Fourier transform infrared (FTIR) spectroscopy method was used for the analysis of phytochemicals present in Tabebuia rosea seed oil and its biodiesel. FT-IR spectra of Tabebuia rosea seed oil and its biodiesel have been recorded in the region 2925 -604 Cm -1 . FT-IR is a vibrational spectroscopy that records absorptions of IR light by chemical bonds in all molecules including polymers. The different frequency ranges and their different functional groups were analyzed during the study period. FT-IR spectroscopy of the Tabebuia rosea seed oil reveals diverse functional groups and there by confirmed the possible presence of phytochemicals such as Terpenoids, Steriods, Flavonoids, Tannins, Coumarins, etc.
The current study was undertaken to assess the phytochemical and antimicrobial properties of the methanolic extract of Tabebuia rosea. The Soxhlet extract of seeds, when subjected to preliminary phytochemical screening, showed the presence of Essential oils, Terpenoids, Steroids, Flavonoids, Tannins, Coumarins, Cardioglycosides, Phenols, and Flavons. The methanolic extract and extracted oil were tested for their antimicrobial activity against Escherichia coli, Staphylococcus aureus, Candida albicans and Aspergillus niger by Agar Well Diffusion method under in-vitro condition. The potency against microbes was observed in the seed extract and the oil extract of Tabebuia rosea.
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