Page 280 - Pharmacognosy 2 PG303

Pharmacognosy-2 (PG303)

Liquorice ‫عرقسوس‬ Ginger ‫ل‬

(Sweet Root)

Origin Dried peeled or unpeeled root Dried rhizomes o
officinale family
and rhizome (stolon) of Zingiberaceae ,de
Glycyrrhiza glabra L .family most of its roots k
unpeeled or Jama
Leguminosae
(Fabaceae(

Active ■ 2-15% Triterpenoid ■ 1-3% volatile
constituents Saponins
(Zingiberene
Chemical ✓ Glycyrrihizin
tests ✓ 24-hydroxy Glycyrrihizin constituent)
■ Viscid oily re
(50-100) times as sweet as
sucrose. liquid known
■ Flavanoids and
isoflvonoids (ginge
(Phytoestrogens).
which its pung
1) Shake with water ,a  The pungenc
permanent froth is formed.
destroyed on
2) powdered
liquorice+66%H2SO4 gives with alkali.
orange red color.