May 2012

Production and characterization of activated carbon from selected local raw materials

Quality indices of activated carbons from cattle bone (CB), coconut-shell (CS) and wood carbon (WC) as influenced by mode of activation (heat and acid) were studied using the non-activated carbon samples as control. Preliminary investigation was carried out to determine optimum condition for carbonization and activations. The iodine values, ash, bulk densities, moisture, hardness and porosity analysis of the samples...

Author(s): Yusufu M. I., Ariahu C. C. and Igbabul B. D.  

May 2012

Physicochemical study of acemannan polysaccharide in Aloe species under the influence of soil reaction (pH) and moisture application

Two Aloe plant species were subjected to different treatment of pH (6.0, 6.5, 7.0, and 7.5) and moisture supplements at crop coefficient (kc 0.2, 0.3, 0.4, 0.5) under cultivation practices. Aloe polysaccharide (acemannan) was found to be a major component in the leaves of Aloe plant. Acemannan is considered a major and the main active ingredient in Aloe gel. Therefore, knowledge of its chemical composition and physical...

Author(s): Jyoti Nema, S. K. Shrivastava and N. G. Mitra