A Phenolic Fraction from Catharanthus roseus L. Stems Decreases Glycemia and Stimulates Insulin Secretion

Figure 3

Insulin mRNA expression in RINm5F cells treated with precipitate obtained from the aqueous alkaloid-free extract of C. roseus, n =3. , ^# mean significantly different versus control or glibenclamide at the same time. n= 3. p < 0.01.