Autonomic Nervous System Mediates the Hypotensive Effects of Aqueous and Residual Methanolic Extracts of Syzygium polyanthum (Wight) Walp. var. polyanthum Leaves in Anaesthetized Rats
Syzygium polyanthum (Wight) Walp. var. polyanthum leaves are consumed as a traditional Malay treatment of hypertension. This study investigates hypotensive potential of aqueous (AESP) and residual methanolic (met-AESP) extracts of S. polyanthum leaves and possible involvement of autonomic receptor...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Hindawi Publishing Corporation
2013
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| Subjects: | |
| Online Access: | http://eprints.usm.my/38379/1/Autonomic_Nervous_System_Mediates_the_Hypotensive_Effects_of_Aqueous_and_Residual.pdf http://eprints.usm.my/38379/ http://dx.doi.org/10.1155/2013/716532 |
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| Institution: | Universiti Sains Malaysia |
| Language: | English |
| Summary: | Syzygium polyanthum (Wight) Walp. var. polyanthum leaves are consumed as a traditional Malay treatment of hypertension. This
study investigates hypotensive potential of aqueous (AESP) and residual methanolic (met-AESP) extracts of S. polyanthum leaves
and possible involvement of autonomic receptors. AESP and met-AESP (20 to 100mg/kg) were intravenously administered into
anaesthetized Wistar-Kyoto (WKY) and spontaneously hypertensive (SHR) rats. Blood pressure and heart were monitored for
20 min. AESP and met-AESP induced significant dose-dependent hypotension, but only 100mg/kg AESP caused mild bradycardia
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