Optimization of the extraction process of polyphenols from Thymus serpyllum L. herb using maceration, heat- and ultrasound-assisted techniques
Keywords: ANOVA; analysis of variance; CA; caffeic acid derivates; ChA; chlorogenic acid; CE; catechin equivalent; FC; Folin-Ciocalteu reagent; FL; flavonoids; GAE; gallic acid equivalent; HAE; heat-assisted extraction; HPLC; high performance liquid chromatography;