PHARMACOGNOSY NOTES
Sl. Name of the Biological Source Chemical Therapeutic Uses
No. Drugs Constituents
HYDROLYSABLE TANNINS
1. Amla Dried as well as fresh Vitamin C, Diuretic, Laxative,
(Indian goose fruits of Embelica Phyllembin, Tannins ingredients of Triphala and
berry) officinalis Fam: Chavanprash
Page | Euphorbiaceae
1 2. Arjuna Dried stem bark of Ellagic acid, ᵦ- Cardiotonic, Hypotensive
Terminalia arjuna Fam: sitosterol
Combretaceae
3. Behera Dried ripe fruits of Gallic acid, Astringent, ingredients of
(Bellaric Terminalia belerica Chebullic acid Triphala churna.
myrobalan) Fam: Combretaceae
4. Myrobalan Dried mature fruit of Chebulic acid, Astringent, Stomachic,
(Harda) Terminalia chebula Chebulagic acid, Purgative, ingredient of
Fam: Combretaceae Gallic acid Triphala churna.3
5. Tannic acid Fermented oak galls Gallic acid and Astringent for mucous
which are grown on glucose membrane
young twigs of Quircus
infectoria Fam:
Fagaceae
CONDENSED TANNINS
6. Mango Dried bark of Tannins, Catechin, Anti-oxidant, Antidiarrheal
Mangifera indica Fam:
Mangiferin
Anacardiaceae
7. Ashoka bark Dried stem bark of Catechol, Ketosterol Uterine tonic, Oxytocic
Saraca indica Fam:
Leguminosae
8. Black catechu Dried aqueous extract Acacatechin, Astringent for boils, skin
(Cutch) of heartwood of Acacia Quercetin eruption, mainly used for
catechu Fam: commercial purpose
Leguminosae
9. Pale catechu Dried aqueous extract Catechin, Astringent for treatment of
(Gambier) of leaves and young Catechutanic acid diarrhea
shoots of Uncaria
gambier Fam:
Rubiaceae
10. Pterocarpus Dried juice of the plant Kinotannic acid, Hypoglycemic, powerful
(Indian kino) Pterocarpus marsupium kino-red, k- astringent
Fam: Leguminosae pyrocatechin
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PHARMACOGNOSY NOTES SUBHAS DEY
