杭州市富阳区主要农产品硒含量分析及食用安全性评价

Analysis of the selenium content in agricultural products and evaluation its edible safety in Fuyang district in Hangzhou

目的 评价杭州市富阳区居民农产品硒营养水平与食用安全性。方法 采用随机多点布局选取富阳区主要农产品,用超高压微波消解-电感耦合等离子体质谱法测定其硒元素含量及形态,幵以富阳区居民膳食硒摄入量来评价富阳区农产品硒营养水平与食用安全性。结果 富阳区主要农产品中硒含量在2.01～241.43μg/kg,不同类型的农产品中硒含量差距较大,以有机硒的形式存在为主,富阳区居民每日可以通过膳食从食物中摄入硒53.58μg。结论 富阳区主要农产品中硒含量处于合理营养水平,且主要以有机硒形式存在,安全性高,符合人体健康补硒要求。富阳区居民每日通过膳食从食物中摄入硒量接近硒元素推荐日摄入量55μg,具有较好的食用安全性。

Objective To evaluate the selenium nutrition level and edible safety about agricultural products in Fuyang district in Hangzhou. Methods The main agricultural products in Fuyang district were selected by random multi-point layout. The content and morphology of selenium were determined by ultra-high pressure microwave digestion-inductively coupled plasma mass spectrometry. The dietary nutrient levels and safety edible of agricultural products in Fuyang district were evaluated by dietary selenium intake in Fuyang district. Results The content of selenium in agricultural products was 2.01-241.43 μg/kg, with big difference in different agricultural products. The existing form of selenium was mainly organic selenium. The daily intake selenium content of residents at Fuyang district was 53.58 μg. Conclusion The content of selenium in agricultural products in Fuyang district is reasonable and safe, with mainly organic selenium, which is suitable for body healthy of selenium supplementation. The daily intake selenium content of residents in Fuyang district is close to 55 μg, which is safe for body.