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Occurrence and infant exposure assessment of nitrates in baby foods marketed in the region of Lisbon, Portugal

机译：葡萄牙里斯本地区销售的婴儿食品中硝酸盐的发生和婴儿接触评估

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摘要

Commercial baby food labelled as from organic or conventional origin, including vegetable-based baby foods, fruit purees and fruit juices (n = 80), were analysed for nitrate content by an in-house validated HPLC method. Nitrate contents ranged from 5 to 230 mg kg~(-1) with a mean concentration of 102mg kg~(-1) for vegetable-based baby foods, and a median of 5mg kg~(-1)for both fruit purees and juices. One sample of vegetable-based baby food was higher than the legislated value (200mg kg~(-1)). There were no significant differences between average nitrate levels in analysed samples regarding both farming systems. The estimated nitrate intake through baby foods for a mean nitrate concentration of 47 mgkg~(-1) ranged between 0.5 (15% of ADI) and 1.3 mgkg bw day~(-1) (35% of ADI). The ADI level was exceeded (107-146% of ADI) only for the 95th and 99th percentiles of nitrate concentration.
机译：通过内部验证的HPLC方法分析了标记为有机或常规来源的商业婴儿食品，包括蔬菜类婴儿食品，果泥和果汁（n = 80）。蔬菜类婴儿食品中的硝酸盐含量为5至230 mg kg〜（-1），平均浓度为102mg kg〜（-1），水果泥和果汁的中位数为5mg kg〜（-1）。 。以蔬菜为基础的婴儿食品中有1份高于法律规定的含量（200mg kg〜（-1））。对于两种耕作系统，分析样品中的平均硝酸盐含量之间没有显着差异。婴儿食品中平均硝酸盐浓度为47 mgkg〜（-1）的估计硝酸盐摄入量介于0.5（每天ADI的15％）和1.3 mgkg bw日〜-1（每天ADI的35％）之间。仅在硝酸盐浓度的第95和第99个百分位数时才超过ADI水平（ADI的107-146％）。

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  • 来源
    《Food additives & contaminants》 |2011年第3期|p.218-225|共8页
  • 作者

    Elsa Reis Vasco; Paula Cristina Alvito;

  • 作者单位

    National Health Institute Dr. Ricardo Jorge, Food and Nutrition Department, Lisbon, Portugal;

    National Health Institute Dr. Ricardo Jorge, Food and Nutrition Department, Lisbon, Portugal,Centre for Environment and Marine Studies, University of Aveiro, Aveiro, Portugal;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    nitrate; baby food; organic foods;

    机译：硝酸盐婴儿食品有机食品;

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