Microbiology of the food chain — Horizontal method for determination of hepatitis A virus and norovirus using real-time RT-PCR — Part 1: Method for quantification
食物链的微生物学 - 使用实时RT-PCR测定甲型肝炎病毒和诺如病毒的水平方法 - 第1部分:定量方法
发布日期:
2017-03-09
ISO 15216-1:2017规定了从食品(软水果、叶子、茎和鳞茎蔬菜、瓶装水、BMS)或食品表面的测试样本中定量甲型肝炎病毒和诺如病毒基因组I(GI)和II(GII)RNA水平的方法。从测试样本中释放病毒后,用硫氰酸胍溶解并在二氧化硅上吸附,提取病毒RNA。通过实时RT-PCR扩增和检测病毒RNA中的靶序列。
本方法不适用于检测其他食品(包括多组分食品)或任何其他基质中的目标病毒,也不适用于检测食品、食品表面或其他基质中的其他病毒。
ISO 15216-1:2017 specifies a method for the quantification of levels of HAV and norovirus genogroup I (GI) and II (GII) RNA, from test samples of foodstuffs (soft fruit, leaf, stem and bulb vegetables, bottled water, BMS) or food surfaces. Following liberation of viruses from the test sample, viral RNA is then extracted by lysis with guanidine thiocyanate and adsorption on silica. Target sequences within the viral RNA are amplified and detected by real-time RT-PCR.
This method is not validated for detection of the target viruses in other foodstuffs (including multi-component foodstuffs), or any other matrices, nor for the detection of other viruses in foodstuffs, food surfaces or other matrices.