Table 1. Changes of color value in dried Pleurotus eryngii by different drying methods

Drying methods Hunter value1)
L* a* b*
Control 91.91±0.882)a3) -0.44±0.13ab 8.90±0.21e
Sun-drying 90.06±0.86a 0.08±0.13a 13.26±0.74cd
Hot-air drying 40 91.52±0.09a -1.12±0.11c 14.27±0.68bc
50 92.22±0.94a -1.85±0.11d 14.18±0.11bc
60 91.77±0.65a -1.52±0.28cd 12.88±0.94cd
Low temperature vacuum drying 20 91.63±0.45a -0.94±0.10bc 12.86±0.19cd
25 91.17±0.63a -0.99±0.14bc 13.93±0.13bc
30 86.25±0.21b -1.14±0.11c 17.55±1.50a
Heat pump dehumidifying drying 30 85.55±0.63b -1.34±0.14cd 16.88±0.20ab
40 90.44±0.81a -0.15±0.27a 14.10±0.54bc
50 83.98±0.12b 0.17±0.53a 19.29±0.82a
Freeze drying 92.00±0.33a -0.89±0.17bc 10.32±1.00de
1)L*, lightness; a*, redness; b*, yellowness.
2)All values represent mean±SD.
3)Means with different letters (a-e) with in a column are significantly different (p<0.05).