Contribution of different vegetable types to exogenous nitrate and nitrite exposure

被引:63
作者
Correia, Manuela [1 ]
Barroso, Angela [2 ]
Barroso, M. Fatima [1 ,2 ]
Soares, Debora [1 ,2 ]
Oliveira, M. B. P. P. [2 ]
Delerue-Matos, Cristina [1 ]
机构
[1] Inst Super Engn Porto, REQUIMTE, P-4200072 Oporto, Portugal
[2] Univ Porto, Fac Farm, Serv Bromatol, REQUIMTE, P-4099030 Oporto, Portugal
关键词
Nitrate; Nitrite; Vegetables; Dietary exposure; NEW-ZEALAND SPINACH; DIETARY EXPOSURE; LEAFY VEGETABLES; PRODUCTS; LETTUCE; OXALATES; STORAGE; LEVEL; CHINA; TIME;
D O I
10.1016/j.foodchem.2009.11.030
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
This study reports the levels of nitrate and nitrite of 34 vegetable samples, including different varieties of cabbage, lettuce, spinaches, parsley and turnips, collected in several locations of an intensive agricultural area (Modivas, Vila do Conde, northern Portugal). Nitrate levels ranged between 54 and 2440 mg NO3- kg(-1), while nitrite levels ranged between 1.1 and 57 mg NO2- kg(-1). The maximum residue levels established for nitrate in spinach and lettuce samples were not exceeded. Nitrate and nitrite levels reported in the literature for the same type of samples are reviewed, as well as the contribution of vegetables to nitrate and nitrite dietary exposure of populations. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:960 / 966
页数:7
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