Hi Phil;
Yes I think you are probably right - see second sentence in this study. --
Marilyn
The effect of water, ascorbic acid, and cranberry derived supplementation on
human urine and uropathogen adhesion to silicone rubber.
Habash MB, Van der Mei HC, Busscher HJ, Reid G.
Department of Microbiology and Immunology, University of Western Ontario
Health Sciences Centre, London, Canada.
In this study, urine was collected from groups of volunteers following the
consumption of water, ascorbic acid, or cranberry supplements. Only ascorbic
acid intake consistently produced acidic urine. Photospectroscopy data
indicated that increased water consumption produced urine with lower protein
content. Surface tension measurements of the collected urine showed that
both water and cranberry supplementation consistently produced urine with
surface tensions higher than the control or urine collected following
ascorbic acid intake. These urine samples were also employed to study
uropathogen adhesion to silicone rubber in a parallel plate flow chamber.
Urine obtained after ascorbic acid or cranberry supplementation reduced the
initial deposition rates and numbers of adherent Escherichia coli and
Enterococcus faecalis, but not Pseudomonas aeruginosa, Staphylococcus
epidermidis, or Candida albicans. Conversely, urine obtained from subjects
with increased water intake vastly increased the initial deposition rates
and numbers of adherent E. coli and E. faecalis (P < 0.05).
----- Original Message -----
From: "Paleo Phil" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, March 13, 2007 6:09 PM
Subject: Re: Cranberry Juice
> Interesting report, Marilyn, thanks. It does call into question the
> acidifying effect of cranberries, but notice that the reports' authors
> don't
> think it was the water that acidified the urine--they pointed to possible
> "subtle dietary changes when subjects were drinking the fluids."
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