Table 2. Properties of the films formulations with different contents of ERP and CNCs.

FilmFormulations	Aw	M (%)	TPC (mg AG/gof film)	WVP×10−8(gH2O.µg/m2.h.mmHg)	Mechanical properties
					E (Mpa)	σ (Mpa)	ε (%)
C0	0.522±0.002	11,01±0,97	0.00	4.16±0.07	107.20±9.43	3.70±0.34	68.00±5.67
C1	0.462±0.002	10,61±0,67	0.00	1.86±0.06	296.20±14.86	7.80±0.45	22.80±5.22
C2	-	-	-	1.00–1.50	102.0–240.0	6.9–16.0	100.0–800.0
F1	0.487±0.004	10,23±1,09	68.42±1.09	2.43±0.02	217.80±32.51	5.40±0.89	52.80±6.10
F2	0.441±0.003	9,55±0,98	64.53±0.41	1.77±0.04	257.20±44.06	6.20±0.84	46.80±5.02
F3	0.488±0.004	10,08±0,73	86.32±0.48	2.47±0.01	190.80±42.76	4.40±0.55	54.00±7.35
F4	0.439±0.006	10,43±1,49	83.68±0.39	1.77±0.03	264.00±38.12	6.00±1.41	48.80±8.90
F5	0.466±0.003	11,46±0,91	61.28±0.56	2.42±0.03	221.40±19.51	5.20±0.84	52.00±8.60
F6	0.471±0.009	10,75±0,67	98.33±0.44	1.95±0.03	237.00±34.66	5.40±0.55	50.00±7.35
F7	0.494±0.004	10,09±1,07	83.24±0.97	3.10±0.07	122.40±8.73	4.00±0.71	66.00±6.93
F8	0.438±0.002	9,38±0,55	79.44±0.71	1.71±0.05	290.20±58.52	8.00±0.71	26.40±6.54
F9 a	0.464±0.001	11,27±0,76	81.15±0.78	2.06±0.03	246.60±32.44	7.20±0.84	33.20±7.69
F10 a	0.464±0.001	11,44±1,53	82.26±0.15	2.11±0.01	247.00±34.73	7.20±1.64	33.60±8.05
F11 a	0.471±0.004	11,60±1,38	82.18±0.59	2.07±0.03	246.20±15.35	7.20±1.30	33.60±9.21

^a central points; C0 = cassava starch films without propolis and cellulose nanocrystals; C1 = cassava starch films without propolis; C2 = polyethylene film [35]; Aw = water activity; M = moisture; TPC = total phenolic compounds; WVP = water vapor permeability; E = elastic modulus; σ = tensile strength; ε = elongation at break; ERP = extract of the red propolis; CNCs = licuri cellulose nanocrystals.