Herbal Medicines Targeting the Improved β-Cell Functions and β-Cell Regeneration for the Management of Diabetes Mellitus

Figure 3

Structures of metabolites: (a) myricetin (1), (b) syringic acid (2), (c) ferulic acid (3) present in Hibiscus rosa sinensis Linn., and (d) cyanidin-3-glucoside (4) present in Myrica rubra Sieb. and Zucc. targeting β-cells.

(a)

(b)

(c)

(d)