Parameter UD(kg/m3) BD(kg/m3) ER (-) WAI (-) WSI (%) PDI (%) L (-) a (-) b (-)
Xanthan

Gum Level(%)

3 860.0c 386.0c 0.96b 3.78b 7.19b 55.5c 47.1b 5.10b 22.4b
(40.0) (4.0) (0.03) (0.23) (1.17) (1.64) (1.63) (0.09) (0.30)
6 980.0b 404.3b 0.95b 4.06b 8.30b 65.6b 46.5b 4.92b 21.7b
(170.0) (4.0) (0.06) (0.34) (1.17) (2.20) (0.55) (0.13) (0.41)
10 1200.0a 591.0a 1.07a 7.52a 17.4a 93.7a 51.9a 7.91a 27.5a
(110.0) (18.0) (0.03) (0.33) (1.78) (4.00) (1.90) (0.52) (2.50)

SS(rpm)

100 1036.0a 468.0a 0.97b 5.00a 11.6a 70.8a 48.0a 5.77a 23.1a
(208.0) (104.0) (0.07) (1.88) (5.51) (15.60) (2.17) (1.27) (1.94)
150 986.2a 453.3a 1.02a 5.23a 10.4a 72.5a 49.0a 6.18a 24.7a
(161.0) (91.0) (0.05) (1.89) (4.78) (18.90) (3.47) (1.64) (3.73)
Guar

Gum Level(%)

3 920.0b 375.4b 1.12a 4.23c 7.56b 53.6b 46.8b 5.03b 22.4b
(39.0) (7.0) (0.05) (0.28) (1.03) (0.86) (1.85) (0.13) (0.13)
6 948.3b 362.0b 0.88c 5.78b 8.73b 45.3c 49.8ab 4.90b 22.6b
(73.0) (5.0) (0.08) (0.64) (2.41) (0.82) (1.64) (0.12) (0.57)
10 1113.3a 534.4a 1.07b 8.05a 17.6a 75.3a 54.2a 6.88a 25.8a
(43.0) (29.0) (0.09) (0.22) (4.30) (6.44) (8.31) (0.38) (2.05)

SS(rpm)

100 972.3a 419.2a 1.03a 6.00a 12.2a 56.5a 52.2a 5.58a 23.9a
(131.0) (67.0) (0.08) (1.86) (7.07) (10.40) (7.30) (0.94) (2.64)
150 1015.4a 428.6a 1.02a 6.04a 10.4a 59.7a 48.3a 5.61a 23.2a
(87.0) (98.0) (0.14) (1.68) (3.48) (16.50) (2.38) (1.04) (0.96)
Table 3: 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.