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. Author manuscript; available in PMC: 2010 Jul 12.
Published in final edited form as: J Pharm Biomed Anal. 2009 Feb 20;49(5):1141–1149. doi: 10.1016/j.jpba.2009.02.011

Table 5.

Quantities of the isomeric alkylamides K, L and M and alkylamide J in ethanolic extracts of E. purpurea root.

Alkylamides K, L & M Alkylamide J
Type of Extract Fresh 1:2 Dry 1:11 Dry 1:5 Fresh 1:2 Dry 1:11 Dry 1:5
Mean Concentration (mg/mL)1 1.4 1.6 7.2 0.0047 .0072 0.013
Mean Concentration (mM)1 5.7 6.4 29 0.019 0.029 0.054
SE2 0.5 0.2 3 0.001 0.0004 0.002
1

The mean concentration was calculated for four replicate extractions (n = 4)

2

SE represents the standard error of the concentrations in mM