Antidiabetic Effect of Young and Old Ethanolic Leaf Extracts of Vernonia amygdalina: A Comparative Study

Table 1

Preliminary screening of ethanolic leaf extract of V. amygdalina.

Phytochemicals	OL	YL
Flavonoids	+++	−−−
Alkaloids	+++	+++
Saponins	+++	+++
Tannins	+++	+++
Glycosides	+++	+++
Reducing sugars	+++	+++
Terpenoids	+++	+++
Anthraquinones	−−−	−−−

+++ = detected; −−− = not detected; OL = old leaf; YL = young leaf.