Abstract
Aromatic plants contain essential oils, potent extracts renowned for therapeutic benefits. Essential oils are commonly utilized due to their diverse range of phytochemicals that possess therapeutic properties. The present study analyses the chemical composition of the essential oil obtained from shoots and roots of Blumea mollis (Family: Asteraceae), using GC-FID and GC-MS techniques. A total of 49 and 46 compounds were identified from shoots and roots accounting for 95.6 % and 88.4 % respectively. β-caryophyllene is reported as major compound 36.2 ± 0.50 % in essential oil of the shoots and 33.8 ± 0.55 % in essential oil of the roots. Both essential oils of shoots and roots were dominated by sesquiterpene hydrocarbons (59.2–76.4%), followed by oxygenated sesquiterpene (14.9–20.3%). The in vitro antioxidant activity was determined using DPPH radical scavenging activity, H2O2 radical scavenging activity, and Iron(II) complexing activity. The highest antioxidant activity was observed in root essential oil of B. mollis. The oils also inhibited the activity of α-amylase with IC50 of 3.53 ± 0.04 μg/ml (shoot), 3.45 ± 0.04 μg/ml (root). Root oil also showed good activity for protein denaturation with IC50 of 3.02 ± 0.03 g/ml as compared to shoot essential oil. This is first time that essential oil constituent and biological activity of B. mollis roots and shoots have been characterized from India.
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