Effect of Coating and Coated Paperboard Packaging on the Quality of Grapes and Apple during Storage

Table 2

TSS, TA, and pH of AVG- and PWB-coated apples.

Parameter	Treatment	Storage (day)
		0	7	15	21	28	35
TSS (°Brix)	Control	13.00 ± 0.70^Ae	14.73 ± 0.35^Ad	15.56 ± 0.31^Ad	16.95 ± 0.21^Ac	17.90 ± 0.30^Ab	19.90 ± 0.70^Aa
	AVG-coated apples	13.17 ± 0.35^Ae	14.23 ± 0.25^ABd	14.77 ± 0.35^Bd	15.90 ± 0.20^Bc	16.93 ± 0.45^Bb	18.300 ± 0.20^Ba
	PWB-coated apples	13.22 ± 0.27^Af	14.01 ± 0.19^Be	14.44 ± 0.15^Bd	15.13 ± 0.25^Cc	15.87 ± 0.15^Cb	16.33 ± 0.15^Ca
TA (%)	Control	0.46 ± 0.05^Aa	0.31 ± 0.02^Ab	0.21 ± 0.03^Cc	0.16 ± 0.02^Bd	0.11 ± 0.02^Be	0.10 ± 0.12^Be
	AVG-coated apples	0.47 ± 0.06^Aa	0.37 ± 0.05^Ab	0.27 ± 0.02^Ac	0.19 ± 0.03^Bd	0.15 ± 0.03^Ad	0.13 ± 0.02^Ad
	PWB-coated apples	0.46 ± 0.04^Aa	0.35 ± 0.03^Ab	0.28 ± 0.01^Ac	0.28 ± 0.015^Ac	0.17 ± 0.02^Ad	0.15 ± 0.02^Ad
pH	Control	4.20 ± 0.10^Af	4.42 ± 0.07^Ae	4.52 ± 0.04^Ad	4.67 ± 0.05^Ac	4.80 ± 0.03^Ab	4.94 ± 0.03^Aa
	AVG-coated apples	4.21 ± 0.03^Ae	4.34 ± 0.05^ABd	4.44 ± 0.07^ABc	4.54 ± 0.06^Bb	4.58 ± 0.03^Bb	4.71 ± 0.02^Ba
	PWB-coated apples	4.18 ± 0.51^Ae	4.30 ± 0.03^Bd	4.38 ± 0.01^Bc	4.40 ± 0.01^Cc	4.45 ± 0.015^Cb	4.51 ± 0.03^Ca

Note. The data are presented as mean ± SD. Values with different superscript lowercase letters within a row and uppercase letters within a column are statistically significant from each other ().