Coconut shells (300 g, Copper Glow Ltd, Dublin, Ireland) were pulverised in a Waring blender and the powder extracted with 4 l of chilled 50% aqueous methanol for 1 h, with occasional stirring. After incubation, the extract was filtered through glass wool, followed by filtration through Whatman No. 113 filter paper under vacuum. The methanol was removed by using a rotary evaporator under vacuum at 35C. The
residue was freeze-dried, yielding ca. 18 g of powder which was stored in a desiccator
Coconut shells (300 g, Copper Glow Ltd, Dublin, Ireland) were pulverised in a Waring blender and the powder extracted with 4 l of chilled 50% aqueous methanol for 1 h, with occasional stirring. After incubation, the extract was filtered through glass wool, followed by filtration through Whatman No. 113 filter paper under vacuum. The methanol was removed by using a rotary evaporator under vacuum at 35C. Theresidue was freeze-dried, yielding ca. 18 g of powder which was stored in a desiccator
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