Foodstuffs. Determination of phomopsin A in lupin seeds and lupin derived products by HPLC-MS/MS not-for-sale Non-rigid rails i

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Foodstuffs. Determination of phomopsin A in lupin seeds and lupin derived products by HPLC-MS/MS not-for-sale Non-rigid rails i1 Scope This document specifies a procedure for the determination of phomopsin A in lupin seeds and lupin derived products based on liquid chromatography with tandem mass spectrometry (LC MS MS). Several phomopsins exist, i. e. phomopsin A, B, C and D, but the method only deals with the quantitative measurement of phomopsin A due to lack of commercially available analytical reference standards for the other phomopsins. The method has been validated