From:  Fructo-oligosaccharides as a healthier sugar alternative in granola bars: impact on physical, chemical, and sensory attributes

 Colour composition, pH value, and water activity (aw) of granola bar samples.

FormulationColour compositionpH valueaw
L*a*b*
F044.86e ± 0.11912.46a ± 0.04625.75a ± 0.0156.10b ± 0.0100.359a ± 0.002
F150.21d ± 0.0061.36c ± 0.04019.08b ± 0.0296.10b ± 0.0100.315b ± 0.006
F251.50c ± 0.0062.61b ± 0.03818.97c ± 0.0156.10b ± 0.0100.292c ± 0.005
F352.30b ± 0.0102.67b ± 0.03218.56d ± 0.0356.10b ± 0.0100.280d ± 0.005
F459.47a ± 0.0121.34c ± 0.02317.38e ± 0.0156.15a ± 0.0600.218e ± 0.004

Data are presented as mean ± SD of three independent replicates. One-way ANOVA followed by Tukey’s HSD post-hoc test was used to determine significant differences among samples (p < 0.05). Means with different superscript letters in the same columns indicate statistically significant differences. F0—control, F1—25% FOS, F2—50% FOS, F3—75% FOS, F4—100% FOS. ANOVA: analysis of variance; HSD: honestly significant difference; FOS: fructo-oligosaccharides.