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The safety problem caused by the illegal addition of non edible substances to food has become a major threat to public health. However, there are still some significant limitations in the existing detection technology system, such as blind areas and a lack of detection ability. With the advantages of high-throughput screening and identification of unknown substances, non targeted detection technology has made great progress in the fields of emerging contaminants, multi-residue detection of agricultural and veterinary drugs and among others. This paper introduced the detection techniques of non-edible substances such as spectrum, chromatography and chromatography-mass spectrometry. The principle and application of non targeted detection technology and the application and limitation of non targeted detection screening based on database, mass spectrometry splitting characteristics and metabonomics were described in detail. The problems and challenges of non targeted detection technology in practical application were discussed. And innovatively put forward suggestions to promote the practical transformation of non targeted detection technology and the optimization path based on the fusion of non targeted detection technology analysis strategy and big data algorithm. The purpose of this paper was to provide a theoretical basis for the establishment of an efficient, accurate and green methodology system for non targeted detection of non-edible substances in food.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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