. 2013 Aug 14;52(3):1471–1479. doi: 10.1007/s13197-013-1137-1

Table 1.

Water vapor permeability and mechanical properties of chitosan-based films

Film	Concentration		Thickness	WVP	TS	E
	MMT	PRP
	(%w/w chitosan)	(%w/v chitosan solution)	(μm)	(×10⁻⁹ g · m/m² · s · Pa)	(MPa)	(%)
Control	Control		65.0 ± 2.3^a	2.18 ± 0.02^f	20.8 ± 1.2^a	12.7 ± 0.8^a
M1	1	0	69.5 ± 5.8^ab	1.93 ± 0.03^e	26.3 ± 2.3^b	15.9 ± 1.3^b
M1P1	1	1	71.2 ± 6.5^abc	1.83 ± 0.02^cde	29.5 ± 1.8^bc	15.2 ± 0.8^b
M1P1.5	1	1.5	72.6 ± 2.3^bc	1.77 ± 0.01^cd	34.6 ± 2.1^de	15.8 ± 2.2^b
M1P2	1	2	84.0 ± 1.0^ef	1.71 ± 0.02^bc	35.0 ± 0.8^de	14.9 ± 0.7^b
M3	3	0	74.6 ± 2.7^bc	1.88 ± 0.01^de	33.4 ± 4.9^cd	17.0 ± 1.8^b
M3P1	3	1	75.2 ± 3.5^bcd	1.81 ± 0.02^cd	36.8 ± 3.6^e	16.3 ± 2.1^b
M3P1.5	3	1.5	82.4 ± 1.2^def	1.72 ± 0.01^bc	40.6 ± 3.5^fg	17.4 ± 1.3^b
M3P2	3	2	86.6 ± 1.6^f	1.63 ± 0.02^b	42.7 ± 2.0^h	16.9 ± 0.3^b
M5	5	0	74.8 ± 7.1^bc	1.73 ± 0.15^bc	32.3 ± 3.3^cd	16.7 ± 0.6^b
M5P1	5	1	76.2 ± 1.1^bcd	1.63 ± 0.07^b	37.1 ± 0.4^ef	17.2 ± 1.1^b
M5P1.5	5	1.5	78.2 ± 3.9^cde	1.46 ± 0.04^a	39.4 ± 4.7^fg	16.5 ± 1.5^b
M5P2	5	2	85.0 ± 5.9^ef	1.47 ± 0.15^a	40.9 ± 4.5^g	16.6 ± 0.4^b

*Values are given as mean ± standard deviation. Values followed by different letters in the same row are significantly different (p < 0.05), a = the lowest value