Table 1. Browning index and clarity of osmotically extracted syrup from peel of
Citrus junos
in relation to freezing pretreatment
Freezing pretreatment
Non-frozen
−20°C
−70°C
Browning index (abs at 420 nm)
1.20±0.11
b
1)
2.00±0.10
a
2.03±0.26
a
Clarity (% transmittance at 650 nm)
95.31±1.32
a
77.90±3.19
b
78.74±8.61
b
Values represent the mean±standard deviation (n=3). Means within each row followed by different letters are significantly different at p<0.05.