Page 224 - Phytochemistry 2 (06-PG 605)
P. 224
II- Triterpenes
1-Bruceolides
2-Cucurbitacins
3-Quassin
Sources: obtained from Quassia amara L.(Surinam quassia) and
from Picrasma excelsa (Sw.) Planch.(Jamaican quassia), family
Simaroubaceae
Identification Tests
1. quassin +2-3 drops of conc. H2SO4+sucrose →red colour
2. Phloroglucin Test:alcoholic solution of quassin + Of
phloroglucin + drops of conc.HCl → crimson red colour
colour .
Uses
insecticide and anthelmintic (as enema, for thread worms)
