Assessment of Antioxidant and Antimicrobial Property of Polyphenol-Rich Chitosan-Pineapple Peel Film

Table 3

Antioxidant activity of chitosan and chitosan-PPE films.

Sample	DPPH	ABTS	CUPRAC
PME	5.82 ± 0.28^ab	13.60 ± 0.50^b	3.45 ± 0.44^b
PEE	13.63 ± 3.66^c	49.80 ± 0.10^d	6.28 ± 0.40^c
CH-PME	3.36 ± 0.28^ab	8.031 ± 0.56^b	2.48 ± 0.35^b
CH-PEE	6.23 ± 1.52^b	26.40 ± 0.72^c	6.23 ± 0.30^c
CH	2.36 ± 0.27^a	3.36 ± 0.49^a	1.16 ± 0.12^a

All values are expressed as mg/g means ± standard deviation (n = 3). Alphabetic letters indicate the significant difference within a column using a one-way analysis of variance (ANOVA).