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Titolo:
Conversion of methionine to methional by Lactococcus lactis
Autore:
Amarita, F; Fernandez-Espla, D; Requena, T; Pelaez, C;
Indirizzi:
CSIC, Inst Frio, Dept Sci & Technol Dairy Prod, E-28040 Madrid, Spain CSIC Madrid Spain E-28040 ci & Technol Dairy Prod, E-28040 Madrid, Spain
Titolo Testata:
FEMS MICROBIOLOGY LETTERS
fascicolo: 1, volume: 204, anno: 2001,
pagine: 189 - 195
SICI:
0378-1097(20011016)204:1<189:COMTMB>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
FLAVOR COMPOUND FORMATION; AMINO-ACIDS; PYRUVATE DECARBOXYLASE; POTENT ODORANTS; AROMA COMPOUNDS; CHEDDAR CHEESE; AMINOTRANSFERASE; PURIFICATION; COMPONENTS; BACTERIA;
Keywords:
methionine decarboxylation; methional; Lactococcus lactis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
30
Recensione:
Indirizzi per estratti:
Indirizzo: Pelaez, C CSIC, Inst Frio, Dept Sci & Technol Dairy Prod, Ciudad Univ, E-28040 Madrid, Spain CSIC Ciudad Univ Madrid Spain E-28040 iv, E-28040 Madrid, Spain
Citazione:
F. Amarita et al., "Conversion of methionine to methional by Lactococcus lactis", FEMS MICROB, 204(1), 2001, pp. 189-195

Abstract

Lactic acid bacteria were screened for methional production from 4-methylthio-2-ketobutanoate. Only Lactococcus lactis IFPL730 produced high amounts of methional. It was demonstrated that production of this compound was an exclusively enzymatic reaction. The present work describes for the first time that L. lactis can convert enzymatically methionine to methional in a process mediated by aminotransferase and alpha -ketoacid decarboxylase activities. The activity seems to be strain dependent. (C) 2001 Federation of European Microbiological Societies. Published by Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/11/20 alle ore 14:49:52