Parameter UD(kg/m3) BD(kg/m3) ER(-) WAI(-) WSI(%) PDI(%) L(-) a (-) b (-)
Wheat gluten
Gum Level(%)
3 1013.0b 375.2b 0.99b 2.64c 7.44b 61.3b 46.5b 5.09b 22.6b
(33.0) (3.0) (0.12) (0.07) (0.40) (2.06) (1.37) (0.22) (0.60)
6 1021.0b 365.3b 0.93b 3.02b 6.35c 58.9c 44.8c 5.07b 21.8c
(123.0) (5.0) (0.03) (0.01) (0.23) (1.67) (1.05) (0.05) (0.56)
10 1127.4a 585.0a 1.16a 3.88a 19.6a 91.7a 54.6a 7.56a 25.8a
(69.0) (16.0) (0.08) (0.05) (0.25) (1.80) (0.93) (0.23) (0.38)
SS(rpm)
100 1038.0a 435.0a 1.05a 3.20a 11.3a 70.2a 49.3a 5.96a 23.3a
(131.0) (101.0) (0.08) (0.58) (6.50) (15.00) (4.50) (1.21) (1.83)
150 1070.0a 449.0a 1.00a 3.18a 10.9a 71.1a 48.0a 5.85a 23.5a
(79.0) (113.0) (0.16) (0.57) (6.64) (16.70) (4.70) (1.28) (1.89)
CMc
Gum Level(%)
3 913.0b 406.8b 1.08a 3.54b 8.04b 76.1a 43.3c 4.97b 21.9b
(269.0) (17.0) (0.39) (0.29) (0.76) (4.93) (2.38) (0.41) (0.88)
6 1006.0b 377.7c 0.99a 3.82b 8.11b 60.8b 46.1b 4.93b 22.3b
(131.0) (14.0) (0.05) (0.50) (0.84) (3.89) (0.75) (0.15) (0.46)
10 1186.3a 543.6a 1.05a 7.21a 13.7a 77.6a 59.1a 7.6a 28.1a
(84.0) (23.0) (0.05) (0.48) (0.78) (3.02) (1.21) (0.48) (1.43)
SS(rpm)
100 1070.3a 445.8a 1.00a 5.20a 9.87a 72.8a 48.7a 5.8.0a 24.2a
(111.0) (60.0) (0.06) (1.85) (3.41) (7.03) (7.87) (1.40) (3.64)
150 999.8a 439.6a 1.08a 4.51a 10.1a 70.3a 50.3a 5.86a 24.0a
(27.0) (93.0) (0.31) (1.82) (2.56) (10.40) (7.00) (1.34) (2.61)
Pullulan
Gum Level(%)
3 937.3b 402.2b 0.88c 2.61b 11.4b 80.8c 45.3b 5.29a 22.7a
(43.0) (5.0) (0.04) (0.04) (1.35) (0.73) (1.33) (0.12) (0.60)
6 992.5b 438.3b 0.96b 2.36b 12.8b 87.8b 44.9b 5.35a 22.5a
(89.0) (57.0) (0.08) (0.04) (0.64) (0.83) (1.91) (0.32) (1.65)
10 1122.0a 498.7a 1.15a 3.80a 27.7a 95.7a 53.8a 4.85b 15.7b
(78.0) (8.0) (0.06) (0.45) (0.80) (0.87) (1.38) (0.50) (2.27)
SS(rpm)
100 1023.4a 436.0a 0.96a 3.03a 17.1a 88.1a 48.0a 5.36a 21.4a
(125.0) (46.0) (0.10) (0.87) (7.81) (6.68) (4.40) (0.29) (3.14)
150 1011.0a 457.2a 1.03a 2.82a 17.6a 88.1a 48.0a 4.97b 19.2a
(85.0) (57.0) (0.14) (0.54) (8.49) (6.32) (4.79) (0.42) (3.98)
Table 4: Main effects of gum inclusion level, and screw speed (SS) on extrudates physical properties blocked according to gum source; Parentheses indicate ±1 standard
deviation; means followed by similar letters for a given dependent variable are not significantly different at P<0.05 among treatments