Antioxidant capacity of medical plants produced in agroforestry system

Dénes, Benke és Visiné Rajczi, Eszter és Hofmann, Tamás (2024) Antioxidant capacity of medical plants produced in agroforestry system. ACTA FACULTATIS FORESTALIS (ZVOLEN), 66 (1). pp. 35-47. ISSN 0231-5785

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Absztrakt (kivonat)

In the present work, we investigated the antioxidant content of three medical plants (common sorrel (Rumex acetosa L.), ribwort plantain (Plantago lancelota L.) and dwarf periwinkle (Vinca minor L.) grown in the agroforestry system of the Bajti Breeding Plant (Hungary). The aim of our research was to examine the seasonal changes in antioxidant content of the species and to find out which soil cover method (control, mulching, bee-pasture and geotextile cover) is the most advantageous for the antioxidant capacity of these species. The antioxidant capacity was examined using the TPC, FRAP and DPPH assays. It was found that the cultivation method resulting in the highest antioxidant content depends on the plant species. In the case of sorrel the highest antioxidant capacities were measured in spring samples with the mulch and bee-pasture covers. In the case of ribwort plaintain, the highest FRAP, TPC and DPPH values were measured in the spring/control samples, none of the investigated soil cover methods contributed significantly to the increase of the antioxidant content. Similarly to plantain, for dwarf periwinkle the tested methods did not affect the antioxidant content in any of the studied seasons, the highest values were measured in spring and the lowest in summer. In general, the highest antioxidant capacity values could be measured in spring for the investigated species. Due to the different selectivity of the applied antioxidant assays, the use different methods is necessary for the comparative analysis of the antioxidant contents. Results contribute to the research of the composition of medicinal plants produced in agroforestry systems and the data will serve as a basis for the planning of experiments on further species.

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