GC-MS Determination of Major Bioactive Constituents and Anti-oxidative Activities of Aqueous Extracts of Cinnamomum burmannii Blume Stem
Gabriel A. Akowuah,
Soo C. Tan,
Mun F. Yam.
The aim of this study was to determine the major boactive constituents, trans-cinnamic acid and transcinnamaldehyde,
and anti-oxidative activities of 50% aqueous methanol and water extracts of Cinnamomum burmannii
Blume stem bark. Gas chromatography-mass spectrometry (GC-MS) was used to analyse the extracts. The content of
trans-cinnalmadeyde quantified in the 50% aqueous methanol and water extracts were 50.14 µg/mg and 12.83 µg/mg of
dry extract, respectively. The content of trans-cinnamic acid quantified in the water extract was 49.7 µg/mg of dry extract.
Trans-cinnamic acid was not detected in the 50% aqueous methanol (v/v) extract. The extracts demonstrated in vitro antioxidative
effects with the 50% aqueous methanol extract being more potent than the water extract.
Keywords: Cinnamomun burmannii, GC-MS analysis, cinnamaldehyde, cinnamic acid, anti-oxidative activity.
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