Table 2

Technical error rates for metabolite profiling of Chlamydomonas reinhardtii cells.

Homogenization
Solvent system
Identified metabolites
All peaks

glass beads
MCW
30%
39%
glass beads
WiPM
26%
34%
steel ball
MCW study1
16%
22%
steel ball
MCW study2
18%
23%
steel ball
WiPM study1
21%
30%
steel ball
WiPM study2
25%
38%
steel ball
MeOH
30%
40%
steel ball
WiPA
28%
38%
steel ball
MCW (10/3/1)
30%
37%

The median precision (as relative coefficient of variance) is given for the 80 compounds identified by BinBase, resp. over all 334 peaks that were annotated metabolic signals by BinBase. Study 1 comprised the comparison of grinding methods, study 2 compared different solvents. Abbreviation of solvents as given in figures 3–5.

Lee and Fiehn Plant Methods 2008 4:7   doi:10.1186/1746-4811-4-7