2022/7/26/ · Sterilized diluted (10%, v/v) fruit peel extracts were used without adding any inorganic supplement to determine the best substrate for SCP production. Each fruit peel medium (50 mL) was inoculated with 5 mL of palmyrah toddy culture and fermented in a shaking incubator at 100 rpm for 48 h at 28 C in three replicates.