Charles M. Zapf

Determination of Antioxidant Activity in Foods and Beverages by Reaction with 2,2′-Diphenyl-1-Picrylhydrazyl (DPPH): Collaborative Study First Action 2012.04

David W. Plank, John Szpylka, H. D. Sapirstein et al. · Journal of AOAC International · 2012 · 69 citations · Full text

The use of wavelength dispersive X-ray fluorescence and discriminant analysis in the identification of the elemental composition of cumin samples and the determination of the country of origin

Ellen Hondrogiannis, Kari M. Peterson, Charles M. Zapf et al. · Food Chemistry · 2012 · 28 citations

Elemental Composition, Discriminant Analysis, Mass Spectrometry +5

Mid-infrared Diffuse Reflectance Spectroscopy for Discriminant Analysis of Food Ingredients

James B. Reeves, Charles M. Zapf · Journal of Agricultural and Food Chemistry · 1998 · 26 citations

Engineering, Flavoromics, Food Analysis +17

Spectral Library Searching: Mid-Infrared versus Near-Infrared Spectra for Classification of Powdered Food Ingredient

James B. Reeves, Charles M. Zapf · Applied Spectroscopy · 1999 · 12 citations

Engineering, Food Analysis, Chemistry +23

The Use of Wavelength Dispersive X‐ray Fluorescence in the Identification of the Elemental Composition of Vanilla Samples and the Determination of the Geographic Origin by Discriminant Function Analysis

Ellen Hondrogiannis, Kathryn Rotta, Charles M. Zapf · Journal of Food Science · 2013 · 11 citations