Page 279 - Pharmacognosy 2 PG303
P. 279

Level 2       Clinical Pharmacy-Pharm D

‫زنجبيل‬                 Curcuma                       Galangal
                     rhizome ‫كركم‬               Rhizome ‫القولنجان‬
of Zingiber
                           (turmeric)         Dried rhizomes of Alpinia
eprived of                                    officinarum
known as         Dried prepared rhizomes      family Zingiberaceae
aica ginger.     of Curcuma domestica
                 family Zingiberaceae

e oils           ▪    Curcumin )crystalline   ▪ Small % of volatile oils
                      yellow substance(
e is the main         5% of volatile oils.        (cineole is the main
                   ▪  Resin.
                      Gelatinized starch.         constituent)
esinous          ▪                            ▪ Oily pungent resin
n as             ▪
                                                  (galangol)
erols) to                                     ▪ Flavonoids )galangin

gency is due.                                     and its mono-methyl

cy is                                             ether)

n boiling

                 (1) Few drops of mixture of

                 (Conc. H₂SO₄/ 95%

                 alcohol), then sprinkle a

                 small amount of powder,

                 particles of curcuma turn

                 red.

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