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.