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Planta Med 2016; 82(17): 1482-1486
DOI: 10.1055/s-0042-106971
Natural Product Chemistry and Analytical Studies
Original Papers
Georg Thieme Verlag KG Stuttgart · New York

Chemical Composition, Anticonvulsant Activity, and Toxicity of Essential Oil and Methanolic Extract of Elettaria cardamomum

Yaser Masoumi-Ardakani
1   Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
,
Ali Mandegary
2   Neuroscience Research Center, Institute of Neuropharmacology, Kerman Univerity of Medical Sciences, Kerman, Iran
,
Khadijeh Esmaeilpour
2   Neuroscience Research Center, Institute of Neuropharmacology, Kerman Univerity of Medical Sciences, Kerman, Iran
,
Hamid Najafipour
3   Cardiovascular Research Center, Institute of Basic and Clinical Physiology Sciences, Kerman University of Medical Sciences, Kerman, Iran
,
Fariba Sharififar
4   Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran
,
Mahboobeh Pakravanan
5   Central Research Laboratory, Deputy of Research, Kerman University of Medical Sciences, Kerman, Iran
,
Hamed Ghazvini
2   Neuroscience Research Center, Institute of Neuropharmacology, Kerman Univerity of Medical Sciences, Kerman, Iran
› Author Affiliations
Further Information

Publication History

received 25 November 2015
revised 08 April 2016

accepted 12 April 2016

Publication Date:
19 July 2016 (online)

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Abstract

Elettaria cardamomum is an aromatic spice (cardamom) native to the humid Asian areas, which contains some compounds with a potential anticonvulsant activity. Various pharmacological properties such as anti-inflammatory, analgesic, antioxidant, and antimicrobial effects have been related to this plant. This research was conducted to examine the probable protective impact of the essential oil and methanolic extract of E. cardamomum against chemically (pentylentetrazole)- and electrically (maximal electroshock)-induced seizures in mice. In addition, neurotoxicity, acute lethality, and phytochemistry of the essential oil and methanolic extract were estimated. The TLC method showed the presence of kaempferol, rutin, and quercetin in the extract, and the concentration of quercetin in the extract was 0.5 µg/mL. The major compounds in the essential oil were 1,8-cineole (45.6 %), α-terpinyl acetate (33.7 %), sabinene (3.8 %), 4-terpinen-4-ol (2.4 %), and myrcene (2.2 %), respectively. The extract and essential oil showed significant neurotoxicity in the rotarod test at the doses of 1.5 g/kg and 0.75 mL/kg, respectively. No mortalities were observed up to the doses of 2 g/kg and 0.75 mL/kg for the extract and essential oil. The essential oil was effective in both the pentylentetrazole and maximal electroshock models; however, the extract was only effective in the pentylentetrazole model. The study suggested that E. cardamomum methanolic extract had no significant lethality in mice. Both the essential oil and methanolic extract showed movement toxicity. Anticonvulsant effects of E. cardamomum were negligible against the seizures induced by pentylentetrazole and maximal electroshock.

Key words

Elettaria cardamomum - Zingiberaceae - anticonvulsant - pentylentetrazole - phytochemical analysis - GC/MS - TLC
 

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