... Drosera burmanni 4 nh Drosera burmanni Vahl 4 D. burmanni 5 nh 2.4. D. burmanni Vahl 7 ... - Anthraquinone content of red-leaf D. burmanni Vahl took 0,78% of DW, compared with 2,78% DW in green-leaf trees. - Biomass of D. burmanni s suspension contained 0,02% of fresh weight of anthraquinone, ... used to purify anthraquinone compound in D. burmanni. This compound was used as authentic sample for HPLC technique. - Roots of D. burmanni contained 3,01% dry weight (DW) of anthraquinone, ...