Anthocyanins and Total Phenolic Compounds from Pigment Extractions of Non-Native Species from the Umia River Basin: Eucalyptus globulus, Tradescantia fluminensis, and Arundo donax

Alien invasive species (AIS) and non-native are a prominent extended problem in wide range of areas Europe around the world. Centered Umia’s riparian forest, Galicia, we found at least three main AIS needing to be controlled harvested preserve biodiversity area. Previous studies probed that leaves bark selected species—Tradescantia fluminensis, Arundo donax, Eucalyptus globulus—have important antioxidant properties, suitable for use pharmaceutical industrial contexts. A comparison four solid-liquid extraction methods—Soxhlet extraction, ultrasound assisted thermal agitator, infusion—was conducted order define most efficient method correlation within (anthocyanins total phenols) extraction. Water was as solvent, providing sustainable research background without implying any chemical additives. The best yields were obtained with Soxhlet all raw matter, results Tradescantia fluminensis (41.89%) globulus (39.35%); followed by ultrasonic method, better yield performed (27.07%). On contrary, showed efficiency agitator (35.07% compared 23.19% from extraction). After extractions, identification quantification phenolic compounds anthocyanins carried out using spectrophotometric determination acid hydrolysis butanol method. In general, higher content demonstrated (6.18 ± 0.82 mg CC/g) phenols containers (172.40 44.53 GAE/g). Studies provided promising possibilities residues analyzed, source antioxidants, favoring circular economy systems, well taking care affected environments.