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Total records found : 1
Simplified search suggestions : Fakhira Liyana Mohd Zaki
12021
thesis
Investigation of essential oils, Phytochemistry and anatomical of Vitex negundo, Vitex trifolia, Plectranthus amboinicus and Plectranthus monostachyus (LAMIACEAE)
Fakhira Liyana Mohd Zaki
This study aimed to analyze the essential oils composition, phytochemistry, anatomical and antioxidant activity of the genus Vitex (V. negundo and V. trifolia) and Plectranthus (P. amboinicus and P. monostachyus) from Lamiaceae family. The essential oils were obtained via hydrodistillation technique and their chemical compositions were determined by gas chromatography (GC-FID) and gas chromatography-mass spectrometry (GC-MS). The phytochemicals were obtained using chromatography techniques and their structures were confirmed by spectroscopic data and comparison with literatures. The anatomical study have been investigated on the lamina, midrib and petiole of the leaves part. The antioxidant activity of the essential oils was investigated using DPPH free radical scavenging assay. The study showed a total of 14 and 18 components were identified from the leaf oils of V. negundo (92.8%) and V. trifolia (91.5%), respectively. The results revealed that the essential oils are made.....

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