title: Oxoester oxidoreductase activities in new isolates of Pichia anomala from apple, grape and cane juices.
abstract: 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%).
authors.affiliation: Instituto Tecnológico de Veracruz-UNIDA, Av. Miguel A. de Quevedo #2779, Veracruz, Ver. 91897, México.
authors.forename: Francisco
authors.initials: F
authors.lastname: Pérez-Mendoza
authors.forename: Francisco
authors.initials: F
authors.lastname: Ruiz-Terán
authors.forename: Blanca Escudero
authors.initials: BE
authors.lastname: Abarca
authors.forename: Arturo
authors.initials: A
authors.lastname: Navarro-Ocaña
authors.forename: Guadalupe
authors.initials: G
authors.lastname: Aguilar-Uscanga
authors.forename: Gerardo
authors.initials: G
authors.lastname: Valerio-Alfaro
mesh_terms: D001628:Beverages / Q000382:microbiology*; D004952:Esters / Q000378:metabolism*; D007773:Lactates / Q000378:metabolism; D027845:Malus / Q000382:microbiology*; D010088:Oxidoreductases / Q000378:metabolism*; D010843:Pichia / Q000201:enzymology* / Q000302:isolation & purification; D011773:Pyruvates / Q000378:metabolism; D012440:Saccharomyces / Q000201:enzymology / Q000378:metabolism; D031786:Saccharum / Q000382:microbiology*; D013237:Stereoisomerism; D027843:Vitis / Q000382:microbiology*
chemical_list: D004952:Esters; D007773:Lactates; D011773:Pyruvates; C046522:ethyl pyruvate; D010088:Oxidoreductases; C015866:ethyl lactate