powder microscopy of crude drugs.pdf

8/10/2019 powder microscopy of crude drugs.pdf

1/52

RevisionMedicinal leaves, barks, flowers and herbs


2/52

MEDICINAL LEAVESSenna, Eucalyptus, Datura, Belladonna and Hyoscymus


3/52

Senna

Unicellular,uniserriate,non-glandular trichomes covered by warty cuticle


4/52

Senna

True crystal sheath Showing Ca.Ox Prisms


5/52

Eucalyptus

Lamina shape

Ensiform


6/52

Eucalyptus

T.S in the leaf


7/52

Datura

Morphology of Datura


8/52

Datura

T.S in the leaf


9/52

Datura

Vein Islets showing Ca.Ox Clusters


10/52

Datura

Clavate trichomeMulticellular uniserriate non

glandular trichome


11/52

Belladonna

Morphology of Belladonna


12/52

Belladonna

Vein islet showing idioplast of microspheroidal Ca.ox


13/52

Hyoscymus

Morphology of the leaf


14/52

Hyoscymus

T.S in the leaf


15/52

Hyoscymus

T.S in the leaf


16/52

Hyoscymus

Branched Glandular trichome


17/52

Hyoscymus

Anisocytic Stomata


18/52

MEDICINAL BARKSCinnamon & Cinchona


19/52

CINNAMON

Quills and double quills of barks


20/52

CINNAMON

T.S In cinnamon bark

Scleride


21/52

CINNAMON

Lignified fibers with narrow

Lumen and tapered ends

Horse shoe Scleride


22/52

Cinchona

Morphology of Cinchona


23/52

Cinchona

T.S in Cinchona


24/52

Cinchona

Cinchona Fibers showing Funnel like pits


25/52

Cinchona

Cinchona Fibers showing Funnel like pits


26/52

Medicinal woodQuassia


27/52

Quassia

Morphology of Quassia


28/52

Quassia

T.S in Quassia


29/52

Quassia

T.L.S in Quassia


30/52

Quassia

R.L.S in Quassia


31/52

Medicinal FlowersSantonica , chamomile and Clove


32/52

Santonica

Spherical Pollen grain


33/52

Santonica

Cottony hair


34/52

Chamomile

Spherical Pollen grain with

spiny exine.


35/52

Chamomile

Ovary wall showing elongated mucilage cells


36/52

Clove

Clove buds


37/52

Clove

T.S in Hypanthium T.S in ovary


38/52

Clove

Biconvex with rounded edges triangular pollen grain

Pollen grain


39/52

Pollen grain


40/52

Medicinal HerbsMentha

M h


41/52

Mentha

Morphology of the leaf

M h


42/52

Mentha

T.S in the stem

M h


43/52

Mentha

Labiacious trichome

Surface view


44/52

The Exam


45/52

Exam

SpotsUnknown

Powder

S t


46/52

Spots

The exam will contain 5 sample for

identification

2 Morpholgy

3 Microscopical

S t


47/52

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.


48/52

Unknown powder


49/52

Unknown powder

You will receive your unknown powder in eppendorf tubes

Sample

Search for Fiber


50/52

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


51/52


52/52

powder microscopy of crude drugs.pdf

Documents