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Extraction and concentration of biogenic calcium oxalate from plant leaves

Liovando Marciano da Costa, Jairo Tronto, Vera Regina Leopoldo Constantino, Marilane Kalyetta Almeida Fonseca, Alessandra Pacobahyba Oliveira, Marcelo Rocha da Costa

01/Jun/2009

The objective of this study was to extract and concentrate calcium oxalate (CaOx) crystals from plant leaves that form the above mentioned crystals. The chemical and physical studies of CaOx from plant to be performed depend on an adequate amount of the crystals. The plant used in this study was croton (Codiaeum variegatum). The leaves were ground in a heavy duty blender and sieved through a 0.20 mm sieve. The suspension obtained was suspended in distilled water. The crystals were […]