Nitrate and nitrite in vegetables from north China: content and intake
Titel:
Nitrate and nitrite in vegetables from north China: content and intake
Auteur:
Zhong, Weike Hu, Changmin Wang, Minjiang
Verschenen in:
Food additives and contaminants. Pt. A, Chemistry, analysis, control, exposure & risk assessment
Paginering:
Jaargang 19 (2002) nr. 12 pagina's 1125-1129
Jaar:
2002-12-01
Inhoud:
The contents of nitrate and nitrite in potato, cabbage, Chinese cabbage, scallion (shallot), celery, cucumber, tomato, eggplant and wax gourd taken from the north China market from 1998 to 1999 were determined. These vegetables provide the major contribution to the nitrate intake from the diet. The highest content of nitrate was found in celery followed by Chinese cabbage, cabbage, scallion, wax gourd and eggplant. For all the products, a great variation in the content of nitrate was found. Generally, the nitrite content was low. The average intake of nitrate and nitrite from these vegetables was estimated as approximately 422.8 and 0.68 mg day -1 , respectively.