Biosurfactants production by yeasts using sugarcane bagasse hemicellulosic hydrolysate as new sustainable alternative for lignocellulosic biorefineries

P. R.F. Marcelino, G. F.D. Peres, R. Terán-Hilares, F. C. Pagnocca, C. A. Rosa, T. M. Lacerda, J. C. dos Santos, S. S. da Silva

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

72 Citas (Scopus)

Resumen

In this study, sugarcane bagasse hemicellulosic hydrolisate was evaluated as carbon source in biosurfactant production by yeasts. 27 yeasts were screened in culture media based on commercial xylose, non-detoxified and detoxified sugarcane bagasse hydrolysate to select potential strains for BS production with emulsifying and tensoactive properties. Cutaneotrichosporon mucoides UFMG-CM-Y6148 cultured in medium based on detoxified hydrolysate was the best producer of biosurfactant with a volumetric productivity of 0.167 g.L−1. h−1 and highlighted emulsifying properties in kerose as emulsification index higher than 50% and an emulsifying activity of 1.0 EU. mL−1, and its effectiveness was demonstrated over a wide range of temperature, pH and salt concentration. The chromatography and spectrometry analysis demonstrated that the BS produced by C. mucoides UFMG-CM-Y6148 was a sophorolipid. The results obtained in this study demonstrated the successful sustainable prodution of biosurfactant by yeasts in media with hemicellulosic hydrolysate and the viability of these products for biorefineries.

Idioma originalInglés
Páginas (desde-hasta)212-223
Número de páginas12
PublicaciónIndustrial Crops and Products
Volumen129
DOI
EstadoPublicada - mar. 2019
Publicado de forma externa

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