powder microscopy of crude drugs.pdf
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Transcript of powder microscopy of crude drugs.pdf
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RevisionMedicinal leaves, barks, flowers and herbs
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MEDICINAL LEAVESSenna, Eucalyptus, Datura, Belladonna and Hyoscymus
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Senna
Unicellular,uniserriate,non-glandular trichomes covered by warty cuticle
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Senna
True crystal sheath Showing Ca.Ox Prisms
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Eucalyptus
Lamina shape
Ensiform
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Eucalyptus
T.S in the leaf
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Datura
Morphology of Datura
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Datura
T.S in the leaf
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Datura
Vein Islets showing Ca.Ox Clusters
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Datura
Clavate trichomeMulticellular uniserriate non
glandular trichome
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Belladonna
Morphology of Belladonna
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Belladonna
Vein islet showing idioplast of microspheroidal Ca.ox
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Hyoscymus
Morphology of the leaf
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Hyoscymus
T.S in the leaf
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Hyoscymus
T.S in the leaf
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Hyoscymus
Branched Glandular trichome
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Hyoscymus
Anisocytic Stomata
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MEDICINAL BARKSCinnamon & Cinchona
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CINNAMON
Quills and double quills of barks
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CINNAMON
T.S In cinnamon bark
Scleride
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CINNAMON
Lignified fibers with narrow
Lumen and tapered ends
Horse shoe Scleride
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Cinchona
Morphology of Cinchona
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Cinchona
T.S in Cinchona
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Cinchona
Cinchona Fibers showing Funnel like pits
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Cinchona
Cinchona Fibers showing Funnel like pits
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Medicinal woodQuassia
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Quassia
Morphology of Quassia
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Quassia
T.S in Quassia
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Quassia
T.L.S in Quassia
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Quassia
R.L.S in Quassia
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Medicinal FlowersSantonica , chamomile and Clove
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Santonica
Spherical Pollen grain
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Santonica
Cottony hair
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Chamomile
Spherical Pollen grain with
spiny exine.
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Chamomile
Ovary wall showing elongated mucilage cells
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Clove
Clove buds
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Clove
T.S in Hypanthium T.S in ovary
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Clove
Biconvex with rounded edges triangular pollen grain
Pollen grain
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Pollen grain
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Medicinal HerbsMentha
M h
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Mentha
Morphology of the leaf
M h
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Mentha
T.S in the stem
M h
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Mentha
Labiacious trichome
Surface view
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The Exam
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Exam
SpotsUnknown
Powder
S t
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Spots
The exam will contain 5 sample for
identification
2 Morpholgy
3 Microscopical
S t
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Spots
Instructions:-
Write down your name and ID
Pay attention to the no. of the spot and write
your answer in the correct space.
You will not be allowed to recheck the spot
after moving on.
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Unknown powder
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Unknown powder
You will receive your unknown powder in eppendorf tubes
Sample
Search for Fiber
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Search for Fiber
Cinchona fiberCinnamon fiberScleride
Confirm
Bark
Senna trichome
Vein islet
Labiacious trichome
Branched trichome
True crystal sheath
Confirm
ClusterMicrospheroidal DaturaBelladonna
Mentha
Hyoscymous
Leaves
Spiny Pollen grain
Smooth ,Dotted Pollen grain
Triangular pollen grain
ConfirmOvary wall
ConfirmCottony hair
Chamomile
Santonica
Clove
Flow
ers
Press tightly between 2 slides
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