Phytochemicals

Positive results

Nepeta cataria

Basella alba

MeOH

H2O

MeOH

H2O

Phenol

deep bluish-green

+

+

+

Tannin

blue-black

+

+

Phlobatannin

red precipitate

+

Saponin

Formation of honey comb

+

+

+

+

Flavonoid

yellow color

+

+

Steroid

violet to blue or green

+

Essential oil

white precipitate

+

+