Romanian Society of Pharmaceutical Sciences
 

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THE INVESTIGATION OF THE MEDICINAL POTENTIAL OF ALCEA KURDICA ALEF. IN NATURE AND TISSUE CULTURE

GÜL GÖRMEZ 1, ABDULHAMIT BATTAL 2*, ABDULLAH DALAR 3, MUSA TÜRKER 4

1Nutrition and Dietetics Department, Faculty of Health Sciences, Van Yüzüncü Yıl University, Van, Turkey
2 Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Van Yüzüncü Yıl University, Van, Turkey 3Department of Pharmaceutical Botany, Faculty of Pharmacy, Van Yüzüncü Yıl University, Van Turkey
4 Department of Bioengineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey

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Alcea kurdica Alef. (AK) a hollyhock has been used in folk medicine to treat various diseases. Though its extensive utilization in traditional medicine, experimental studies regarding to its phytochemical composition is limited. The aim of this study was to determine the antioxidant capacity and phenolic composition of ethanol extract of AK plant collected from the natural environment in different vegetation periods (June-flowering, July-fruiting, August-seeding) and to control its antioxidant capacity and phenolic composition by in vitro shoot tip culture. AK plant at the flowering period had the highest antioxidant capacity, while the lowest activity was determined at the seeding period according to results. Phenolic acids dominated by gallic, chlorogenic and caffeic acids were determined as the major phenolics. According to in vitro results, the use of 1-naphthylacetic acid (NAA) and 6-benzylaminopurine (BA) alone caused significant decrease in the three phenolic acids content compared to the control. On the other hand, combination of NAA and BA caused significant increase in phenolic acids content compared to the control. Moreover, significant increase in ORAC was observed in AK extract obtained from in vitro Murashige & Skoog (MS) media culture supplemented with NAA and BA combination. 15 min of UV exposure negatively affected the antioxidant capacity and phenolic content.