Table 1 Proximate composition and functional properties of, wheat flour, APP and formulations (n = 3).

From: Valorisation of apple pomace for the development of high-fibre and polyphenol-rich wheat flour cookies

 

APP

WF

WFP1

WFP2

WFP3

Moisture (%)

4.40 ± 0.41a

13.6 ± 0.33d

12.8 ± 0.24c

12.4 ± 0.16bc

12.0 ± 0.08b

Ash (%)

1.50 ± 0.49b

0.53 ± 0.37a

0.53 ± 0.29a

0.50 ± 0.24a

0.50 ± 0.01a

Protein (%)

1.43 ± 0.04a

9.62 ± 0.03e

9.21 ± 0.02d

8.80 ± 0.01c

8.39 ± 0.01b

Fat (%)

1.80 ± 0.08b

1.56 ± 0.02a

1.59 ± 0.02a

1.58 ± 0.04a

1.57 ± 0.03a

Fibre (%)

31.25 ± 0.01e

0.66 ± 0.02a

2.19 ± 0.03b

3.71 ± 0.03c

5.26 ± 0.05d

TFC mg CE/g

2.82 ± 0.21e

0.26 ± 0.10a

0.37 ± 0.04b

0.58 ± 0.12c

0.75 ± 0.03d

WAC (g/g)

3.35 ± 0.27d

1.01 ± 0.05a

1.15 ± 0.02a

1.23 ± 0.10b

1.40 ± 2.0c

OAC (g/g)

1.05 ± 0.18a

1.03 ± 0.13a

0.97 ± 0.10a

0.95 ± 0.10a

0.92 ± 0.82a

SP (g/g)

4.66 ± 0.08bc

4.31 ± 0.13a

4.44 ± 0.14ab

4.63 ± 0.15abc

4.83 ± 0.17c

FC (%)

24.0 ± 0.82a

46.0 ± 1.6d

40.0 ± 2.0c

38.0 ± 0.8c

28.0 ± 0.16b

FS (%)

25.0 ± 1.6a

48.0 ± 1.2c

65.0 ± 2.4d

26.0 ± 0.81a

42.0 ± 0.82b

Color

 L*

61.16 ± 0.28a

85.84 ± 0.44e

81.27 ± 0.41d

78.01 ± 0.50c

75.70 ± 0.42b

 a*

3.82 ± 0.20e

– 0.86 ± 0.07a

0.58 ± 0.06b

1.20 ± 0.09c

1.82 ± 0.07d

 b*

29.55 ± 1.31c

18.74 ± 0.23a

18.87 ± 0.60a

18.97 ± 0.34a

19.87 ± 0.46b

ΔE

27.30 ± 0.09d

22.99 ± 0.08c

20.06 ± 0.06b

17.58 ± 0.06a

  1. Results are expressed as means (n = 3) ± standard deviation.
  2. WAC water absorption capacity; OAC oil absorption capacity; SP swelling power; FC foaming capacity; FS foam stability; APP apple pomace powder; WF, WFP1, WFP2 and WFP3 wheat flour sample containing 0%, 5%, 10% and 15% APP respectively; C0, C1, C2 and C3 cookies containing 0%, 5%, 10% and 15% APP, respectively.
  3. Values followed by same letter in a row do not differ significantly (p < 0.05).