Universal acidity - conductivity relations in commercial bulk starter production

Hancock, Nigel and McKinnon, L. and Maxwell, Andrew Douglas (2006) Universal acidity - conductivity relations in commercial bulk starter production. Australian Journal of Dairy Technology, 61 (2). pp. 189-192. ISSN 0004-9433

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Official URL: http://diaa.asn.au/publications/australian-journal-of-dairy-technology/search-results/45/keyword/=/m/=2/y/=2006/author/=/2/results.aspx

Abstract

Results from the application of novel high-precision conductivity measurement to the preparation of bulk starter indicates that there exists: a universal relationship between change in conductivity and change in pH; and a universal and close-to-linear relationship between change in conductivity and titratable acidity. These results are supported by a simple numerical model of the Ca2+, PO4 3-, HPO4 2- and H2PO4- equilibria for standardised milks up to the point of complete solubilisation of the colloidal calcium phosphate.

Item Type:Article (Commonwealth Reporting Category C)
Additional Information:Deposited with permission of publisher. Published version of paper supplied by Publisher.
Uncontrolled Keywords:bulk starter; acidity measurement; conductivity measurement; fermentation processes
Fields of Research (FOR2008):10 Technology > 1003 Industrial Biotechnology > 100303 Fermentation
03 Chemical Sciences > 0301 Analytical Chemistry > 030102 Electroanalytical Chemistry
09 Engineering > 0908 Food Sciences > 090802 Food Engineering
Subjects:290000 Engineering and Technology > 290100 Industrial Biotechnology and Food Sciences > 290102 Food Engineering
Socio-Economic Objective (SEO2008):B Ecomonic Development > 83 Animal Production and Animal Primary Products > 8305 Primary Animal Products > 830507 Unprocessed or Minimally Processed Milk
ID Code:1624
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Deposited On:11 Oct 2007 10:48
Last Modified:05 Oct 2011 10:34

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