| 光谱学与光谱分析 |
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| Content of Trace Elements and Heavy Metals in Chinese Winter Jujube Fruit |
| RUI Yu-kui1,SHEN Lin2,SHENG Ji-ping2* |
1.College of Resources and Environmental Science, China Agricultural University, Beijing 100094, China
2.College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China |
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Abstract Today researchers pay more and more attention to the content of trace elements and heavy metals in food.Contents of trace elements and heavy metals in Chinese winter jujube fruit were analyzed by ICP-MS，the results showed that winter Chinese jujube contained plentiful trace elements, especially Ca(126.67 μg·g-1·FW), Mg(68.04 μg·g-1·FW), Sr(1 691.39 ng·g-1·FW), Zn(787.26 ng·g-1·FW), Fe(512.84 ng·g-1·FW), Mn(495.42 ng·g-1·FW) and Mo(33.38 ng·g-1·FW), which is necessary for human health and can prolong the human life.But Chinese winter jujube contains little heavy metals and accords with relative national standard.
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Received: 2007-05-10
Accepted: 2007-08-20
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Corresponding Authors:
SHENG Ji-ping
E-mail: ruiyukui@163.com
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