Table 1. Physical properties of the PLA films with different amounts of lemongrass oil

Lemongrass oil (%)	Thickness (mm)	Tensile Strength (MPa)	Elongation (%)	WVP (10⁻⁹ g m/m² s Pa)
0	0.09±0.02^a	31.99±4.91^a	205.9±14.2^a	0.35±0.09^c
1	0.10±0.03^a	25.11±3.26^b	115.4±9.9^b	0.44±0.05^bc
2	0.11±0.02^a	20.30±3.22^b	85.0±11.3^c	0.53±0.07^b
3	0.13±0.02^a	12.19±2.31^c	22.0±5.4^d	0.74±0.08^a