Low-cost fluorescence-based method for beer bitterness measurement

A simple low-cost methodology for assessing beer bitterness using the IBU (International Bitterness Units) scale has been developed. The experimental setup is composed of a UV source, a fluorescent material and a digital single-lens reflex camera. The main concept of the method involves estimating the UV attenuation through IBU solution samples, by comparing the resulting fluorescence instead of the direct UV data obtained with a...