. Author manuscript; available in PMC: 2014 Dec 14.

Published in final edited form as: Green Chem. 2014 Dec;16(12):4786–4815. doi: 10.1039/C4GC00236A

Table 7. List of mixtures of value-added compounds extracted from natural sources using ILs or IL solutions (the molecular solvent is presented between parentheses) and different extraction techniques employed.

Value-added compound	Natural source	Technique	IL
Essential oils	Dryopteris fragrans and Fructus forsythiae	MAE	[aC₁im]Cl, [C₂C₁im][C₁CO₂], [C₄C₁im]Br, [C₄C₁im]Cl (pure IL)^71,72
	Illicium verum and Cuminum cyminum		[C₆C₁im][PF₆] (pure IL)⁷³
	Rosmarinus officinalis (rosemary)		[C₁₀C₁im]Br, [C₂C₁im]Br, [C₄C₁im][BF₄], [C₄C₁im][NO₃], [C₄C₁im]Br, [c₄c₁im]cl, [C₆C₁im]Br, [C₈C₁im]Br (water)⁵⁵
	Schisandra chinensis		[C₁₀C₁im]Br, [C₁₂C₁im]Br, [C₂C₁im]Br, [C₄C₁im][BF₄], [C₄C₁im][C₁CO₂], [C₄C₁im][ClO₄], [C₄C₁im][HSO₄], [C₄C₁im][NO₃], [C₄C₁im][OH], [C₄C₁im]Br, [C₄C₁im]Cl, [C₆C₁im]Br, [C₈C₁im]Br (water)⁶⁵
Gallotannins	Galla chinensis	UMAE	[C₄C₁im][BF₄], [C₄C₁im]Cl, [C₄C₁im]Br (water)⁷⁴
Suberin	Quercus suber (cork)	SLE	[C₂C₁im][C₂OCO₂], [C₂C₁im][C₁CO₂], [C₂C₁im]Cl, [C₄C₁im]Cl, [N_111(2OH)][C₃CO₂], [N_111(2OH)][C₅CO₂], [N_111(2OH)][C₁₃CO₂], [N_111(2OH)] [C₁CO₂], [N_111(2OH)][C₂OCO₂],⁷⁵ [C₂C₁im][C₅CO₂], [N_111(2OH)][C₅CO₂], [N_111(2OH)][C₇CO₂], [N_111(2OH)][C₉CO₂] (pure IL)⁷⁶
Saponins Polyphenols	Ilex paraguariensis (mate) and Camellia sinensis (tea)		[aC₁im]Cl, [C₂C₁im][C₂OCO₂], [C₂C₁im][CF₃SO₃], [C₂C₁im][C₂SO₄], [C₂C₁im][C₁CO₂], [C₂C₁im][N(CN)₂], [C₂C₁im]Cl, [C₄C₁im]Cl, [C₆C₁im]Cl, [C₇H₇C₁im]Cl, [C₈C₁im]Cl, [N_111(2OH)][NTf₂], [N_111(2OH)]Cl, [(OH)C₂C₁im]Cl (water)⁷⁷
Para Red Sudan (I, II, III and IV)	Chilli powder and chilli oil		[C₄C₁im][PF₆], [C₆C₁im][PF₆] (pure ILs)⁷⁸