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Cheraif, Kadour; Bakchiche, Boulanouar; Gherib, Abdelaziz; Bardaweel, Sanaa K; Çol Ayvaz, Melek; Flamini, Guido; Ascrizzi, Roberta; Ghareeb, Mosad A
Molecules (Basel, Switzerland), 04/2020, Letnik: 25, Številka: 7Journal Article
In this study, the essential oils (EOs) of six Algerian plants ( L., Asso, L., s L., L. and Chaix) were obtained by hydrodistillation, and their compositions determined by GC-MS and GC-FID. The antioxidant activity of the EOS was evaluated via 2,2'-diphenyl-1-picrylhydrazyl (DPPH), ferric-reducing/antioxidant power (FRAP) and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid (ABTS) assays. Moreover, their cytotoxic effect was evaluated-as well as their tyrosinase, acetyl- and butyryl-cholinesterase (AChE and BuChE) inhibitory activities. The chemical analyses detected 44, 45, 51, 53, 26 and 40 compounds in EOs of , , , , and , respectively. EO was mainly composed of β-pinene (20.7%), while EO contained davanone D (49.5%) as the main component. α-Pinene (41.8%) was detected as the major constituent in both (41.8%) and (37.8%) EOs. EO was characterized by pulegone as the most abundant (76.9%) compound, while linalool (35.8%) was detected as a major constituent in EO. The antioxidant power evaluation revealed IC50 values ranging from 2.61 to 91.25 mg/mL for DPPH scavenging activity, while the FRAP values ranged from 0.97-8.17 µmol Trolox equivalents (TX)/g sample. In the ABTS assay, the values ranged from 7.01 to 2.40 µmol TX/g sample. In the presence of 1 mg/mL of the samples, tyrosinase inhibition rates ranged from 11.35% to 39.65%, AChE inhibition rates ranged from 40.57% to 73.60% and BuChE inhibition rates ranged from 6.47% to 72.03%. A significant cytotoxic effect was found for EO. The obtained results support some of the traditional uses of these species in food preservation and for protection against several diseases.
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