Page 19 - final Practical handout PG 303-Cogno-2- 2024-2025

Pharmacognosy-2 (PG 303)

fruits Ammi visnaga Capsicum fruits Colocynth fruits
‫ثم‬ ‫ثمر الحنظل‬
‫ثمر الخله البلدى‬ ‫ثمرالشطه‬

The fruit is berry Used part of fruit is the
oblong conical, dried Pulp??
bilocular, axile Easily broken globular
placentation masses

pe. Mostly mericarp
dges (small and ovoid).
ent 2ry

Orthospermous

campylotropous

dull orange red to White or pale
brownish red yellowish, buff
Odorless
Slightly aromatic
intensely bitter
taste. bitter taste. Extremely fiery persistent taste
ed with pungent taste

Test for khellin: Test for pungency:
boil powdered Ammi pungency destroyed
visnaga with water, by oxidizing agents
and then take 1-2 as potassium
drops of the permanganate or
decoction with solid dichromate.
KOH pellets, a rose Test for capsaicin:
red color is produced red color with 66%
within 2 minutes. H₂SO₄

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