Untreated and Treated, Pumpkin Juice Samples Sucrose Glucose Fructose Maltose Lactose
Fresh PJ – Control 46.27 104.24 55.54 57.68 25.53
Incubated PJ at 55°C for 3 hr 41.57 67.77 90.92 94.91 125.04
Water 2 min. PJ 39.85 70.85 99.84 115.92 129.05
Steam 2 min. PJ 36.46 98.66 88.73 30.72 48.24
Microwave P10 – 60 sec. PJ 46.39 101.87 46.81 58.68 56.49
Cellulase 50 Unit PJ 35.47 103.49 101.39 32.8 -
Α-amylase 10 Unit PJ 45.59 70.35 61.05 - -
Table 5: Effect of enzymes pre-treatments and incubation on different parameters of color characteristics and non-enzymatic browning (A 420 nm) of pumpkin juice.