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.