Chemical Composition, Antioxidant and Antibacterial Activities of Essential Oil and Phytochemical Screening of Extracts of Aerial Parts of Thymus atlanticus. Issue 2 (4th March 2022)

• Record Type: Journal Article
• Authors: Boutakiout, Amale; Majdouli, Karima; Chafai, Youssef; Radi, Mohamed; El Aggadi, Sanaa; El Belghiti, Mohammed Alaoui; Zair, Touriya
• Is Part Of: Journal of essential oil-bearing plants. Volume 25:Issue 2(2022)
• Page Start: 356
• Page End: 368
• Publication Date: 2022-03-04
• Subjects: Thymus atlanticus -- Chemical composition -- Antioxidant activity -- Antibacterial activity; Essences and essential oils -- Periodicals; Aromatic plants -- Biotechnology -- Periodicals; Oilseed plants -- Biotechnology -- Periodicals; Aromatic plants -- Periodicals; Oilseed plants -- Periodicals; 661.80605
• DOI: 10.1080/0972060X.2022.2079961
• Languages: English
• ISSNs: 0972-060X

Abstract

Abstract: Thymus plants has been used for several beneficial health properties including antioxidant and antibacterial activities. The aim of this study was to determine the chemical composition, antioxidant and antibacterial potential in vitro of aerial part of Thymus atlanticus essential oil and phytochemical screening of the extracts. Results showed that carvacrol was the major component of the essential oil (85.13%). Phytochemical screening of the extracts showed that gallic tannins, flavonols, triterpenes, sterols and mucilage are present on high amount. Antioxidant activity (IC50 ), total phenolic and total flavonoid content of the extract obtained by soxhlet method and using hydromethanolic solvent recorded the highest values (0.029 mg/mL, 5.92 mg GAE/g and 0.86 mg QE/g respectively) compared to other extracts. The IC50 of the essential oil was equal to 0.990 µg/mL and therefore has exhibited an antioxidant power higher than the extracts. The essential oil of Thymus atlanticus showed a strong antimicrobial activity against Escherichia coli compared to the fifteen pathogenic bacteria with an average inhibition zone of 32±1.0 mm and minimum inhibitory concentration of 0.3 µL/ mL. These findings indicate that Thymus atlanticus essential oil and extracts could be a source of potential antioxidant and antibacterial natural compound.