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. 2014 Jul 30;2(6):676–681. doi: 10.1002/fsn3.150

Table 3.

Effect of soaking time on the pH and color of yam flour.

Sample pH Color
Dioscorea rotundata 0 h 6.40 ± 0.01a 1.81 ± 0.08a
Dioscorea alata 0 h 6.40 ± 0.01a 1.82 ± 0.07a
D. rotundata 6 h 5.82 ± 0.02c 1.82 ± 0.06a
D. alata 6 h 6.21 ± 0.01b 1.83 ± 0.06a
D. rotundata 12 h 5.54 ± 0.01d 1.81 ± 0.07a
D. alata 12 h 5.48 ± 0.02e 1.86 ± 0.03a
D. rotundata 18 h 5.10 ± 0.01f 1.85 ± 0.04a
D. alata 18 h 5.84 ± 0.02c 1.82 ± 0.08a

Values are expressed as mean ± SD (n = 3); values within the same column followed by different superscripts are significantly different (P < 0.05).