RT Journal Article SR Electronic T1 The Effect of Two Commercial Pectic Enzymes on Grape Musts and Wines JF American Journal of Enology and Viticulture JO Am J Enol Vitic. FD American Society for Enology and Viticulture SP 208 OP 211 DO 10.5344/ajev.1974.25.4.208 VO 25 IS 4 A1 C. S. Ough A1 H. W. Berg YR 1974 UL http://www.ajevonline.org/content/25/4/208.abstract AB Two pectin-splitting commercial enzyme preparations were tested with fresh musts. No difference in the enzymes were noted. About 15% increase in juice yield, increased filterability and clarity, and no browning were found for white juices. Slightly less sensory quality was found for the treated samples with these enzymes. Rosé and red musts showed slight increases in juice yield and color. Sensory values were lower for the treatment of the rosé but not different from the control for the reds.