Page 233 - Pharmacognosy 2 PG303
P. 233
Pharmacognosy-2 (PG303) Level 2 Clinical Pharmacy-Pharm D
fluorescence within 24 hours.
Tests for Purity
Powdered senega contains no, or very few, starch granules, no Ca.Ox. crystals
(other roots); no inulin (false senega); and only very few fragments of bast fibers
(senega stern).
1- Cork in surface view showing granular 8- Cork in sectional
material in some of the cells. view.
2- Cork from the crown of the root in 9- Sieve tissue in
surface view. longitudinal view.
3- Part of the cork and phelloderm in 10- Xylem parenchyma
sectional view, with globules of fixed oil in longitudinal view.
(f.o) in the cells of the phelloderm.
4- Parenchyma in longitudinal view. 11- Epidermis of the
scale leaves in
surface view.
5- Fragment of the epidermis of the scale 12- Parenchyma in
leaves in surface view, with an transverse section
attached trichome.
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