Pulque, a Traditional Mexican Alcoholic Fermented Beverage: Historical, Microbiological, and Technical Aspects
REVIEW published: 30 June 2016 doi: 10.3389/fmicb.2016.01026 Pulque, a Traditional Mexican Alcoholic Fermented Beverage: Historical, Microbiological, and Technical Aspects Adelfo Escalante 1*, David R. López Soto 1, Judith E. Velázquez Gutiérrez 2, Martha Giles-Gómez 3, Francisco Bolívar 1 and Agustín López-Munguía 1 1 Departamento de Ingeniería Celular y Biocatálisis, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico, 2 Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, Mexico, 3 Vagabundo Cultural, Atitalaquia, Mexico Pulque is a traditional Mexican alcoholic beverage produced from the fermentation of the fresh sap known as aguamiel (mead) extracted from several species of Agave (maguey) plants that grow in the Central Mexico plateau. Currently, pulque is produced, sold and consumed in popular districts of Mexico City and rural areas. The fermented product is a milky white, viscous, and slightly acidic liquid beverage with an alcohol content between 4 and 7◦ GL and history of consumption that dates back to pre-Hispanic times. In this contribution, we review the traditional pulque production Edited by: process, including the microbiota involved in the biochemical changes that take place Jyoti Prakash Tamang, Sikkim University, India during aguamiel fermentation. We discuss the historical relevance and the benefits of Reviewed by: pulque consumption, its chemical and nutritional properties, including the health benefits Matthias Sipiczki, associated with diverse lactic acid bacteria with probiotic potential isolated from the University of Debrecen, Hungary Giulia Tabanelli, beverage. Finally, we describe the actual status of pulque production as well as the social, Università di Bologna, Italy scientific and technological challenges faced to preserve and improve the production of *Correspondence: this ancestral beverage and Mexican cultural heritage.
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