Production of melatonin by Saccharomyces strains under growth and fermentation conditions

:  Melatonin is a bioactive compound that is present in wine because it is contained in vinification grapes and synthesized by yeast during alcoholic fermentation. The purpose of this study was to determine the capacity of various Saccharomyces strains to form melatonin during its growth and alcohol...

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Bibliographic Details
Published in:Journal of pineal research 2012-10, Vol.53 (3), p.219-224
Main Authors: Rodriguez-Naranjo, María Isabel, Torija, María Jesús, Mas, Albert, Cantos-Villar, Emma, Garcia-Parrilla, María del Carmen
Format: Article
Language:English
Subjects:
bioactive
Culture Media
Fermentation
indoleamine
melatonin
Melatonin - biosynthesis
Saccharomyces
Saccharomyces cerevisiae
Saccharomyces cerevisiae - growth & development
Saccharomyces cerevisiae - metabolism
Vitaceae
Wine
yeast
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Summary::  Melatonin is a bioactive compound that is present in wine because it is contained in vinification grapes and synthesized by yeast during alcoholic fermentation. The purpose of this study was to determine the capacity of various Saccharomyces strains to form melatonin during its growth and alcoholic fermentation. A selection of yeasts including six S. cerevisiae (Lalvin CLOS, Lalvin ICV‐D254, Enoferm QA23 Viniferm ARM, Viniferm RVA, and Viniferm TTA), one S. uvarum (Lalvin S6U) and one S. cerevisiae var. bayanus (Uvaferm BC) were tested to determine whether they produce melatonin in yeast extract peptose dextrose and synthetic must media in a variety of conditions. Two S. cerevisiae strains (ARM, and QA23), the S. uvarum and the S. cerevisiae var. bayanus, synthesized melatonin. The conditions in which they did so, however, were different: the QA23 strain produced melatonin best in a medium with a low concentration of reducing sugars and Lalvin S6U and Uvaferm BC required a synthetic must under fermentation conditions. Melatonin synthesis largely depended on the growth phase of the yeasts and the concentration of tryptophan, reducing sugars and the growth medium. These results indicate that melatonin may have a role as a yeast growth signal molecule.
ISSN:0742-3098
1600-079X
DOI:10.1111/j.1600-079X.2012.00990.x