Table 5.
Class of compound |
Sample |
|
---|---|---|
Dried leaf | MEMM | |
Flavonoids |
++ |
+++ |
Triterpenes |
++ |
++ |
Tannins |
++ |
++ |
Saponins |
++ |
+ |
Steroids |
+++ |
++ |
Alkaloids | - | - |
For flavonoids, tannins, triterpenes and steroids – + : weak colour; ++ : mild colour; +++ : strong colour.
For saponins – + : 1–2 cm froth; ++ : 2–3 cm froth; +++ : >3 cm froth.
For akalioids – + : negligible amount of precipitate; ++ : weak precipitate; +++ : strong precipitate.