Table 3. Kruskal-Wallis test results comparing spiking treatments.

Metabolite	Treatment	Mean ± SE(mM g−1 extract weight)	Chi-Square	p-value	Kruskal-WallisGroupings
Alanine	Control	6.61±3.20	11.415	0.0033	b
	0. mM	5.12±1.09			b
	10 mM	145.83±37.77			a
Glucose	Control	9.51±4.54	11.368	0.0038	b
	0. mM	3.54±0.45			b
	10 mM	87.79±22.12			a
Glycolate	Control	ND*	15.725	0.00038	ND
	0.1 mM	3.12±1.45			b
	10 mM	80.09±27.66			a

*ND = Not Detected.