烤红薯的污染分析与安全性评价  

Pollution Analysis and Safety Evaluation of Roasted Sweet Potato

作　　者：鲁海波[1] 张玲[2] 尹丽芳 池梅丽[2] 陈传奇[2] 马贵福[2] 

机构地区：[1]中南林业科技大学食品科学与工程学院,湖南长沙410004 [2]长沙理工大学化学与环境工程学院,湖南长沙410076 [3]湖南分析测试中心,湖南长沙410004

出　　处：《食品科学》2011年第1期229-231,共3页Food Science

基　　金：湖南省科技攻关项目(2009NK3122)

摘　　要：为了解煤火烤红薯的污染问题,对市场上采用煤炭火烤红薯的5个点采集了3批次样品进行了S、Cu、Pb、Hg、As含量的测定。参照国家食品卫生标准和蔬菜质量分级标准,对烤红薯的污染程度进行了安全性评价。结果表明:在烤红薯的皮层、皮下肉层和中间肉层都受到了硫和重金属的严重污染,其综合污染指数分别为209.1、24.0和3.9。In order to understand the pollution problem of roasted sweet potato,the contents of sulfur,copper,lead,mercury and arsenic in sweet potato roasted by coal fire were analyzed.The safety evaluation of roasted sweet potato was conducted according to national food hygienic and vegetable quality grade standards.Results indicated that the skin,subcutaneous meat and central layer meat of roasted sweet potato were highly polluted by sulfur and heavy metals with comprehensive pollutant indexes of 209.1,24.0 and 3.9,respectively.

关 键 词：红薯 烤制 煤火 硫 铜 铅 汞 砷 安全性评价 

分 类 号：TS201.6[轻工技术与工程—食品科学]