Table 2. Chromatographic Peaks in IC-Conductivity-MS Analysis for Figure 6 with Peak Number, Retention Time (R.T.), Anion Mass-to-Charge Ratio (m/z), and Name.

panel	peak no.	R.T. (min)	m/z	name
A	1	3.69	129	maleic acid monomethyl ester
	2	3.88	75	glycolic acid
	3	4.66	45	formic acid
	4	16.66	119	tartronic acid
	5	17.85	143	(E)-4-oxopent-2-enedioic acid
	6	18.38	89	oxalic acid
	7	19.40	213	hydroxysyringic acid
	8	21.77	197	syringic acid
	9	22.28	185	1,2,3,4-tetrahydroxybenzoic acid
	10	24.64	233	4-carboxy-2,3,5-trihydroxymuconic acid
	11	25.38	189	2,3,5-trihydroxymuconic acid
B	1	3.69	129	maleic acid monomethyl ester
	2	3.88	75	glycolic acid
	3	4.66	45	formic acid
	4	16.66	119	tartronic acid
	5	17.81	145	2-methoxyfumaric acid
	6	18.38	89	oxalic acid
	7	19.46	115	maleic acid
	8	22.09	167	vanillic acid
	9	25.29	193	1,2-dihydroxyethane-1,1,2-tricarboxylic acid
	10	26.78	183	hydroxyvanillic acid
C	1	4.66	45	formic acid
	2	16.66	119	tartronic acid
	3	17.81	145	2-methoxyfumaric acid
	4	18.38	89	oxalic acid
	5	19.46	115	maleic acid
	6	22.62	137	4-hydroxybenzoic acid
	7	25.29	193	1,2-dihydroxyethane-1,1,2-tricarboxylic acid