2 ml of the organic extract was dissolved in 2 ml of chloroform and evaporated to dryness. 2 ml of concentrated sulphuric acid was then added and heated for about 2 min. A greyish colour indicates the presence of terpenoids.
2 ml of the organic extract was dissolved in 2 ml of chloroform andevaporated to dryness. 2 ml of concentrated sulphuric acid wasthen added and heated for about 2 min. A greyish colour indicatesthe presence of terpenoids.