Zeitschrift für Bioverarbeitung und Biotechnik

Anthocyanin; Egg plant; Response surface methodology; Box-Behnken design

Abstract

Thirunavukkarasu Arunachalam and Nithya Rajarathinam

 The study investigated the parameter optimization for anthocyanin extraction from egg plant (Solanum melongena) with the approach response surface methodology. Extractions were carried out using acid–ethanol with the temperature range (60–90°C), time (30–90 min) and solid–liquid ratio (1:15–1:30). Three level three factor Box-Behnken design was followed to observe the anthocyanin yield for the studied parameters. The maximum yield of anthocyanin was observed at the temperature 76.5°C in 70 min in the ratio of 1:26.