Table 2. Physicochemical characteristics of hot-air dried Actinidia arguta by various pretreatment of osmotic dehydration
| Sample1) | Physicochemical characteristics |
| Crude protein (%) | L*4) | a* | b* | Total soluble solids (°Brix) | pH |
| CONT | 3.90±0.142)ab3) | 47.03±3.08de | -1.45±0.60ab | 25.52±1.50de | 10.20±0.00a | 3.69±0.02e |
| SUC3O | 3.93±0.46ab | 46.96±3.84de | -1.15±0.85bc | 24.73±2.36cd | 11.07±0.06b | 3.59±0.01a |
| SUC3X | 3.67±0.87ab | 46.08±2.09cd | -1.04±0.38bc | 24.22±2.28cd | 11.73±0.12c | 3.68±0.01de |
| SUC5O | 3.42±0.54a | 48.99±2.72e | -1.79±0.57a | 26.59±1.99e | 13.17±0.06d | 3.64±0.01c |
| SUC5X | 3.82±0.23ab | 46.09±3.68cd | -0.78±1.18cd | 25.17±2.66cde | 11.13±0.06b | 3.66±0.02cde |
| SOR3O | 3.86±0.18ab | 44.02±3.82bc | -1.21±0.53abc | 23.56±3.07bc | 11.93±0.06c | 3.63±0.01bc |
| SOR3X | 5.02±0.63b | 41.13±3.59a | -0.29±1.51d | 22.02±1.67ab | 14.97±0.58f | 3.69±0.05e |
| SOR5O | 4.00±0.30ab | 41.09±2.97a | -0.61±1.05cd | 21.91±2.64a | 14.40±0.35e | 3.65±0.01cd |
| SOR5X | 3.14±1.69a | 42.26±2.13ab | -1.09±0.76bc | 22.36±1.64ab | 14.53±0.31e | 3.60±0.01ab |
CONT, no treatment; SUC3O, sucrose 50 °Brix solution with ascorbic acid 2% in 30; SUC3X, sucrose 50 °Brix solution in 30; SUC5O, sucrose 50 °Brix solution with ascorbic acid 2% in 55; SUC5X, sucrose 50 °Brix solution in 55; SOR3O, sorbitol 50 °Brix solution with ascorbic acid 2% in 30; SOR3X, sorbitol 50 °Brix solution in 30; SOR5O, sorbitol 50 °Brix solution with ascorbic acid 2% in 55; SOR5X, sorbitol 50 °Brix solution in 55.
Values are mean±SD (crude protein, total soluble solids and pH; n=3, L*, a* and b*; n=18).
Values followed by different uppercase letter (a-f) within a column are significantly different at p<0.05 based on Duncan’s multiple rage test.
L*, lightness; a*, redness; b*, yellowness.