From:  Spent coffee grounds as a sustainable coffee flavouring ingredient in muffins

Overview of attribute preference testing with mean values of the samples based on 36 of the 40 persons in the test panel that responded to these parameters, and with χ² and P values from chi square test of significance

SampleAppearanceOverall flavourOverall texture
Control3.23.12.9
Oven dried2.52.62.3
Vacuum dried1.92.12.2
Freeze dried2.42.22.6
P valuesP < 0.001P < 0.01P < 0.05
Return to article view