BIOMETRIC STUDY OF ACETOIN PRODUCTION IN HANSENIASPORA-GUILLIERMONDII AND KLOECKERA-APICULATA

被引：41

作者：

ROMANO, P ^{[1
]}

SUZZI, G ^{[1
]}

ZIRONI, R ^{[1
]}

COMI, G ^{[1
]}

机构：

[1] UNIV UDINE,DIPARTIMENTO SCI ALIMENTI,I-33100 UDINE,ITALY

来源：

APPLIED AND ENVIRONMENTAL MICROBIOLOGY | 1993年 / 59卷 / 06期

关键词：

D O I：

10.1128/AEM.59.6.1838-1841.1993

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Gas chromatographic analysis by direct injection of samples yielded quantitative data on acetoin content. Ninety-six strains of Hanseniaspora guilliermondii and Kloeckera apiculata were investigated for the ability to produce acetoin in synthetic medium and in must. High-level production of acetoin was found to be a characteristic of both species. In synthetic medium, the two species were not significantly different with respect to sugar utilization and ethanol or acetoin production. In grape must, the two species were significantly different (P = 0.001) in acetoin production and K. apiculata exhibited a significantly negative correlation between acetoin production and either sugar consumption or ethanol production. Use of selected apiculate yeasts in mixed cultures with Saccharomyces cerevisiae seems promising for optimization of wine bouquet.

引用

页码：1838 / 1841

页数：4

共 34 条

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