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http://dx.doi.org/10.13103/JFHS.2017.32.1.57

A Study on the Identification of Animal Hair in Food  

Lee, Jae-Hwang (New Hazardous Substance Team, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Park, Young-Eun (New Hazardous Substance Team, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Lim, Byung-Chul (New Hazardous Substance Team, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Kim, Ju-Shin (New Hazardous Substance Team, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Choi, Jong-Hyun (New Hazardous Substance Team, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Kang, Tae Sun (New Hazardous Substance Team, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Lee, Jin-Ha (New Hazardous Substance Team, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Kwon, Kisung (New Hazardous Substance Team, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety)
Publication Information
Journal of Food Hygiene and Safety / v.32, no.1, 2017 , pp. 57-63 More about this Journal
Abstract
Foreign materials with a variety of types and sizes are found in food; thus, extraordinary efforts and various analytical methods are required to identify the types of foreign materials and to find out accurate causes of how they unintentionally enter food. In this study, human, cow, pig, mouse, duck, goose, dog, and cat were chosen as various types of animal hairs because they can be frequently incorporated into food during its production or consumption step. We morphologically analyzed them using stereoscopic, optical, SUMP method, and scanning electron microscopes, showing differences in each type. In addition, X-ray fluorescence spectrometer (XRF) was used to analysis chemical compositions ($^{11}Na{\sim}^{92}U$, Mass%) of samples. As a result, we observed that mammalian hairs were mainly composed of sulfur. Organic compounds of samples were further analyzed by fourier transform infrared spectroscopy (FT-IR) that can compare spectra of given materials; however, this method did not show significant differences in each sample. In this study, we suggest a rapid method for the identification of the causes and types of foreign materials in food.
Keywords
food; foreign material; animal hair;
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Times Cited By KSCI : 2  (Citation Analysis)
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