Page 300 - Pharmacognosy 2 PG303

Pharmacognosy-2 (PG303)

■ Sugars ▪ A small ▪T
■ Pectins , percentage of
alkaloids ✓S
phytosterols , (valerianine( d
v
fixed and volatile Sedative and p
oils. tranquilizer
used in case of Used
Chemical ➢ Using micro - nervous tension , bron
tests sublimation test, anxiety ,
restlessness and
Uses Powdered gentian insomnia.

gives pale yellow

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.

▪ Bitter tonic and ▪

stomachic
▪ antifungal

activity.
▪ immunostimulant

activity.