Oxoester oxidoreductase activities in new isolates of Pichia anomala from apple, grape and cane juices.

Pérez-Mendoza, Francisco; Ruiz-Terán, Francisco; Abarca, Blanca Escudero; Navarro-Ocaña, Arturo; Aguilar-Uscanga, Guadalupe; Valerio-Alfaro, Gerardo

Pérez-Mendoza, Francisco; Ruiz-Terán, Francisco; Abarca, Blanca Escudero; Navarro-Ocaña, Arturo; Aguilar-Uscanga, Guadalupe; Valerio-Alfaro, Gerardo.

Afiliación

Pérez-Mendoza F; Instituto Tecnológico de Veracruz-UNIDA, Av. Miguel A. de Quevedo #2779, Veracruz, Ver. 91897, México.

FEMS Yeast Res ; 5(6-7): 685-90, 2005 Apr.

Article en En | MEDLINE | ID: mdl-15780669

RESUMEN

Thirty-nine yeasts isolated from apple, grape and cane juices were screened for their oxidoreductase activity. The two strains of Pichia, one isolated from apple and one from cane juices, appear to be promising strains for oxidoreductase activity on alpha-oxoesters. They showed similar high yields in converting ethyl pyruvate to ethyl lactate as Saccharomyces spp. (86.6% and 85.3% versus 86.6%), and higher yields in the reduction of alpha-oxocarboxylic esters (ketopantolactone to pantolactone: 74% and 73.3%, respectively) compared to Saccharomyces spp. (yield 60%).

Asunto(s)

Bebidas/microbiología; Ésteres/metabolismo; Malus/microbiología; Oxidorreductasas/metabolismo; Pichia/enzimología; Saccharum/microbiología; Vitis/microbiología; Lactatos/metabolismo; Pichia/aislamiento & purificación; Piruvatos/metabolismo; Saccharomyces/enzimología; Saccharomyces/metabolismo; Estereoisomerismo

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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oxidorreductasas / Pichia / Bebidas / Malus / Vitis / Saccharum / Ésteres Idioma: En Revista: FEMS Yeast Res Asunto de la revista: MICROBIOLOGIA Año: 2005 Tipo del documento: Article Pais de publicación: Reino Unido

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