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. 2011 Jul 22;1(3):213–218. doi: 10.1016/j.jpha.2011.04.002

Figure 1.

Figure 1

GC–MS total ion chromatograms of essential oil in safflower from Xinjiang (No.1, a–e) and Henan (No. 2, a′–e′) using five different extraction solvents: a, a′, diethyl ether; b, b′, ethanol; c, c′, ethyl acetate; d, d′, dichloromethane; e, e′, acetone.