Table 6. Changes in the color of grapes during the storage of phytoncide treatment derived from pine bark

Storage period (day) Control Sulfur dioxide Pad Phytoncide pad 1 Phytoncide pad 2
L 0 21.63±0.24c1) 24.30±0.01e 24.20±3.08c 22.07±0.05c
3 25.35±1.21b 25.48±0.51d 26.60±1.35b 26.30±2.54b
6 26.60±0.22b 28.10±0.22c 27.82±0.11ab 26.83±0.39b
9 27.33±0.34a 29.83±0.20b 29.03±0.88ab 27.75±3.12ab
12 28.15±1.34a 31.67±0.31a 30.05±0.22a 30.50±0.07a
a 0 0.40±0.38b 0.45±0.05d 0.17±0.05d 0.30±0.07c
3 0.48±0.36b 3.25±0.05c 1.88±0.51c 0.54±0.25c
6 0.67±0.25b 4.73±0.17b 2.73±0.31b 0.83±0.18b
9 0.73±0.09b 7.52±1.21a 3.18±0.20ab 0.87±0.05b
12 3.33±0.12a 8.82±0.13a 3.38±0.04a 2.23±0.09a
b 0 -1.77±0.09b -2.47±0.05c -1.73±0.05d -0.73±0.05a
3 -1.36±0.05b -1.78±0.05bc -0.30±0.12c -1.00±0.34b
6 -0.76±0.15a -0.52±0.04ab 0.65±0.21b -1.23±0.04b
9 -0.75±0.17a -0.50±0.08ab 0.83±0.04b -1.35±0.05c
12 -0.70±0.12a 0.23±0.05a 1.18±0.08a -1.42±0.47c
1)a-bMeans within column with different superscripts are significantly different (p<0.05).