Acidogenic potential of soy and bovine milk beverages

Soy beverages are water extracts of whole soybeans and are often promoted as a healthy alternative to bovine milk. Little analysis has been carried out to determine the effects of soy beverages on oral health, especially their potential acidogenicity. The aim of this study was to determine the poten...

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Vydané v:Journal of dentistry Ročník 40; číslo 9; s. 736 - 741
Hlavní autori: Dashper, S.G., Saion, B.N., Stacey, M.A., Manton, D.J., Cochrane, N.J., Stanton, D.P., Yuan, Y., Reynolds, E.C.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: England Elsevier Ltd 01.09.2012
Elsevier Limited
Predmet:
Acidogenicity
Acids - metabolism
Animals
Bacteriological Techniques
Beverages
Buffer capacity
Buffers
Calcium
Calcium - analysis
Cattle
Dental caries
Dentistry
Fermentation
Fluorides - analysis
Hydrogen-Ion Concentration
Microbiology
Milk
Milk - chemistry
Milk - metabolism
Phosphate
Phosphates - analysis
Solubility
Soy Milk - chemistry
Soy Milk - metabolism
Soy products
Streptococcus mutans
Streptococcus mutans - metabolism
Temperature
Time Factors
Calcium
Acidogenicity
Phosphate
Buffer capacity
Streptococcus mutans
ISSN:0300-5712, 1879-176X, 1879-176X
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Shrnutí:Soy beverages are water extracts of whole soybeans and are often promoted as a healthy alternative to bovine milk. Little analysis has been carried out to determine the effects of soy beverages on oral health, especially their potential acidogenicity. The aim of this study was to determine the potential acidogenicity of a range of soy and bovine milk beverages. In vitro acid production by Streptococcus mutans was measured in soy and milk beverages at a constant pH of 6.5 or 5.5, as was the fall in pH over a 10min period. The acid buffering capacity and calcium and phosphate concentrations (total and soluble) of the beverages were also determined. The rate of acid production by S. mutans in the milk beverages was five to six times lower at pH 6.5 than in the soy beverages and three to five times lower at pH 5.5. Whilst the pH fall in the presence of S. mutans over 10min was negligible in the milk beverages there was a significant decrease in pH in the soy beverages. This was also reflected in the lower buffering capacity of the soy beverages. The levels of soluble calcium in the soy beverages were lower than those in the milk beverages although total calcium contents were similar. Soy beverages have a higher potential acidogenicity than bovine milk beverages. Patients consider soy beverages to be a healthy, low cariogenic alternative to other beverages, including bovine milk. This study shows that soy beverages have a higher potential acidogenicity than bovine milk and therefore may have a greater potential cariogenicity.
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ISSN:0300-5712
1879-176X
1879-176X
DOI:10.1016/j.jdent.2012.05.004