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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Article de revue

In vitro hydrolysis of phytate at 95 degrees C and the influence of metal ion on the rate  [1993]

Bullock, J.I.; Duffin, P.A.; Nolan, K.B.;

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The in vitro hydrolysis of phytate at 95 degrees C across the pH range 1-12 is reported. The reaction is slow. The first order rate constant varied from 3.98 x 10(-4) min(-1) at pH 1 to 0.28 x 10(-4) min(-1) at pH 12 with a maximal value of 8.74 x 10(-4) min(-1) at pH 4. The reaction is very similar in rate and profile to that of a phosphoric acid ester anion, [(RO)PO3H]. The 12 metal ions tested had little influence on the hydrolysis reaction although the phytate: metal ion ratio was necessarily high because of the insolubility of phytate metal salts at lower ratios.
(Revue
Journal of the science of food and agriculture
ISSN : 0022-5142

Information bibliographique

Langue:
English
Type:
Journal Article
Sur AGRIS depuis:
2013
Volume:
63
Numéro:
2
Page initiale:
261
Page finale:
263
Tous les titres:
"In vitro hydrolysis of phytate at 95 degrees C and the influence of metal ion on the rate"@eng
Autre:
"Includes references"
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Information bibliographique

Langue:
English
Type:
Journal Article
Sur AGRIS depuis:
2013
Volume:
63
Numéro:
2
Page initiale:
261
Page finale:
263
Tous les titres:
"In vitro hydrolysis of phytate at 95 degrees C and the influence of metal ion on the rate"@eng
Autre:
"Includes references"