About KemmelCal Inc.

Katrina V. Emmel is the founder and president of KemmelCal Inc. With an MS in Biochemistry (WPI) and a Ph.D. in Chemistry (Northern Illinois University), Dr. Emmel started her career as an analytical chemist, performing routine LC-MS analysis in a clinical laboratory, and then developing analytical methods for a dietary supplement and food manufacturer. She was involved in preparing the first Generally Recognized as Safe (GRAS) Notification for Enzyme Modified Steviol Glycosides on behalf of NOW Foods.

As an independent consultant since 2013, Dr. Emmel has been involved in a number of GRAS evaluations as a chemist, technical writer, Project Manager, Expert Panelist, and as Chair of the Expert Panel. She is experienced in evaluating steviol glycosides, monk fruit extracts, sugar alcohols, oligosaccharides, and other ingredients intended for use in foods and dietary supplements.


Dr. Emmel’s specialties include:

  • Analytical data review and analyses recommendations
  • Technical report writing, review, and editing
  • GRAS dossier compilation

Publications:

  • Michael Lelah and Katrina Emmel. “The Science of Enzyme-Treated Stevia.” Vitamin Retailer, May 2011.
  • A.B. Champagne; K.V. Emmel. “Rapid Screening Test for Adulteration in Raw Materials of Dietary Supplements,” Vibrational Spectroscopy (2010).

Presentations:

  • Oral Presentation, Katrina Emmel and Andrea Champagne, PerkinElmer Open House, April 19, 2012
    “Keeping it Clean: FTIR as a Screening Tool for Adulteration in Raw Materials of Dietary Supplements”
     
  • Oral Presentation, Chicago IFT Suppliers’ Night 2011 Innovation NOW! Forum, 2011
    “Enzyme-treated Stevia Extract – A Better Way to Beat the Bitterness
     
  • Poster Presentation, 10th Annual Oxford International Conference on the Science of Botanicals, Mississippi, 2011
    Champagne, AC; Emmel, KV; Lelah, MD
    “Rapid Screening Test for Adulteration of Herbal Supplements”
     
  • Poster Presentation, AOAC Meeting, Philadelphia, PA, 2009
    Ted Waszkuc, Susan Berkman, Katrina Emmel, Sandra Jordan and Felicia Mohammed
    “High Performance Thin Layer Chromatography (HPTLC) Characterization of the Enzymatic Glycosylation of Stevia rebaudiana: A Comparison of Enzyme Treated and Non-Enzyme Treated Stevia Extracts”
     
  • Poster Presentation, ASMS Meeting, Philadelphia, PA, 2009
    Katrina Emmel, Ted Waszkuc, Susan Kraemer-Berkman, Andre Szczesniewski and Sue D’Antonio “High-Resolution TOF LC/MS Characterization of the Enzymatic Glycosylation of Stevia rebaudiana: A Comparison of Natural and Enzyme-Treated Stevia Extracts”
     
  • Poster Presentation, ACS Meeting, Lincolnshire, IL 2009
    Ted Waszkuc, Susan Berkman, Katrina Emmel and Felicia Mohammed
    “High Performance Liquid Chromatography (HPLC) Characterization of the Enzymatic Glycosylation of Stevia rebaudiana: A Comparison of Enzyme Treated and Non-Enzyme Treated Stevia Extracts”
     
  • Poster Presentation, ASMS Meeting, Seattle, WA, 2006
    Katrina Vaitkunas, Victor Ryzhov, Andrea Weinecke, and Robert Sobel
    “Characterization of Reaction Products and Kinetics of Maillard Reactions of Dark Malts with Amino Acids by Chromatography and Mass Spectrometry”
     
  • Poster Presentation, ASMS Meeting, San Antonio, TX, 2005
    Katrina Vaitkunas and Victor Ryzhov
    “Using Ion-Molecule Reactions to Probe the Structure of Amino Acid-Alkali Metal Ion Complexes in the Gas Phase”