Green banana flour (GBF) was obtained from green banana fruit submitted to a previous limewater de-astringency treatment. Autoclaved/debranched GBF (ADGBF) was prepared by autoclaving and debranching GBF with different levels of pullulanase to induce formation of resistant starch (RS) type III. The soluble condensed tannin (SCT), chemical composition, in vitro starch digestibility and estimated glycemic index (eGI) were evaluated. SCT was reduced significantly by limewater de-astringency treatments (p