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Fig. 1. Differential effects of 3 Korean red ginseng (KRG) fractions derived from the same root source on postprandial glycemia in a preparation-finding study. The line plots and bars in the array represent the incremental change and area under the curve (AUC) for placebo (•) or one of 3 KRG-fractions—KRG-rootlets (
), KRG-body (
), KRG-H2O extract of whole root (
)—administered at a dose of 6 g 40-min before a 50 g-OGTT in 7 healthy nondiabetic subjects (sex: 3m:4f, age: 32 ± 4 y, BMI: 24 ± 2 kg/m2). P-values reported in the base of each plot area are for the main effects of treatment and time and their interactions from repeated measures two-way ANOVA. The significant interaction between treatment and time (treatment x time) on glycemia in the case of KRG-rootlets was explored with repeated measures one-way ANOVA at each level of time. Asterisks indicate that points or bars for KRG fraction are significantly different from placebo (p 
0.05, repeated measures one-way ANOVA). Data are mean ± SEM.
