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- Title
Diversity of Culturable Yeasts Associated with the Technification Level in the Process of Mezcal Production in the State of Durango.
- Authors
Martínez-Estrada, Sandra Consuelo; Narváez-Zapata, José Alberto; Rodríguez-Herrera, Raúl; Grijalva-Ávila, Julio; Gurrola-Reyes, José Natividad; Larralde-Corona, Claudia Patricia; Chairez-Hernández, Isaías
- Abstract
Durango State has the denomination of origin for the production of mezcal, which is made from Agave durangensis, mainly in an artisanal way; therefore, differences in the fermentation process affect the quality of the final product. The main objective of the present study was to evaluate the diversity of culturable yeasts involved in the artisanal and semi-technified process of mezcal production in the State of Durango. Three distilleries with different production processes were monitored at different fermentation stages (beginning, mid-fermentation, and end of fermentation) in the spring and summer seasons. A greater diversity was found in the distillery of Nombre de Dios in both the spring and summer production seasons (H' = 1.464 and 1.332, respectively), since it maintains an artisanal production process. In contrast, the distillery of Durango, where a Saccharomyces cerevisiae commercial inoculum is used to start fermentation, presented low diversity indexes (H' = 0.7903 and 0.6442) and only S. cerevisiae, Kluyveromyces marxianus, and, sporadically, Pichia manshurica were found. Results suggest that the yeast microbiota involved in mezcal fermentation during the different seasons is affected by the type of inoculum; changes include the presence of some species that were only identified during a specific season in alcoholic fermentation, such as Torulaspora delbrueckii and Pichia kluyveri.
- Subjects
DURANGO (Mexico : State); KLUYVEROMYCES marxianus; MANUFACTURING processes; FERMENTATION; SPRING; SACCHAROMYCES cerevisiae; YEAST; MESCAL
- Publication
Fermentation (Basel), 2024, Vol 10, Issue 3, p147
- ISSN
2311-5637
- Publication type
Article
- DOI
10.3390/fermentation10030147