A Review on Antidiabetic Activity of Centaurea spp.: A New Approach for Developing Herbal Remedies

Figure 2

The chemical structure of constituents isolated from Centaurea spp., responsible for antidiabetic activity. (a) Kaempferol. (b) Kaempferol 3-O-rutinoside. (c) Astragalin (kaempferol-3-glucoside). (d) Rutin. (e) Hesperidin. (f) Quercetin. (g) Luteolin. (h) Cynaroside (luteolin-7-O-glucoside). (i) Catechin. (j) Apigenin. (k) Vitexin. (l) Isovitexin. (m) Hispidulin. (n) Jaceosidin. (o) Caffeic acid. (p) Cholorogenic acid. (q) β-Caryophyllene.

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