Page 365 - Pharmacognosy 2 PG303

Pharmacognosy-2 (PG303)

Shape and
commercial product

Constituents Abietic acids (α,β,γ, 84%). •R
Uses They are formed, by the • Vo
Test for identity effect of heat (Artifacts), from •G
pimaric acid present
in natural turpentine •C
• Stimulant and diuretic. • ex
• Ingredient of ointments and • an
• la
some varnishes.
• Printing inks. Fresh
• Floor coverings. One
reddi
Test for abietic acid: which
0.5 g colophony + 5 mL chan
petroleum ether → shake → wash
filter →filtrate + equal volume One
of dil. Copper acetate T.S. → HNO
the pet. a gre
Ether layer assumes emerald Test
green color 1g A
→ Bo
stron
NH4O