Kvasny Prum. 1970; 16(7-8): 167-169 | DOI: 10.18832/kp1970015

Making wine from grapes badly infested by grey mould.Peer-reviewed article

V. ŠVEJCAR, J. RYZÍ

The article deals with the effects of activated carbon and bentonite upon fermentation of must and the quality of final product, i.e. wine. In a series of tests 13 homogenized samples of white burgundy were compared. The best results were obtained by fermenting clean, thorough defecated must. Comparison with reference samples processed  without defecation confirms the importance of defecation as an operation contributing to good taste and fine bouquet of wine. Satisfactory results gave also the treatment of defecated must with bentonite [150 gper 1 hl]. Activated carbon is not suitable for treating must from grapes infested with grey mould, since it cannot be removed by sedimentation and residual amount is high enough to deteriorate the colour  and bouquet of wine. The amount of bentonite should not exceed150 gper 1 hl, since higher doses have negative effects on colour and bouquet.

Keywords: wine, grapes, grey-mold

Published: July 1, 1970