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当前位置: 首页 > 文章 > 陕西优质苹果重金属含量评价 食品科学 2010,31 (6) 193-195
Position: Home > Articles > Evaluation of Heavy Metal Contamination of High-quality Apples in Shaanxi FOOD SCIENCE 2010,31 (6) 193-195

陕西优质苹果重金属含量评价

作  者：
李娜;董文宾;胡献丽;杨津;王金字
单  位：
陕西科技大学生命科学与工程学院
关键词：
优质苹果;重金属;评价;陕西
摘  要：
为陕西优质苹果中重金属含量建立数据库。用微波消化-电感耦合等离子体发射光谱法测定苹果中的铅、砷、铜、镉、铬5种元素的含量。结果表明:Pb的含量在0～0.113mg/kg之间,参照绿色食品有毒有害元素的限量标准,超标率为38.3%;Cd和Cr的含量都小于0.025mg/kg,Cu的含量在0.089～1.709mg/kg之间,As的含量小于0.1mg/kg,均达到绿色苹果的质量要求。
译  名：
Evaluation of Heavy Metal Contamination of High-quality Apples in Shaanxi
作  者：
LI Na,DONG Wen-bin,HU Xian-li,YANG Jin,WANG Jin-zi(College of Life Science and Technology,Shaanxi University of Science and Technology,Xi an 710021,China),
关键词：
high-quality apple;heavy metal;evaluation;Shaanxi,
摘  要：
To establish a database of heavy metal content of high-quality apples in Shaanxi so as to provide evidence for making macroscopic decisions by relevant authorities,microwave digestion followed by inductively coupled plasma atomic emission spectroscopic technique was used to determine lead,arsenic,copper,cadmium,chromium contents in 47 apple samples harvested from 5 high-quality apple-producing counties in Shaanxi Province.Results showed that the apple samples tested exhibited a Pb content range of 0-0.113 mg/kg,which was 38.3% higher than the required threshold level in the industry standard NY/T268-95 of China s Ministry of Agriculture.The contents of Cd and Cr were both less than 0.025 mg/kg,the content of Cu between 0.089 and 1.709 mg/kg,and the content of As less than 0.1 mg/kg.The above data demonstrate all the apple samples tested can be classified into green food class.

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