Antiviral throat spray from fish guts – this may sound ridiculous, but it is among the many interesting examples for reusing food industry waste in Iceland, which biotechnology student Patrycja Ziuzia and Dr. Ewa Szczepańska from the Department of Chemistry at the UPWr discovered at the EEA School on Adding Value to Food Side Streams course.
https://upwr.edu.pl/en/news/giving-waste-a-second-life-why-throw-it-away-when-it-can-be-reused-356.html