Effect of Psyllium Husk, Bran, and Raw Wheat Germ Addition on the Rheological Characteristics of Arabic (Pita) Bread Dough
Table 12
Extensograph characteristics of dough made from flour, coarse bran, and psyllium blends.
Sample code
Extensibility (cm)
Resistance to extension (cm)
Area under the curve (cm2)
45
90
135
45
90
135
45
90
135
White flour (WF)
25.9af
24.4g
23.5g
11.9af
15.2 g
15.4 g
213.0af
254.6g
247.7g
WF+20% coarse bran+1% psyllium
11.3bcf
9.3g
8.2g
11.5af
18.0 g
18.8 g
95.5bf
114.7 f
103.6 f
WF+20% coarse bran+2% psyllium
11.8bf
10.6fg
9.5g
9.9af
16.5 g
18.8 h
88.7bf
122.1 g
117.3 g
WF+20% coarse bran+3% psyllium
11.3bf
10.5fg
9.9g
10.7af
14.9 g
18.4 h
91.6bf
116.4 g
120.4 g
WF+20% coarse bran+4% psyllium
10.9cdf
9.3g
7.7h
13.1af
18.1 g
18.7 g
107.1bf
114.6 g
110.9 g
WF+20% coarse bran+5% psyllium
9.9df
8.0g
7.0h
13.3af
17.4 g
18.2 g
96.5bf
98.5f
88.8f
Mean values () with same superscripts for any parameter do not differ significantly in a column (). Mean values with same subscripts for any parameter (i.e., extensibility, resistance to extension, or area under the curve) at 45, 90, and 135 minutes do not differ significantly in a row ().