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Fig. 1. Postprandial glycemic responses to a 20 g oral glucose challenge done alone (
) or following 3 g of psyllium (
), xanthan (
), or konjac mannan (
) (A) and the calculated glycemic indexes of three fibers relative to oral glucose alone (B). GI was expressed as the area under the curve (AUC) for each fiber divided by the AUC for oral glucose alone multiplied by 100. Points or bars with different letters are significantly different (repeated measures ANOVA adjusted for multiple pairwise comparisons with the Newman Keuls procedure, p < 0.05). Statistics expressed for GI differences were done for the differences in the absolute AUC values. Data are mean ± SEM. Reference [26].
