Table 4. Sugar content, pH, total acidity, and hardness of cookies containing different amounts of aronia powder

Measurement	Wheat flour	Aronia powder	Cookies with aronia powder (%)
			0	2	4	6
Sugar content (°Brix)	-	22.2±0.1a	18.4±0.1e	19.8±0.0d	20.4±0.1c	21.3±0.0b
pH	6.13±0.01a1)	4.77±0.03d	6.05±0.00b	6.01±0.04b	5.79±0.00c	5.61±0.01c
Total acidity (%)	0.01±0.00c	0.04±0.00a	0.01±0.00c	0.01±0.00c	0.01±0.00c	0.02±0.00b
Hardness (g)	-2)	-	10,181.67±432.53c	10,227.33±471.19c	10,900.67±544.84b	11,856.00±443.72a

Values are mean±SD (n=3).
-, not measured.
^a-eMeans with the same superscript letters within the same row are not significantly different at p<0.05.