加拿大食品标签上的含量的准确性
Kelly Picard1,2, Dani Renouf3, Sarah Draheim4,5
1BC Renal, Island Health Authority, 7-1588 Boundary Cres Nanaimo, Nanaimo, BC V9S 5K8, Canada.
Nutrients
|September 27, 2025
概括
加拿大食品标签上的含量显示出显著的差异,许多产品报告的含量不足. 这影响了需要监测摄入量的个体的饮食选择,例如患有高血症的人.
科学领域:
- 食品科学 食品科学 食品科学
- 营养科学 营养科学
- 公共卫生 公共卫生
背景情况:
- 加拿大于2017年在预包装食品上强制标注.
- 虽然对大多数人有益,但患有高血症的人需要限制摄入量.
- 准确的食品标签对于管理水平至关重要.
研究的目的:
- 评估加拿大预包装食品上标签的准确性.
- 为了比较标记的含量与实际分析值.
- 评估对消费者的影响,特别是那些限制饮食的消费者.
主要方法:
- 标记和分析含量的数据是从加拿大食品检查局 (CFIA) 通过获取信息请求 (2005-2023) 来获得的.
- 配对样本t测试和科恩卡帕被用来比较标记与分析的值.
- 分析包括406种食品,重点关注376种标记和分析数据的食品.
主要成果:
- 在分析和标记含量之间发现了每份15毫克的统计学意义上的平均差异 (p < 0.001).
- 在标记和分析值 (p < 0.001) 之间观察到中等一致性 (科恩卡帕 = 0.376).
- 近70%的产品显示差异超过±10%,其中48.1%的产品报告含量不足,23.9%的产品报告含量过多.
结论:
- 在加拿大,对含量的合规性测试有限,重点是植物性乳制品替代品.
- 很大一部分食品在标签上的含量中表现出不准确的信息.
- 这些标签上的差异可能会阻碍高血症患者准确识别和管理摄入量.
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