid	2.08 ± 0.15	2.35 ± 0.18	2.43 ± 0.19	0.076
Isovaleric acid	2.42 ± 0.26	3.15 ± 0.44	3.03 ± 0.43	0.264
Hexanoic acid	1.80 ± 0.20	1.66 ± 0.16	1.71 ± 0.17	0.517
Total SCFAs	31.29 ± 2.88	37.90 ± 3.40	37.07 ± 3.04	0.205

Results are expressed as the mean ± standard error. The value of ps were calculated using the Friedman test. Values in bold and different superscript letters indicate statistical significance (p < 0.05) among values obtained in the baseline and after 2 and 4 weeks of blood orange juice intake.