Table 1

Distribution of flavonoids in Zelkova species; (+) indicates significant amounts and (tr) indicates trace amounts.

Species Species	Myrcetin				Quercetin				Kaempferol Dark Spot
Species Species	3-rhamnoside	3-glucoside	3-rutinoside	3-glucoronide	3-glucoside	3-rutinoside	3-glucoronide	7-glucoside	3-glucoside
abelicea	+	tr	tr	+	0	tr	tr	0	0	0
schneideriana	0	+	0	+	+	0	tr	0	tr	0
sinica	+	tr	0	+	tr	0	+	0	0	0
carpinifolia	0	+	0	0	+	0	0	0	+	+
serrata	0	0	0	0	0	+	0	+	0	0
X verschaffeltii	0	+	0	0	+	tr	0	+	+	+