Download e-book for iPad: Antimicrobials in Food, Third Edition (Food Science and by P. Michael Davidson, John N. Sofos, A. Larry Branen

By P. Michael Davidson, John N. Sofos, A. Larry Branen

ISBN-10: 0824740378

ISBN-13: 9780824740375

ISBN-10: 1420028731

ISBN-13: 9781420028737

Twelve years have handed considering the fact that its final version - making Antimicrobials in meals, 3rd variation the must-have source for these attracted to the newest details on meals antimicrobials. in the course of that point, advanced concerns relating to meals renovation and safeguard have emerged. A dozen years in the past, significant outbreaks of Escherichia coli O157:H7 and Listeria monocytogenes had no longer but happened, buyer and regulatory calls for for superior nutrition defense have been simply surfacing, using certainly happening antimicrobials was once in its infancy, and lysozyme, lactoferrin, ozone, and several compounds weren't licensed to be used in or on meals within the usa. The editors have addressed those modern issues via synthesizing details from the world over famous specialists of their fields. 5 new chapters were further during this most recent unlock, together with the latest information on lysozyme, clearly happening antimicrobials from either animal and plant assets, hurdle expertise techniques, and mechanisms of motion, resistance, and tension edition. present chapters were widely revised to mirror the main suitable learn and data to be had on antimicrobials. Complementing those issues is details at the growth that has been made in deciding on the results and mechanisms of motion concerned about a couple of clearly taking place antimicrobials.

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Extra info for Antimicrobials in Food, Third Edition (Food Science and Technology, Volume 145)

Example text

Uptake rates of benzoic and propanoic acids in cells of Z. bailii were proportional to the concentration of undissociated acid (Warth, 1989a). Benzoic acid was taken up 27 times faster by cells than propanoic acid. Glucose stimulated the rates of uptake and was also required for continuous elimination of benzoate from cells. The principal mechanism of uptake appeared to be diffusion of undissociated acid. Growth of yeasts in the presence of benzoic acid reduced their subsequent permeability to this acid.

Bailii, were observed in any samples containing preservatives. The effects of sodium benzoate and potassium sorbate on the thermal death rates of ascospores from the heat-resistant mold N. , 1998). Comparable rates were noted when each preservative or the combination of both was used in mango juice heated to 85°C. In grape juice, potassium sorbate was more effective than sodium benzoate or their combination. Growth and control of four Salmonella serotypes in a soft Hispanic type cheese were evaluated (Kasrazadeh and Genigeorgis, 1994).

1988). It has been reported to have a flower-inducing effect in plants (Watanabe and Takimoto, 1979). 3), the use of benzoic acid or sodium benzoate as a food preservative has been limited to those products that are acid in nature. 1% of the undissociated acid. 02% undissociated acid, but many spoilage bacteria are much more resistant. Therefore, benzoic acid cannot be relied on to effectively preserve foods capable of supporting bacterial growth (Chichester and Tanner, 1972; Baird-Parker, 1980).

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Antimicrobials in Food, Third Edition (Food Science and Technology, Volume 145) by P. Michael Davidson, John N. Sofos, A. Larry Branen

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