Sample colour was measured in triplicate using a Minolta CR-
300 colorimeter (Konica Minolta Sensing Inc., Osaka, Japan) and
expressed as Hunter L*a*b* values (L* value defines the lightness,
a* value the red-greenness and b* value the blue-yellowness,
respectively). Total colour difference (DE*) between (inulin or apple
DF) fibre-enhanced and control snack bars, in the absence or
presence of added APE, was calculated using the equation
Sample colour was measured in triplicate using a Minolta CR-
300 colorimeter (Konica Minolta Sensing Inc., Osaka, Japan) and
expressed as Hunter L*a*b* values (L* value defines the lightness,
a* value the red-greenness and b* value the blue-yellowness,
respectively). Total colour difference (DE*) between (inulin or apple
DF) fibre-enhanced and control snack bars, in the absence or
presence of added APE, was calculated using the equation
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