| PSE-GC法同时测定饼干中两种抗氧化剂 |
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| 引用本文： | 林太凤,张淑芬,王惠琴,郑大威. PSE-GC法同时测定饼干中两种抗氧化剂[J]. 食品研究与开发, 2012, 33(8): 144-146 |
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| 作者姓名： | 林太凤 张淑芬 王惠琴 郑大威 |
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| 作者单位： | 北京工业大学生命科学与生物工程学院,北京100124;北京市饮料及食品添加剂质量监督检验站,北京100124 |
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| 摘 要： | 建立测定饼干中的2种抗氧化剂叔丁基对羟基茴香醚(BHA)和二丁基羟基甲苯(BHT)的加压溶剂萃取-气相色谱法(PSE-GC法).采用PSE法进行样品萃取,萃取液经中性氧化铝净化后,进行GC分析.PSE-GC法测定饼干中BHT和BHA的相对标准偏差(RSD)为0.5％～3.1％,并且在2.0 μg/mL～200.0 μg/mL范围内色谱峰面积与组分浓度均有很好的线性相关性(r≥0.9994),检出限为0.5 μg/mL,回收率为94.68％～96.80％.PSE-GC法简便、快速、效率高,方法的重现性、线性相关性以及检出限理想,适用于饼干中BHT和BHA含量的同时快速检测.
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| 关 键 词： | 加速溶剂萃取 气相色谱 抗氧化剂 饼干 |
Determination of Two Antioxitants in Biscuit by Pressurized Solvent Extraction and GC |
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| LIN Tai-feng , ZHANG Shu-fen , WANG Hui-qin , ZHENG Da-wei. Determination of Two Antioxitants in Biscuit by Pressurized Solvent Extraction and GC[J]. Food Research and Developent, 2012, 33(8): 144-146 |
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| Authors: | LIN Tai-feng ZHANG Shu-fen WANG Hui-qin ZHENG Da-wei |
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| Affiliation: | 1,2(1.College of Life Science and Bio-engineering,Beijing University of Technology,Beijing 100124,China;2.Quality Supervision and Inspection Station of Beverages and Food Additives of Beijing,Beijing 100124,China) |
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| Abstract: | To establish a new method for determining tow antioxidants butylated hydroxyanisole(BHA) and butylated-hydroxytoluene(BHT) in food using pressurized solvent extraction(PSE) and HPLC.The sample was extracted by PSE and the extract was analyzed by GC after clear-up with neutral aluminium oxide.The recoveries of this method ranged from 94.68 % to 96.80 % with RSDs ranged from 0.5% to 3.1%.The developed method was linear over the range 2.0 μg/mL-200.0 μg/mL with correlation coefficients(r≥0.999 4) and the detection limit of the method was 0.5 μg/mL.this method is simple,fast,affective,and has good repetition.It can be used for the simultaneous determination of BHA,BHT in biscuit. |
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| Keywords: | pressurized solvent extraction GC antioxidant biscuit |
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