S. N. Chemical test Color indication Result
1 Test for Steroids Bluish green ring +
2 Test for
triterpenoids
Purple ring +
3 Test for tannins (a) Bluish Black
Precipitation
(b) Precipitation
+
4 Test for Flavonoids Pink tomato red
colour
+
5
6
Test for Alkaloids
Test for Saponnins
Orange precipitate
Frothing
Persistence