Bononi, Monica Easy Extraction Method To Evaluate δ13C Vanillin by Liquid Chromatography-Isotopic Ratio Mass Spectrometry in Chocolate Bars and Chocolate Snack Foods. [electronic resource] - Journal of agricultural and food chemistry May 2015 - 4777-81 p. digital Publication Type: Evaluation Study; Journal Article ISSN: 1520-5118 Standard No.: 10.1021/acs.jafc.5b02136 doi Subjects--Topical Terms: Benzaldehydes--analysisCacao--chemistryCarbon Isotopes--chemistryChemical Fractionation--methodsChromatography, High Pressure Liquid--instrumentationFlavoring Agents--analysisMass Spectrometry--methodsPlant Extracts--chemistrySnacksVanilla--chemistry