Enzyme treatments Conc. (unit) b* a* L* C* H* BI A 420 nm
Cellulase Fresh 57.5 22.4 45.9 61.7 68.8 686.1 0.214
Enzyme 10 56.1 19 48.2 59.3 71.3 574.7 0.186
50 56.9 19.5 48.2 60.1 71 592.7 0.205
100 55.9 18.9 48.6 59 71.3 560 0.208
α-amylase enzyme Fresh 62.4 25.8 48.6 67.5 67.5 726.8 0.184
5 54.8 18 46.4 57.7 71.8 592.7 0.152
10 51.8 17.2 46.6 54.6 71.6 519 0.166
50 57 19.8 48.5 60.4 70.8 587.4 0.162
Table 6: Effect of pre-treatments (thermal and enzymes) and incubation on sugar compositions of pumpkin juice (sugar profile).