TABLE 1.

Oxidized and reduced forms of quinones in G. trabeum cultures

Metabolites present	Concn (μM)a	Mean % in reduced form
In medium A
2,5-DMBQ + 2,5-DMHQ	27.6 ± 3.9	44b
4,5-DMBQ + 4,5-DMC	4.1 ± 0.6	73b
In medium B
2,5-DMBQ + 2,5-DMHQ	39.4 ± 4.1	65c
4,5-DMBQ + 4,5-DMC	7.6 ± 0.8	92c

^aMeans ± SDs for four replicates (medium A) or duplicates (medium B). 

^bDifferent by t test with P = 0.013. 

^cDifferent by t test with P = 0.004.