食品科学 ›› 2009, Vol. 30 ›› Issue (4): 166-168.doi: 10.7506/spkx1002-6630-200904033

• 分析检测 • 上一篇    下一篇

氢化物原子荧光法测定大蒜及其制品中的硒

刁娟娟1,李 莉1,*,阳 胜2,李新霞1,陈 坚1   

  1. 1.新疆医科大学药学院 2.新疆产品质量监督检验研究院
  • 收稿日期:2008-02-26 修回日期:2008-06-03 出版日期:2009-02-15 发布日期:2010-12-29
  • 通讯作者: 李莉 E-mail:lilixjmu@yahoo.com.cn
  • 基金资助:

    “十一五”国家科技支撑计划项目(2007BAI30B02);科技部科技型中小企业技术创新基金项目(07c26216502091)

Determination of Selenium in Garlic and Its Products Using Hydride Generation Atomic Fluorescence Spectrometry

DIAO Juan-juan1,LI Li1,*,YANG Sheng2,LI Xin-xia1,CHEN Jian1   

  1. (1. College of Pharmacy, Xinjiang Medical University, Urumqi 830054, China ;
    2. Xinjiang Product Quality Monitor and Inspect Institute, Urumqi 830002, China)
  • Received:2008-02-26 Revised:2008-06-03 Online:2009-02-15 Published:2010-12-29
  • Contact: LI Li1,*, E-mail:lilixjmu@yahoo.com.cn

摘要:

目的:测定大蒜及其制品中硒的含量。方法:大蒜、蒜氨酸、蒜酶、大蒜多糖样品经过HNO3-HClO4湿法消解,采用氢化物原子荧光光谱法测定硒的含量。结果:大蒜、蒜氨酸、蒜酶、大蒜多糖中硒的含量分别为0.010~0.024、0.423~0.629、0.057~0.064、0.001~0.007μg/g。结论:该方法测定大蒜及其制品中硒的含量,操作简便,灵敏度高。

关键词: 大蒜, 蒜氨酸, 蒜酶, 大蒜多糖, 硒, 氢化物原子荧光法(AFS)

Abstract:

Objective: To establish hydride generation atomic fluorescence spectrometry method for determining contents of selenium in garlic and its product. Method: Samples of garlic, alliin, alliinase, garlic polysaccharide were digested with HNO3-HClO4 digestion mixture, and then the content of selenium was determined using hydride generation atomic fluorescence spectrometry (AFS). Results: the content of selenium in garlic, alliin, alliinase, garlic polysaccharide samples are 0.010 to 0.024, 0.423 to 0.629, 0.057 to 0.064 and 0.001 to 0.007 μg/g separately. Conclusion: The method is proved to be simple and sensitive. Therefore it can be used for determination of selenium in garlic and its products.

Key words: garlic, alliin, alliinase, garlic polysaccharide, selenium, hydride generation atomic fluorescence spectrometry (AFS)

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