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目的:采用免疫亲和净化和高效液相色谱技术,建立淀粉、糖类药食两用食品中赭曲霉毒素A的测定方法。方法:样品粉末经甲醇-水(8:2,V/V)涡旋、超声及振摇提取,提取液以磷酸盐缓冲液稀释后,用商品免疫亲和柱净化,含有赭曲霉毒素A的甲醇洗脱液用高效液相色谱技术分析,C18反相色谱柱分离,荧光检测器测定。结果:赭曲霉毒素A的最低检出浓度为1.0μg/kg(RSN=3);在0.5~100ng/mL范围内,峰面积与质量浓度呈线性关系(r=0.9995);以不含赭曲霉毒素A的太子参、莲子、薏苡、麦冬和龙眼肉为加标基质,加标水平为1~8μg/kg时,平均回收率在81.8%~107%之间,RSD为1.66%~1...
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食品科学
ISSN: 1002-6630
CN: 11-2206/TS
Year: 2011
Issue: 14
Volume: 32
Page: 298-302
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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Chinese Cited Count:
30 Days PV: 2
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