Isolation, Purification, and Characterization of Gums from the Bark of Terminalia mantaly and Khaya senegalensis.

This study investigates the physicochemical, mineral, proximate, FTIR, and SEM analysis of the gums obtained from the bark of Terminalia mantaly and Khaya senegalensis. The physicochemical analysis for Terminalia mantaly gum (TMG) gave values of 30.76 %, 4.50, 0.10 g/cm³, 0.142 mg/cm³, 8.78 %, and 10.55 % for percentage yield, pH, bulk density, tapped density, swelling index and water absorption capacity respectively while 29.50 %, 4.80, 0.12 g/cm³, 0.105 mg/cm³, 8.45 %, and 10.27 % for percentage yield, pH, bulk density, tapped density, swelling index and water absorption capacity respectively were recorded for Khaya senegalensis gum (KSG). The results of the proximate analysis showed that TMG had a higher percentage of moisture content, crude fat and ash content than KSG, and KSG had a higher percentage of crude fibre, crude protein, and carbohydrate content than TMG. Elemental analysis for Terminalia mantaly gum (TMG) gave values of 58.50 mg/kg, 42.0 mg/kg, 11.30 mg/kg, 38.50 mg/kg, 2.58 mg/kg, 1.53 mg/kg, and 0.33 mg/kg for potassium, magnesium, sodium, calcium, zinc, iron, and copper respectively while 58.00 mg/kg, 41.60 mg/kg, 39.00 mg/kg, 10.50 mg/kg, 1.50 mg/kg, 2.34 mg/kg, and 0.30 mg/kg for potassium, magnesium, calcium, sodium, iron, zinc, and copper respectively were recorded for Khaya senegalensis gum (KSG). The results show no toxicity and high nutritional and mineral value of the gums. Thus, they are safe to be used in the pharmaceutical and food industries. [ABSTRACT FROM AUTHOR]

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