Colocasia esculenta Linn.

Family: Araceae


Family Synonyms

Common Names

Kachu (Bengali), Taro (England), Sato imo (Japanese), Aro (Spanish), Lao hu guang cai (Chinese), Kolokasie (German), Alu (Indian).

Local Availability

In most of the districts, cultivated and wild.

Worldwide Availability

It is a wild plant and cultivated throughout the hotter parts of India and Ceylon. It is cultivated in all hot countries.

Botanical Description 15

The plant tall herb which has tuberous stem in underground, erect petiole; about 1.2 m in length, lamina peltate-ovate. At the base cordate is up to 50 cm long. Spathe is 15-35 cm long, pale yellow, l

Common Ethnobotanical Use 16

Petioles of the plants used to make juice which is stimulant, styptic and rubefacient applied in athlet’s foot to stop bleeding from cuts. Leaves are mostly used in cancer as juice, in ulcerated polyp, tumours, cancer of nose and warts. Corm juice is used in piles, congestion of the portal system, laxative and alopecia.

Chemical Constituents

Compound Name Compound in Plant Parts Reference
Diethyl etherCormel5
ButanedioneCormel2, 5
3-MethylbutanalCormel2, 5
Pentane-2,3-dioneCormel2, 5
PyridineCormel2, 5
OctaneCormel1, 5
HexanalCormel2, 5
2-FuraldehydeCormel2, 5
BenzaldehydeCormel2, 5
2-PentylfuranCormel2, 5
NonanalCormel2, 5
3,5,5-Trimethylcyclohex-2-enoneCormel2, 5
Indole Cormel5
p-VinylguaiacolCormel2, 5
Dibutyl phthalateCormel5
TetracosaneCormel1, 5
PentacosaneCormel1, 5
N-MethylpyrroleCormel2, 5
Decan-2-oneCormel2, 5
Nonanoic acid1
Octadecanoic acid1
2-acetylthiazoleCormel2, 5
DecanalCormel2, 5
n-Hexadecan-1-olCormel2, 5
Octadeca-9,12-dienoic acidCormel5
OrientinShoot; Leaf4, 6
IsoorientinShoot; Leaf4, 6
trans-p-Coumaric acidLeaf6
Caffeic acidLeaf6
VitexinShoot; Leaf4, 6
Arachidic Acid1
(Z)-3-HexenolCormel2, 5
Diethyl pthalateCormel5
HexanolCormel2, 5
Cinnamic AcidBark3
2,6-Bis-(1,1-dimethylethyl)-4-methyl phenolCormel5
IsovitexinShoot; Leaf4, 6
1-Octen-3-olCormel2, 5
2-MethylpropanalCormel1, 5
2-MethylbutanalCormel2, 5
5-Methyl-2-phenylhex-2-enalCormel2, 5
PhenylacetaldehydeCormel2, 5
2-MethylthiopheneCormel2, 5
Thiophene-2-carboxaldehydeCormel2, 5
BenzothiazoleCormel2, 5
2-Methylbutan-2-olCormel2, 5
2-Methylbut-3-en-2-olCormel2, 5
Pentan-1-olCormel2, 5
Nonan-2-oneCormel2, 5
gamma-DecalactoneCormel2, 5
delta-DecalactoneCormel2, 5
Isoamericanol ABark3
Americanol ABark3
Luteolin 7-O-sophorosideShoot4
Di-(2-methylpropyl) phthalateCormel5
5-O-caffeoylquinic acidLeaf6
Colocasinol ABark3
cis-Grossamide KBark3

Pharmacological Evidence

Plants Parts Extract Type Activity Reference
Methanol Breast Cancer 9
Ethanol Antifungal 10
Aqueous Antifungal 12
Methanol Antibacterial 10
Ethyl Acetate Antibacterial 11
Aqueous Antibacterial 12
Ethanol Antidiabetic 13
Aqueous; Ethanol Anthelmintic 14
Whole Plant
PBS Colon Cancer 8


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