Figure 2From: Effects of Curcuma longa (turmeric) on postprandial plasma glucose and insulin in healthy subjects The mean (± SEM) incremental serum insulin concentration in fourteen healthy subjects after the OGTT with placebo capsules (reference) (black diamond) or C. longa capsules (black square). * = Significant difference between the responses to the reference and test OGTT when evaluated with the Wilcoxon signed rank sum test, P < 0.05. U = UnitBack to article page