Usability of soapwort and horse chestnut saponin extracts as foaming agents in foam mat drying of pomegranate juice.

Background: This study evaluated the usability of saponin-rich extracts (soapwort and horse chestnut) as a foaming agent for foam mat drying of pomegranate juice.

Results: According to the foaming and stabilization studies, the optimum conditions were determined as 0.4% of soapwort extract, 0.