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Fruits
Capsicum fruits – Senna pods
Pharmacogonosy II
Capsicum Fruit
— Origin :The dried ripe fruits of
Capsicum minimum F.Solanaceae
— Condition: Dried -ripe
— Shape: Ovoid to conical ovoid,
attached to 5- toothed calyx and a slender pedicle.
— Color: Orange red to red
— Kind: True, Simple, Succulent, Berry
(pericarp is fleshy and endocarp is not hard).
— Insertion: Superior
— Dehiscence: Indehiscent
— Odour: Sternutatory
— Taste: Fiery pungent taste
Pericarp
— Colour: Orange red
— Surface: Glabrous , shining
— Texture and Thickness: thin & leathery.
— Sutures: Nil
— Epi, meso and Endocarp: Indistinguishable.
— Placentation: Axile
Seed
— No: 10-20 in each fruit.
— Shape : reniform ( kidney-shapped)
— Kind: Albuminous, derived from Campylotropous ovule
— Embryo: Coiled, Dicot and Long radicle.
Pitted reticulated
surface
T.S in Pericarp
Islet of sclereid
in endocarp
IML of
mesocarp
Epicarp
Idioblast of microsphenoidal
crystals of ca.ox
Epicarp: thick cutinized, straight walled
rectangular cells, thickened on the 2
radial and outer tangential walls
Islets of sclerides of endocarp
IMLM =
Giant cell
Oil
globules
Outer
epidermis
Inner
epidermis
endosperm
T.S in capsicum seed
Capsicum fruit powder
Physical characters
— Color: orange red color
— Odour : sternutatory .
— Taste: fiery pungent .
Pungency is destroyed by KMnO4 (not by alkalis)
Key elements:
1- sclereids of endocarp.
2- Seed coat.
Polygonal elongated sclerieds having thick, sinous, pitted
and lignified walls
Low power High power
islets of sclerieds of endocarp
Low power High power
Large polygonal cells having thick, lignified
sinuous walls and branched lumen.
Seed coat
Senna pods= legumes
Origin: the dried ripe fruits of Cassia
acutifolia known as Alexandrian senna
and Cassia angustifolia known as
Indian senna Family: Leguminosae
— Condition: dried, ripe
— Shape :thin, papery, laterally
compressed, subreniform.
— Color : Pale green to greenish-
brown with a brown center area
(position of seeds)
— Odour: odourless.
— Taste: bitter mucilagenous.
— Kind : true, simple, dry, dehiscent, legume.
— Insertion : superior
— Dehiscence : along both dorsal and ventral
sutures.
— Placentation : Marginal
Ventral
side
Dorsal
side
Pericarp
• Colour: pale green to greenish brown
• Thickness and texture: thin and papery
• Surface : rough
• Sutures: dorsal and ventral
• Epi, meso & endocarp: indistinguished
macroscopically
Seed
• Number: Alex(5-7) , Indian(6-8)
• Adherence: adhere to ventral suture by
short funicle.
• Shape: obovate, wedge-shaped, hard
• Kind: albuminous, atropus.
• Embryo: large, straight, dicot.
Senna Powder
L.P. H.P.
Crossed fibres of endocarp
Palisade-like
epidermal
cells of the seed.
Bearer cells
horse-Shoe shaped hypodermis
In seed
Fragments of epicarp
showing Paracytic stomata and warty hairs.
Fragment of crossed fibres
(atypical crystal sheath)
Special chemical test:
Modified Borntrager’s test
Pd.
Seena
1) Boil with alc. KOH
2) Filter
1) Acidify with dil. HCl
2) Few drops H2O2
Filterate
1) Extract with organic solvent
2) Shake with NH3
Rose red color in
aqueous layer

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4895880.pdf

  • 1. Fruits Capsicum fruits – Senna pods Pharmacogonosy II
  • 2. Capsicum Fruit — Origin :The dried ripe fruits of Capsicum minimum F.Solanaceae — Condition: Dried -ripe — Shape: Ovoid to conical ovoid, attached to 5- toothed calyx and a slender pedicle. — Color: Orange red to red — Kind: True, Simple, Succulent, Berry (pericarp is fleshy and endocarp is not hard).
  • 3. — Insertion: Superior — Dehiscence: Indehiscent — Odour: Sternutatory — Taste: Fiery pungent taste Pericarp — Colour: Orange red — Surface: Glabrous , shining — Texture and Thickness: thin & leathery. — Sutures: Nil — Epi, meso and Endocarp: Indistinguishable. — Placentation: Axile
  • 4. Seed — No: 10-20 in each fruit. — Shape : reniform ( kidney-shapped) — Kind: Albuminous, derived from Campylotropous ovule — Embryo: Coiled, Dicot and Long radicle. Pitted reticulated surface
  • 5. T.S in Pericarp Islet of sclereid in endocarp IML of mesocarp Epicarp Idioblast of microsphenoidal crystals of ca.ox
  • 6. Epicarp: thick cutinized, straight walled rectangular cells, thickened on the 2 radial and outer tangential walls Islets of sclerides of endocarp IMLM = Giant cell Oil globules
  • 8. Capsicum fruit powder Physical characters — Color: orange red color — Odour : sternutatory . — Taste: fiery pungent . Pungency is destroyed by KMnO4 (not by alkalis) Key elements: 1- sclereids of endocarp. 2- Seed coat.
  • 9. Polygonal elongated sclerieds having thick, sinous, pitted and lignified walls Low power High power islets of sclerieds of endocarp
  • 10. Low power High power Large polygonal cells having thick, lignified sinuous walls and branched lumen. Seed coat
  • 11. Senna pods= legumes Origin: the dried ripe fruits of Cassia acutifolia known as Alexandrian senna and Cassia angustifolia known as Indian senna Family: Leguminosae — Condition: dried, ripe — Shape :thin, papery, laterally compressed, subreniform. — Color : Pale green to greenish- brown with a brown center area (position of seeds) — Odour: odourless. — Taste: bitter mucilagenous.
  • 12. — Kind : true, simple, dry, dehiscent, legume. — Insertion : superior — Dehiscence : along both dorsal and ventral sutures. — Placentation : Marginal Ventral side Dorsal side
  • 13. Pericarp • Colour: pale green to greenish brown • Thickness and texture: thin and papery • Surface : rough • Sutures: dorsal and ventral • Epi, meso & endocarp: indistinguished macroscopically Seed • Number: Alex(5-7) , Indian(6-8) • Adherence: adhere to ventral suture by short funicle. • Shape: obovate, wedge-shaped, hard • Kind: albuminous, atropus. • Embryo: large, straight, dicot.
  • 14. Senna Powder L.P. H.P. Crossed fibres of endocarp Palisade-like epidermal cells of the seed. Bearer cells horse-Shoe shaped hypodermis In seed
  • 15. Fragments of epicarp showing Paracytic stomata and warty hairs. Fragment of crossed fibres (atypical crystal sheath)
  • 16. Special chemical test: Modified Borntrager’s test Pd. Seena 1) Boil with alc. KOH 2) Filter 1) Acidify with dil. HCl 2) Few drops H2O2 Filterate 1) Extract with organic solvent 2) Shake with NH3 Rose red color in aqueous layer