Extraction of Dye from Detarium microcarpum and Its Application on Leather

The present research is aimed at extraction of dye from the seed of Detarium microcarpum (taura). The dye was extracted by soxhlet extractor using ethanol as the solvent. The dye produced was analyzed for its solubility, PH, functional group, and phytochemicals. The result of the solubility shows that the dye extracts have different solubility in different solvent medium as a result of the differences in composition of the solvent. From the FTIR result, the absorption band at 3302.4 cm⁻¹ is due to the presence of –OH functional group from alcohol and –NH from amines, 1744.4 cm⁻¹ is due to the presence of aldehydes and ketones which serves as auxochromes on the chromogen molecule responsible for the dyeing ability of the Detarium microcarpum extract. The phytochemical screening reveals the presence of phenol, quinines and Anthraquinones which are the secondary metabolites present in the seed of Detarium microcarpum. The dye extract can also be used to colour substances such as food, cotton, fabric, especially leather with a degree of performance as a result of the force or bonds formed between the dye molecules and the leather substrate. In the course of the soxlet extraction, it also revealed that the seed of Detarium microcarpum contained in it a bio-oil which was extracted alongside the dye. Result from FTIR revealed that the oil is also edible and consumable.