21. These people especially should reduce their oxalate intake and increase their calcium intake. 22. It forms esters such as dimethyl oxalate ( m . p . ). 23. Oxalic acid and oxalates can be oxidized by permanganate in an autocatalytic reaction. 24. Crystals of calcium oxalate are in the leaf mesophyll. 25. Oxalates also decolourise KMnO 4 and give a white precipitate with CaCl 2.26. In contrast, mineralized calcium secretions in cacti are composed of calcium oxalates . 27. "Aglaonema " plants are poisonous due to calcium oxalate crystals. 28. In rubrocurcumin, one molecule curcumin is replaced with oxalate compared to rosocyanine. 29. Calcium oxalate stones are also common in domestic rabbits. 30. The calcium oxalate crystals occur in the tetragonal form, known as weddellite.
