When is a beer not a beer: iso-α-acids not necessarily proof of ethanol consumption?

Affiliations

• ¹ Department of Chemical and Forensic Sciences, University of Huddersfield, Huddersfield, UK p.d.maskell@hud.ac.uk.
• ² School of Life Sciences, Heriot-Watt University, Riccarton, Edinburgh, UK.
• ³ Institute of Biological Chemistry, Biophysics, and Bioengineering, School of Engineering and Physical Sciences, Heriot-Watt University, Riccarton, Edinburgh, UK.