Spectrophotometric measurements of 100 μL of the filtered infusion mixed with 100 μL of water were carried out in triplicate using a Biotek Synergy HT microplate reader (Biotek Instruments, Winooski, Vermont, USA).
Spectrophotometric measurements of 100 μL of the filtered infusion mixed with 100 μL of water were carried out in triplicate using a Biotek Synergy HT microplate reader (Biotek Instruments, Winooski, Vermont, USA).