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. Author manuscript; available in PMC: 2010 Oct 14.
Published in final edited form as: J Agric Food Chem. 2009 Oct 14;57(19):8820–8830. doi: 10.1021/jf901202y

Table 3.

GC-MS analysis of selected third round E. angustifolia fractionsa

Echinacea angustifolia Fraction Compound Identified % of Fraction by Dry Weight Approximate Concentration of Compound (μg) Approximate Concentration of Compound (μM)
3D28 Bauer Alkylamide 8–9 18 0.18 0.64
3D32 Bauer Ketone 23 75 0.75 0.83
3E33 Bauer Alkylamide 10 34 0.34 0.15
Bauer Ketone 23 12 0.12 0.25
3E38 Bauer Alkylamide 11 87 0.87 3.47
3E40 Bauer Alkylamide 11 96 0.96 3.55
a

GC-MS analysis identified constituents present in 1 μg/ml of third round fractions, as well as the metabolites concentration. All identified constituents were confirmed via synthetic standards.