First full characterization of the phenolic composition of M. jaboticaba peel.
Polyphenols identification and antioxidant power were checked by LC-DAD-CAD-ECD-MS.
Anthocyanins were the major phenolics; ellagitannins had higher antioxidant power.
Jaboticaba intake increased serum antioxidant status.
Jaboticaba intake showed improvement on blood glucose and insulin response.