2.5.14. Total phenolic content
Total phenolic content (TPC) was determined by the Folin–Ciocalteu
method as described by Contini, Baccelloni, Massantini, and
Anelli (2008) adapted to a micro-method format. CGA calibration
curve (0.1–0.8 mg/ml) was used for quantification. Measurements
were performed in triplicate and results were expressed as %
CGA equivalent (eq.) (w/w).