PRINT ISSN 2285-5718, CD-ROM ISSN 2285-5726, ISSN ONLINE 2286-0126, ISSN-L 2285-5718


Published in AgroLife Scientific Journal, Volume 6, Number 2
Written by Ozlem TONGUC YAYINTAS, Ozlem SOGUT, Sibel KONYALIOGLU, Selehattin YILMAZ, Burcu TEPELİ

Recent pharmacological investigations of bryophytes have proven that the active principles present in these plants are quite unique and having potential chemical application and antioxidant capacity. The mosses of Oxytegius tenuirostris, Eurhynchium striatum W. P. Schimper and Rhynchostegium murale (Hedw.) Schimp. were collected from different locations of Turkey, and dried and exracted with different solvents. Volatiles were isolated from the samples by solid phase microextraction. Gas Chromatography-Mass Spectrometry (GC-MS) was used to identify volatile compounds. Antioxidant activities of moss were tested by free radical scavenging activity (DPPH• assay), Trolox equivalent (TEAC) and Cupric Reducing Antioxidant Capacity (CUPRAC) methods. Antioxidant activities were found for mossesas 24.67-67.12 mg/g from chloroform extract, 18.83-35.83 mg/g from ethanol extract, 7.78-46.09 mg/g from methanol extract and 12.56-34.13 mg/g from water extract by DPPH• assay method. Antioxidan activities were found as 562.07-2060.52 mg/g from chloroform extract, 597.44-1765.77 mg/g from ethanol extract, 2506.23-7454.92 mg/g from methanol extract and 676.41-5631.23 mg/g from water extract by Trolox method. Antioxidant activities were found as 9.78-64.60 mg/g from chloroform extract, 5.62-28.37 mg/g from ethanol extract, 4.23-30.54 mg/g from methanol extract and 4.92-27.77 mg/g from water extract by Cuprac method. On the basis of the results it is suggested that the extract of mosses species determined here could be of use as an easily accessible source of natural antioxidant for the treatment

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