{"id":593,"date":"2017-02-22T10:37:19","date_gmt":"2017-02-22T09:37:19","guid":{"rendered":"http:\/\/www.gembloux.ulg.ac.be\/sima\/?page_id=593"},"modified":"2021-10-06T13:42:09","modified_gmt":"2021-10-06T12:42:09","slug":"phdjya","status":"publish","type":"page","link":"https:\/\/www.gembloux.ulg.ac.be\/sima\/phdjya\/","title":{"rendered":"Jinhui Yang"},"content":{"rendered":"

Milk protein adulteration detection via mass spectra and infrared spectroscopy<\/h4>\n<\/div>
<\/div><\/div><\/div>
Supervisors<\/h5>\n

H\u00e9l\u00e8ne Soyeurt<\/a>
\nVincent Baeten
\nWang Jiaqi<\/p>\n

Thesis committee<\/h5>\n

Yves Beckers
\nChristophe Blecker
\nMarie-Laure Fauconnier
\nZheng Nan<\/p>\n<\/div>

<\/div><\/div><\/div>

Research topic<\/h4>\n

Milk has been considered as complete food for its rich protein, fat, and kinds of micro nutrient. Alike other foods produced in large scale, milk and dairy products are also likely to subject to fraud.<\/p>\n

Food safety events, like Swill milk in the 1850s and melamine in dairy products in 2008, arouse people\u2019s attention to public health. Kinds of protein analogue and non-milk fat are found to be adulterated in milk in practice. Vegetable protein is one possible candidate for its extensive source.\u00a0 In addition, illegal reconstituted milk appeared in market hurt dairy farmers seriously. Particular fatty acids pair, sterols, and triacylglycerols have been considered as marker of milk fat adulteration.<\/p>\n

Various technologies were employed to detect spiked milk in previous reports. Besides modern instrument analytical methods, such as\u00a0 matrix assisted laser desorption\/ionization-mass spectrophotometry (MALDI-MS), nuclear magnetic resonance (NMR), high performance liquid chromatography (HPLC), liquid chromatography\u2013tandem mass spectrophotometry (LC\u2013MS\/MS), gas chromatography\u2013mass spectrometry (GC\u2013MS), and vibrational spectroscopy and chemiluminescence (CL), sensor technology was also found to be effective to detect melamine spiked in dairy products.<\/p>\n

Infrared spectroscopy is an appealing technology for the food industry, because simple, rapid, and nondestructive measurements of chemical and physical components can be obtained. This project was designed to detect potential adulteration of plant protein in milk, and differentiate the protein analogue appeared in milk as adulterants using infrared spectroscopy.<\/p>\n

With the collaboration<\/h4>\n

\"CAAS\"<\/a><\/p>\n<\/div>

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