Table 2.

Shelf-life prediction of Ocimum basilicum, Origanum vulgare and Camellia sinensis extract spray/dip coated pear slices in relation to changes in color parameters at 4 °C

Edible coating	Color parameters	Regression equation	R2	PSL (days)
Control	L*	ln(1−f) = 0.16(1/T) + 5.27	0.97	16.00
	ΔE	ln(1−f) = 0.10(1/T) + 4.88	0.93	17.79
O. basilicum-S	L*	ln(1−f) = 0.05(1/T) + 7.91	0.89	28.85
	ΔE	ln(1−f) = 0.05(1/T) + 3.76	0.96	26.12
C. sinensis-S	L*	ln(1−f) = 0.11(1/T) + 2.72	0.92	28.63
	ΔE	ln(1−f) = 0.09(1/T) + 4.58	0.95	27.96
O. vulgare-S	L*	ln(1−f) = 1.17(1/T) + 8.11	0.96	27.23
	ΔE	ln(1−f) = 1.80(1/T) + 7.82	0.94	25.87
O. basilicum-D2	L*	ln(1−f) = 2.55(1/T) + 13.16	0.87	25.66
	ΔE	ln(1−f) = 2.26(1/T) + 16.72	0.90	24.74
C. sinensis-D2	L*	ln(1−f) = 0.03(1/T) + 8.94	0.97	26.22
	ΔE	ln(1−f) = 0.02(1/T) + 5.04	0.95	26.96
O. vulgare-D2	L*	ln(1−f) = 0.11(1/T) + 3.18	0.93	25.15
	ΔE	ln(1−f) = 0.14(1/T) + 7.93	0.92	23.75
O. basilicum-D4	L*	ln(1−f) = 0.12(1/T) + 4.08	0.96	23.01
	ΔE	ln(1−f) = 0.17(1/T) + 2.57	0.97	21.28
C. sinensis-D4	L*	ln(1−f) = 0.09(1/T) + 3.22	0.91	23.37
	ΔE	ln(1−f) = 0.09(1/T) + 4.72	0.93	24.80
O. vulgare-D4	L*	ln(1−f) = 0.14(1/T) + 2.40	0.95	22.62
	ΔE	ln(1−f) = 0.22(1/T) + 3.57	0.97	23.07
O. basilicum-D6	L*	ln(1−f) = 0.65(1/T) + 5.76	0.94	24.17
	ΔE	ln(1−f) = 0.51(1/T) + 3.22	0.91	21.13
C. sinensis-D6	L*	ln(1−f) = -0.08(1/T) + 3.86	0.88	23.04
	ΔE	ln(1−f) = -0.04(1/T) + 4.35	0.95	22.08
O. vulgare-D6	L*	ln(1−f) = -0.02(1/T) + 1.09	0.91	20.73
	ΔE	ln(1−f) = -0.08(1/T) + 3.86	0.95	21.71

R², Coefficient of Determination; PSL, Predicted Shelf-life; S, Spray; D2, Dip 2 min; D4, Dip 4 min; D6, Dip 6 min; L*, Lightness; ΔE, Total color change.