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表面增强拉曼光谱法在食品中亚硝酸盐的快速筛查研究
Authors
巫明茹
曾勇明
+3 more
祝惠惠
罗世翊
陈启振
Publication date
7 November 2019
Publisher
Abstract
建立了采用表面增强拉曼光谱对香肠等食品中亚硝酸盐的快速筛查方法。检测样品经简单提取、衍生后直接进行拉曼光谱检测,整个前处理时间不超过15分钟。通过亚硝酸盐衍生物的指纹图谱定性,本方法能够对各种食品中的亚硝酸盐含量准确筛查,检出限为30 mg/kg,能够满足国家卫生标准的限量要求。该方法前处理简便快速,结果准确,可以作为一种高灵敏、无假阳性的非定向快速筛查手段。该方法可用于检测食品中亚硝酸盐的滥用添加,满足职能部门的现场执法和实验室预检需求。国家自然科学基金(21703187)厦门大学校长基金(20720170102)江苏省产学研前瞻项目(BY2018200
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Last time updated on 20/11/2020