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.

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Simple Vittae

Wavy Crossed fibres

Endocarp & IML of mesocarp

EndocarpPitted innermost layer of mesocarp