A New Non-targeted Screening Method for Milk Powder Safety Based on Improved Spectral Angle Mapping

Abstract

Abstract: The non-targeted screening for milk powder safety is a research hot spot in the field of food safety in China. In this paper, a Moving window spectral angle mapping Raman hyperspectral imaging method (MWSAM-RHIM) is proposed to achieve non-targeted screening of milk powder safety, which effectively compensates for the shortcomings of traditional targeted detection methods. In MWSAM-RHIM, the improved spectral angle mapping algorithm is used to calculate the spectral similarity of unknown samples. The pixels beyond the threshold are marked as adulterated to generate a visual binary image. The results showed that the recognition rates of negative and positive samples by MWSAM-RHIM method both reached 93.3%, which indicated that this method could meet the needs of non-targeted screening for dairy products safety and provide a new idea for rapid screening of other food samples.

Key words: Raman hyperspectral imaging, milk powder safety, spectral angle mapping, non-targeted screening, food safety

CLC Number:

TS252.7

Jing Zong. A New Non-targeted Screening Method for Milk Powder Safety Based on Improved Spectral Angle Mapping[J]. FOOD SCIENCE, 0, (): 0-0.

References

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