Materials
Fresh Berberis vulgaris L. was collected in September 2022 in Mashhad (Khorasan Razavi, Iran). To conduct the experiments, 2-diphenyl-1–1-picrylhydrazyl (DPPH), Folin-ciocalteu reagent and pectin were obtained from Sigma (Sternheim,…
Synthesis of polyaniline zirconium for purification of barberry anthocyanins and stabilization via copigmentation against thermal and gastrointestinal conditions
