Table 2 Contents of total acid and pH value of Aronia melanocarpa juice treated with 0.1 % of concentration at 50°C for 120 min

	Non-treated	Rapidase C80 MAX	Plantase TCL	Rapidase PRESS L
Total acidity (%)	1.05±0.121)d2)	1.14±0.11b	1.09±0.21c	1.23±0.03a
pH	3.91±0.11a	3.92±0.22a	3.89±0.12b	3.93±0.21a

The values were expressed as mean±SD (n=3).
^a-dMeans with different superscript with the column are significantly difference (p<0.05).