Costus afer Possesses Carbohydrate Hydrolyzing Enzymes Inhibitory Activity and Antioxidant Capacity In Vitro

Figure 3

Inhibitory effect of methanol extracts from different parts of C. afer on α-glucosidase activities. Letters a, b, c, d, and e compare different solvents extracts at the same concentration and bars designated with different letters are significantly different from each other at (Tukey HSD test).

(a)

(b)

(c)