Hypoglycemic Activity of Aqueous Extracts from Catharanthus roseus

Table 4

Retention times and spectral signals of compounds detected in the alkaloid free aqueous stem fraction.

Compound	Retention time (min)	Wavelength (nm)
1	3.20	228.3
2	3.46	204.6	302.2 sh
3	4.10	253.2

Sh: short.