Phytochemicals and Antioxidant Activities in methanol extracts of Endemic Haplophyllum Species from Türkiye

The aim of the current study is to determine total flavonoids, phenolics and antioxidant activities methanol extracts from aerial parts four endemic Haplophyllum species Türkiye (H. myrtifolium, H. vulcanicum, pumiliforme, sahinii). There are two populations collected different regions belonging myrtifolium pumiliforme. Antioxidant were measured by radical scavenging activity such as 2, 2′-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS) 2-diphenyl-1-picrylhydrazyl (DPPH), compared with synthetic standards trolox, ascorbic butylated hydroxytoluene (BHT). highest bioactive contents recorded sahinii for phenolic content (66.4 mg GAE/g extract) flavonoid (40.8 QE/g extract), but vulcanicum displayed lowest amount both (38.0 extract 34.5 extract, respectively). Among species, exhibited strongest DPPH ABTS followed vulcanicum. All showed higher these than trolox BHT. phytochemicals in reported first time. diversity findings be discussed likely consequence regions.