Ultrasonic Extraction of Phenolic Compounds from Eggplant Peel and Formulation of Eggplant Peel Extract-Enriched Ice-Cream

Table 2

% DPPH inhibition of the optimized eggplant peel extract.

Quantity (μg/ml)	Vitamin C	Eggplant peels extract
8000	96.77 ± 0.37^a	95.23 ± 2.39^a
4000	95.31 ± 1.31^a	86.63 ± 3.00^b
2000	89.97 ± 1.42^b	71.74 ± 0.99^c
1000	88.20 ± 0.40^b	55.75 ± 2.08^d
500	59.92 ± 0.98^c	48.82 ± 1.84^de
250	41.05 ± 3.11^d	44.46 ± 2.06^ef
125	24.50 ± 0.85^e	40.57 ± 1.47^fg
62.5	18.00 ± 1.00^f	37.64 ± 2.94^fg
31.25	15.87 ± 1.02^f	35.87 ± 4.04^g

Different superscript small letters (a–g) indicate means which are significantly () different.