Transcript Umbelliferous Fruits Cont.

Department of Pharmacognosy
Faculty of Pharmacy
Cairo University
Umbelliferous Fruits
Cont.
Ammi visnaga
Ammi majus
The dried ripe fruits of
Ammi visnaga
Ammi majus
Family Umbelliferae
1) Entire cremocarp:
Ovoid
nearly cylindrical
Crowned with pyramidal stylopod.
Ammi visnaga
Ammi majus
•bearing a reflexed style
2) Carpophore:
Simple
Forked
3) Dorsal side:
•Glabrous showing 5
•papillosed showing 5
distinct more prominent
primary ridges & 4
1ry ridges & 4 less
secondary ridges equally
prominent 2 ry ridges.
prominent.
Ammi visnaga
Ammi majus
4) Ventral side:
2 dark longitudinal bands ( vittae )
5) Median longitudinal cut (MLC):
One seed in each mericarp.
 Testa: very thin with raphe on one side
(anatropous).
 Kind: Albuminous with orthospermous endosperm.
 Embryo: Apical \ small \ straight \ dicot.
Ammi visnaga
T.S
Ammi majus
 Outline: Regular pentagonal
 Pericarp represent ¼ of T.S. while the seed
represent the whole remain area.
Epicarp
Mesocarp
lacuna
Endocarp
Orthospermous
endosperm
Fan-like structure
Testa
• Showing 5 distinct more prominent
1ry ridges & 4 less prominent 2 ry
ridges.
IML of mesocarp
6
Epicarp
Orthospermous
endosperm
Crown shape V.B
Mesocarp
Endocarp
Testa
• Showing 5 1ry ridges & 4 2ry
ridges equally prominent.
Fan-like structure
7
Ammi visnaga Ammi majus
1)Epicarp:
Non papillosed
papillosed
2)Mesocarp: A) Vittae: in 2ry ridge region surrounded by
slightly radiating cells (fan like str.).
B)Vascular bundle:
•Crescent shaped
•Crown shape, no
around a wide empty
lacuna
vittae (lacuna).
C) IML:
•Polygonal cells with
•Non porous.
porous walls.
3)Endocarp: • Indistinct parquetry
• Distinct parquetry
Powder of Ammi visnaga
Colour: Brown.
Odour: Slightly aromatic.
Taste: aromatic, bitter & slightly pungent.
Inner most layer of mesocarp
( porous Layer)
L.P
Vittae
H.P
Indistinct Parquetry endocarp
 Special ch. Test:
Test for khellin:
KOH pellets
Powder
Decoction
Rose Red
Coriander Fruit
Globular
Remains of calyx
Mericarp
(Ventral side)
Mericarp (Dorsal side)
Wavy less prominent 1ry ridges
Entire Cremocarp
Straight more prominent 2ry ridges
• Origin: The dried ripe fruit of Coriandrum sativum family
Umbelliferae
More prominent
2ry ridge
Vittae
Less prominent 1ry
ridges
Coelospermous endosperm
T.S. in Coriander
Vertical fibres
Horizontal fibres
Innermost layer of mesocarp
Powder of Coriander
Colour: Light brown.
Odour: Aromatic.
Taste: Aromatic, spicy, characteristic.
16
Simple Vittae
Wavy Crossed fibres
Endocarp & IML
of mesocarp
Pitted innermost
layer of mesocarp
Endocarp