PJB-2018-339
FATTY ACID CONTENT AND FREE RADICAL SCAVENGING (DPPH) ACTIVITIES OF SOME OF BRYOPHYTES EXTRACTS
SEVİNÇ AYDIN
Abstract
In this study, free radical scavenging activities (DPPH) and fatty acid contents were investigated of some taxa belonging to Neckeraceae (Alleniella complanata, Alleniella besseri, Exsertotheca crispa) and Hypnaceae (Hypnum cupressiforme, Hypnum resupinatum, Hypnum andoi) family collected from Kamilet Valley (Artvin-Arhavi) in 2017. DPPH free radical scavenging activity was determined according to the method developed by Brand-Williams et al. (1995). The fatty acids in lipid extracts were analyzed via gas chromatography after transforming them into methyl esters. In conclusion, it was determined that the DPPH scavenging effects of taxa from Hypnaceae family were significantly higher than those of taxa from Neckeraceae family (p<0.001), and that the free radical scavenging effects of taxa from Hypnaceae family varied depending on the amount of extract (50-1000µl). The saturated fatty acids content of the Neckeraceae family and the unsaturated fatty acids of the Hypnaceae family were found to be richer (p <0.001).
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