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Revista argentina de microbiología

Print version ISSN 0325-7541On-line version ISSN 1851-7617


BUENROSTRO-FIGUEROA, Juan et al. Native yeasts for alternative utilization of overripe mango pulp for ethanol production. Rev. argent. microbiol. [online]. 2018, vol.50, n.2, pp.173-177. ISSN 0325-7541.

Mango fruits (Mangifera indica L.) are highly perishable, causing postharvest losses and producing agroindustrial waste. In the present work, native yeasts were used to evaluate ethanol production in overripe mango pulp. The two isolated strains showed similar sequences in the 18S rDNA region corresponding to Kluyveromyces marxianus, being different to the data reported in the NCBI database. Values of up to 5% ethanol (w/v) were obtained at the end of fermentation, showing a productivity of 4g/l/day, a yield of up to 49% of ethanol and a process efficiency of 80%. These results represent a viable option for using the surplus production and all the fruits that have suffered mechanical injury that are not marketable and are considered as agroindustrial waste, thus achieving greater income and less postharvest losses.

Keywords : Mango fruit; Agroindustrial waste; Kluyveromyces marxianus; Ethanol production.

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