RT Journal Article SR Electronic T1 Effects of Insoluble Solids Added to Clarified Musts on Fermentation Rate, Wine Composition, and Wine Quality JF American Journal of Enology and Viticulture JO Am J Enol Vitic. FD American Society for Enology and Viticulture SP 112 OP 119 DO 10.5344/ajev.1978.29.2.112 VO 29 IS 2 A1 Marge Groat A1 C. S. Ough YR 1978 UL http://www.ajevonline.org/content/29/2/112.abstract AB Various insoluble solids added to clarified grape juice caused fermentations to finish faster and more completely than in control samples. The critical level of insoluble solids in grape juice is between 0.1 and 0.5% (v/v), below which fermentation was slower and above which it was little affected. Volatile esters and fusel oils generally increased with increasing solids. Wine quality was not degraded by the various artificial solids added.