Table 1.

Flavonoid aglycones in the secretion of Sigesbeckia jorullensis separated by TLC

Substance zone	RF‐value	Colour after spraying with Naturstoffreagenz A	Abundance
1	0·88	Yellow	+++
2	0·74		Trace
3	0·62		Trace
4	0·49	Orange	++
5	0·40	Yellow	++
6	0·21		Trace
7	0·12	Orange	+++