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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

期刊文章

Nitrosamine formation and penetration in hams processed in elastic rubber nettings: N-nitrosodibutylamine and N-nitrosodibenzylamine  [1995]

Pensabene, J.W. (Eastern Regional Research Center, ARS, USDA, Philadelpha, PA.); Fiddler, W.; Gates, R.A.;

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N-Nitrosodibutylamine (NDBA) was previously detected on the outer surface of commercial boneless hams processed in elastic rubber nettings. More recently, N-nitrosodibenzylamine (NDBzA) has been reported in boneless ham products, reflecting a change in the formulation of the rubber used in the manufacture of the nettings. As a result, a study was carried out on the penetration of these two nitrosamines and their secondary amine precursors into hams. Most of the NDBA and NDBzA was detected in the first 0.5 in. from the surface, with a marked drop off (67-75%) after the first 0.25 in., indicating that the nitrosamines were formed at the product surface in contact with the elastic rubber netting. Detectable levels of both nitrosamines were found at a depth of 1.25 in. A gradual rather than a sharp decline was noted for both amines, DBA and DBzA, after the first 0.25 in. A comparison of NDBzA values on the outer surface of the ham versus a center slice was also made
来自期刊
Journal of agricultural and food chemistry (USA)
ISSN : 0021-8561

书目信息

语言:
English
类型:
Journal Article
自何时收录于AGRIS:
1997
卷:
43
期:
7
起始页:
1919
结束页:
1922
所有题名:
"Nitrosamine formation and penetration in hams processed in elastic rubber nettings: N-nitrosodibutylamine and N-nitrosodibenzylamine"@eng
其它:
"references"
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书目信息

语言:
English
类型:
Journal Article
自何时收录于AGRIS:
1997
卷:
43
期:
7
起始页:
1919
结束页:
1922
所有题名:
"Nitrosamine formation and penetration in hams processed in elastic rubber nettings: N-nitrosodibutylamine and N-nitrosodibenzylamine"@eng
其它:
"references"