LC-tandem mass spectrometry as a screening tool for multiple detection of allergenic ingredients in complex foods

2016 
In the present investigation, an LC-MS/MS method for sensitive multiplex detection of five allergenic ingredients in a processed food matrix is presented. Cookie was chosen as complex food model and was incurred with egg, milk, soy, hazelnuts and peanuts before baking. Extraction, purification and pre-concentration protocols were applied to ground cookie basing on protocols described elsewhere. Specific instrumental features of a dual cell linear ion trap MS instrument were exploited to identify suitable peptide markers for each allergen and to deliver a sensitive multiplex SRM-based method for the simultaneous detection of common allergenic ingredients which might contaminate such a commodity. Normal 0 14 false false false IT X-NONE X-NONE /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Tabella normale"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}
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