Umbelliferous Fruits Cont.
Department of Pharmacognosy Faculty of Pharmacy Cairo University
Ammi visnaga
Ammi majus
The dried ripe fruits of Ammi visnaga Ammi majus
Family Umbelliferae1) 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
Ammi majus
Outline: Regular pentagonal Pericarp represent ¼ of T.S. while the seed represent the whole remain area.
T.S
6
lacuna
Fan-like structure
IML of mesocarp
• Showing 5 distinct more prominent 1ry ridges & 4 less prominent 2 ry ridges.
Orthospermous endosperm
Epicarp
Testa
Mesocarp
Endocarp
7
Crown shape V.B
Fan-like structure
• Showing 5 1ry ridges & 4 2ry ridges equally prominent.
Orthospermous endosperm
Epicarp
Mesocarp
Endocarp Testa
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 H.PVittae
Indistinct Parquetry endocarp
Special ch. Test: Test for khellin:
Rose Red
Powder Decoction
KOH pellets
• Origin: The dried ripe fruit of Coriandrum sativum family Umbelliferae
Remains of calyx
Straight more prominent 2ry ridges
Wavy less prominent 1ry ridges
Mericarp (Ventral side)
Mericarp (Dorsal side)
Entire Cremocarp
Globular
Coriander Fruit
Less prominent 1ry ridges
More prominent 2ry ridge
Vittae 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
EndocarpPitted innermost layer of mesocarp
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