Page 300 - Pharmacognosy 2 PG303

Pharmacognosy-2 (PG303) Level 2 Clinical Pharmacy-Pharm D

■ Sugars ▪ A small ▪ Traces of volatile oils.
■ Pectins , percentage of
phytosterols , alkaloids
(
fixed and volatile (valerianine
oils
.
Chemical ➢ Using micro - ✓ Shake the aqueous
tests sublimation test, decoction of Senega, a
Powdered gentian volumetric froth is
gives pale yellow produced .
crystals soluble in
KOH ,giving a
.
yellow solution
➢ Common
adulterants:
■ Rumex alpinus
(polygonaceae)
✓ Can be detected
using micro-
sublimation
test. The
sublimate gives
red color with
KOH .
Uses ▪ Bitter tonic and ▪ Sedative and Used as expectorant in ➢ Food Use ➢ To relieve pain ,
stomachic tranquilizer bronchitis flavoring agent inflammation and to
▪ antifungal used in case of ➢ Herbal Use shorten duration of
activity . nervous tension , anti-rheumatic, acute gout .
▪ immunostimulant anxiety , antiseptic ➢ It has potent
activity . restlessness and and antipruritic cytotoxic and

insomnia. ) anti-itch ( anticancer effects ,
properties . but it is highly toxic.

➢ Traditionally
Used for syphilis,

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