Table 1 The effect of pretreatment on pH of
Colocasia esculenta
(L.) Schott stem
pH
Raw
6.40±0.02
b
Drying
6.23±0.03
d
Blanching
6.54±0.10
a
Drying after blanching
6.33±0.02
c
a-d
Means with different superscripts in a column are significantly different.