Table 2.

The conversion products profile of 1.1 mM coniferyl aldehyde, 1.8 mM ferulic acid and 9.7 mM p-coumaric acid with time

			0 h	2 h	24 h	48 h	72 h
Coniferyl aldehyde
Coniferyl aldehyde			+	+	+
Ferulic acid				+	+	+
Ferulic acid, isomer				+	+	+	+
Dihydroferulic acid					+	+	+
Homovanillin					+
2′,5′-Dihydroxyacetophenone					+
Coumaran					+	+
3-Vanilpropanol					+	+
4-Hydroxyphenylethylethanol					+	+	+
Phenyl ethyl alcohol					+	+	+
4-Hydroxyphenylethanol					+	+	+
Benzoic acid, 3-methoxy-4-hydroxy					+	+	+
p-Coumaric acid					+	+	+
Benzenepropanoic acid					+	+	+
4-Vinylguaiacol					+	+	+
Benzeneacetic acid							+
Ferulic acid
Ferulic acid			+	+	+	+	+
Ferulic acid, isomer				+	+
Dihydroferulic acid				+	+
2′,5′-Dihydroxyacetophenone					+
5-Allyl-1-methoxy-2,3-dihydroxybenzene					+	+
4-Hydroxyphenylethanol					+	+	+
Benzeneacetic acid					+	+	+
4-Vinylguaiacol					+	+	+
Phenylethyl alcohol					+	+	+
p-Coumaric acid
p-Coumaric acid			+	+	+	+	+
Coumaran					+	+	+
4-Hydroxyphenylethylethanol					+	+	+
Phenyl ethyl alcohol					+	+	+
2,6-(1,1-Dimethylethyl)phenol					+	+	+

“+” connotes the presence of a compound while a blank space means the compound was absent