Development of a New Binary Solvent System Using Ionic Liquids as Additives to Improve Rotenone Extraction Yield from Malaysia Derris sp.

Figure 1

Molecular structure of (a) rotenone and (b) one of the selected ionic liquids: 1-butyl-3-methylimidazolium trifluoromethanesulfonate, [BMIM] OTf.

(a)

(b)