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Glycerol and other fermentation products of apiculate wine yeasts.

Authors
  • Romano, P
  • Suzzi, G
  • Comi, G
  • Zironi, R
  • Maifreni, M
Type
Published Article
Journal
Journal of applied microbiology
Publication Date
May 01, 1997
Volume
82
Issue
5
Pages
615–618
Identifiers
PMID: 9172403
Source
Medline
License
Unknown

Abstract

Ninety-six strains of apiculate wine yeasts were studied for their ability to produce glycerol, acetaldehyde, ethyl acetate, sulphur dioxide and hydrogen sulphide in synthetic medium. Hanseniaspora guilliermondii produced smaller quantities of glycerol, acetaldehyde and hydrogen sulphide than Kloeckera apiculata, whereas the production of ethyl acetate and sulphur dioxide was found to be similar. Strains characterized by different capacities and properties were found for both species. The existence of apiculate strains differing in secondary compound production is of technological interest, as these yeasts constitute potential flavour producers. Selected strains of apiculate yeasts might favour an enhanced flavour formation and yield desirable characteristics to the final product.

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