CHEMICAL COMPOSITION AND ANTIBACTERIAL ACTIVITY OF THE ESSENTIAL OIL OF THE Toona sureni (Blume) Merr

Abstract

The essential oil composition of the Toona sureni (Blume) Merr leaf was analyzed by GC-MS. More than 68 peaks, representing 99.99% of total oil, forty three components were identified, this represents 80.65% of the total oil component. The major components were α-terpinene (9.58%), α-copaene (8.39%), bicyclogermacrene (7.61%), δ-cadinene (6.65%), β-elemene (4.88%), germacrene-D (4.65%), δ-selinene (3.58%), caralene (3.10%), β-caryophyllene (2.88%), α-cubebene (2.82%), δ-gurjunene (2.20%), and (-)-isoledene (2.05%). The antibacterial activity of the essential oil of Toona sureni (Blume) Merr leaf was evaluated using disk diffusion method. The oil was effective on the inactivation of Escherichia coli, Staphylococcus aureus and Bacillus subtilis.

Antibacterial Activity of Methyl Gallate Isolated from the Leaves of Toona sureni

“…The leaves of the plant was previously studied and several compounds and biologycal activities have been reported due to the presence of tetranortriterpenoid (limonoid) [3]- [4], carotenoid [5]- [8], triterpenoid [9], methyl gallate [10], and essential oil [11]. Methyl gallate exhibited antioxidant activities [10].…”

Cinnamon and amylum mucilage alter the physicochemical, sensory, and antioxidant activity of Arthrospira platensis granules

“…The dry biomass of A. platensis and cinnamon powder served as the granules primary sources of antioxidants. The addition of cinnamon powder should have an impact on the FRAP value of A. platensis granules, as study by [34] found that cinnamon bark extract includes an antioxidant component in the form of cinnamaldehyde up to 68.65%. However, because the amount of cinnamon powder applied in this study was so small, only between 0.5 and 1.5% the granule FRAP value was unaffected.…”