[Water activity and food stability. I. Effects on viability of Saccharomyces cerevisiae cells (author's transl)]

[Water activity and food stability. I. Effects on viability of Saccharomyces cerevisiae cells (author's transl)] Research Abstract Details 

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[Water activity and food stability. I. Effects on viability of Saccharomyces cerevisiae cells (author's transl)] Abstract Text:

M E Guerzoni,G Suzzi,C R Lerici,R Bartolini,G Testa,

Biological activity of microorganism is related to water activity (aw). In this paper the effect of glicerol as humectant on Saccharomyces cerevisiae viability was considered. The irreversible loss of viability was observed only for values inferior than 0,75. The K+ presence promoted an increasing of cell viability and growth. We have evaluated the changes of the most important components of cell poll; the increasing of glicerol amount of the system induced a drastic fall of aminoacids, purines and K ions content, but it increased the Na ions content. The exposure of cells to increasing glicerol concentrations, caused an aminoacids and purines excretion related to contact time; after a few hours this material was readsorbed by cells.

[Water activity and food stability. I. Effects on viability of Saccharomyces cerevisiae cells (author's transl)] Publishing Authors By Initials

ME Guerzoni,G Suzzi,CR Lerici,R Bartolini,G Testa,

For similar water research abstracts see: water research

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[Water activity and food stability. I. Effects on viability of Saccharomyces cerevisiae cells (author's transl)] Journal Published:

PUBLICATION TYPE: Journal Article

Journal: S & TA & NU. Rivista di scienza e tecnologia degli

VOLUME: 6

Page Numbers: 295-300

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DAY: 12

MONTH: 02

YEAR: 2008

[Water activity and food stability. I. Effects on viability of Saccharomyces cerevisiae cells (author's transl)] Information

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LANGUAGE: ita

NlmUniqueID: 7702717

[Water activity and food stability. I. Effects on viability of Saccharomyces cerevisiae cells (author's transl)] Keywords Mesh Terms:

KEYWORDS: Water

MESH TERMS: pharmacology

Chemical & Substance for Abstract: [Water activity and food stability. I. Effects on viability of Saccharomyces cerevisiae cells (author's transl)] Information

Substance Name: Water

Registry Number: 7732-18-5

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Country: ITALY

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MEDLINETA: S TA NU

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