Product of volatile oil oxidation
RESINS AND RESIN COMBINATIONS
RESINS AND RESIN COMBINATIONS characteristics
Crystalline or amorphous solids
Schizigenous ducts/glands
RESINS AND RESIN COMBINATIONS
Oxyacids
resin acids
complex alcohol by high molecular weight that do not give a tannin rx with ion salts
Resin alcohols
Acid and alcohol
Esters
Gives color with FeCl3
Resinotannols
Hydrocarbons
Resenes
Complex neutral substances devoid of characteristics chemical properties
Resenes
FeCl3 test-
greenish-blue color
HCl test
pink color
Copper acetate test
emerald green
Combined umbelliferone test (Asafetida)-
blue fluorescence,
red/green/violet color
Test for oleoresin
green color
Test for oleo-gum-resin-
purplish violet/violet color
Test for balsam
reddish brown color, faint odor of
benzaldehyde
Test for Tolu balsam-
green color, odor of benzaldehyde
PHARMACEUTIC RESINS
➢ Obtained through:
Extraction with alcohol and precipitation with water
Separated from oleoresin by distillation
Collection of exudates
Extraction with alcohol and precipitation with water
Jalap, Podophyllum
Separated from oleoresin by distillation
Turpentine, Copaiba