Ultrasound-Assisted Extraction of Phenolic Compounds from Banana (Musa Balbisiana) Seeds

Abstract

The aim of this study is to determine the influence of factors such as types of solvents (acetone, ethanol, methanol, and distilled water), material/solvent ratio (1/30-1/70), solvent concentration (30%-70%, v/v), time (10-30 minutes) and temperature extraction (30oC-70oC) which affect total polyphenol content (TPC) and antioxidant capacity (AC) of banana seed extract. The optimal conditions for the extraction process were aqueous acetone concentration of 40%, material/solvent ratio of 1/50, extraction temperature of 50oC in 15 minutes. The TPC and AC obtained were approximatively 45.41 mg GAE/g DW and 167.10 μmol TE/g DW, respectively. The effect of ultrasound-assisted extraction (UAE) on the structure of the materials of banana seed was observed by scanning with the electron microscopy (SEM).