Selection of yeast starter culture strains for the production of marula fruit wines and distillates

M. Fundira, M. Blom, I. S. Pretorius, P. Van Rensburg*

*Corresponding author for this work

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Juice of the Sclerocarya birrea subsp, caffra (marula) fruit was fermented by indigenous microflora and different commercial Saccharomyces cerevisiae yeast strains at different temperatures, namely, 15 and 30 °C. Volatile acids, esters, and higher alcohols were quantified in the wine and distillates, and the results were interpreted using a multivariate analysis of variance and an average linkage cluster analysis. Significant differences between 15 and 30 °C and also among yeasts with respect to volatile compounds were observed. Yeast strains VIN7 and FC consistently produced wines and final distillates significantly different from the other strains. A panel of tasters and marula and brandy producers was asked to select wines and distillates that had an acceptable and typical marula "nose". They were also asked to detect the differences among wines and distillates fermented with the same yeast strain at different temperatures.

Original languageEnglish
Pages (from-to)1535-1542
Number of pages8
JournalJournal of Agricultural and Food Chemistry
Volume50
Issue number6
DOIs
Publication statusPublished - 13 Mar 2002
Externally publishedYes

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