Study on chemical composition and α-glucosidase and α-amylase inhibitory activity of Gymnema sylvestre Retz. R.BR. EX SM. and Gymnema latifolium Wall. EX wight - 11
(1→4)-β- D- thevetopyranosyl-(14)-β- D- oleandropyranosyl-(14)-β- D- cymaropyranoside and attached to the C-3 position of the aglycone. Table 3.5. NMR spectral data of compound GS5 and reference substance C δ C # δ C a,b δ H a,c (multiplicity, J=Hz) C δ C # δ C a,b δ H a,c ...