Moringa Oleifera Husk is a natural plant and contains fiber. Burning process will turn this celluose and fiber in Carbon (C 4). All carbon whether organic or inorganic carbon as certain affinity to composites. Even though inorganic carbon are be used widely. Theoretically even plant carbon may also serve the similar purpose. Only on thing need to make sure the quality of plant fiber produce from burning. If the burning is not complete and free- OH or bonded OH still exist in large number (FTIR Peak 3600-3300), the the Polar state of the carbon might inhibit the adhesion between composite and carbon. Please contact me if further additional reference required Sir.