Research Article

Hypoglycemic Activity of Aqueous Extracts from Catharanthus roseus

Table 3

Phytochemical constituents detected in Catharanthus roseus extracts.

Plant partExtractsAlkaloidsPolyphenolsTerpenoids/SterolsFlavonoidsGlycosidesSaponins

FHexane+
FCH2Cl2+
FCH3OH+++
FAqueous++
LHexane+
LCH2Cl2++
LCH3OH+++++
LAqueous++
SHexane++
SCH2Cl2++
SCH3OH++++
SAqueous+
RCH2Cl2++
RCH3OH+++++
RAqueous++

F: flower; L: leaves; S: stem; R: root; CH2Cl2: dichloromethane; CH3OH: methanol.