Effects of Salvia officinalis L. (sage) leaves on memory retention and its interaction with the cholinergic system in rats

The leaves of sage ( Salvia officinalis L., Lamiaceae) are reported to have a wide range of biological activities, such as anti-bacterial, fungistatic, virustatic, astringent, eupeptic and anti-hydrotic effects. To determine the mnemogenic effect of sage leaves, we investigated the effects of ethano...

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Veröffentlicht in:Nutrition (Burbank, Los Angeles County, Calif.) Los Angeles County, Calif.), 2006-03, Vol.22 (3), p.321-326
Hauptverfasser: Eidi, Maryam, Eidi, Akram, Bahar, Massih
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description The leaves of sage ( Salvia officinalis L., Lamiaceae) are reported to have a wide range of biological activities, such as anti-bacterial, fungistatic, virustatic, astringent, eupeptic and anti-hydrotic effects. To determine the mnemogenic effect of sage leaves, we investigated the effects of ethanolic extract of sage leaves and its interaction with cholinergic system on memory retention of passive avoidance learning in rats. Post-training intracerebroventricular (i.c.v) injections were carried out in all the experiments except ethanolic extract (i.p. intraperitoneally). Administration of ethanolic extract (50 mg/kg), pilocarpine (0.5 and 1 mg/rat), the muscarinic cholinoceptor agonist, and nicotine (0.1 and 1 μg/rat) increased, while mecamylamine (1, 5 μg/rat), the muscarinic cholinoceptor antagonist, and mecamylamine (0.01 and 0.1 μg/rat), the nicotine cholinoceptor antagonist decreased memory retention in rats. Activation of muscarinic cholinoceptors by pilocarpine potentiated the response of ethanolic extract. Also, pharmacological blockade of scopolamine attenuated potentiating effect of ethanolic extract. Activation of nicotinic cholinoceptor by nicotine potentiated the response of ethanolic extract. Blockade of nicotinic cholinoceptor by mecamylamine attenuated the response of ethanolic extract. It is concluded that the ethanolic extract of salvia officinalis potentiated memory retention and also it has an interaction with muscarinic and nicotinic cholinergic systems that is involved in the memory retention process.
doi_str_mv 10.1016/j.nut.2005.06.010
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It is concluded that the ethanolic extract of salvia officinalis potentiated memory retention and also it has an interaction with muscarinic and nicotinic cholinergic systems that is involved in the memory retention process.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>16500558</pmid><doi>10.1016/j.nut.2005.06.010</doi><tpages>6</tpages></addata></record>
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identifier ISSN: 0899-9007
ispartof Nutrition (Burbank, Los Angeles County, Calif.), 2006-03, Vol.22 (3), p.321-326
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source MEDLINE; Elsevier ScienceDirect Journals
subjects Alzheimer's disease
Andorra
Animal cognition
Animals
antibacterial properties
antifungal properties
antiviral properties
astringency
Avoidance Learning - drug effects
Avoidance Learning - physiology
Biological and medical sciences
cholinergic agents
Cholinergic Antagonists - metabolism
cognition
Dose-Response Relationship, Drug
ethanol
Feeding. Feeding behavior
Free radicals
Fundamental and applied biological sciences. Psychology
Injections, Intraperitoneal
leaves
Male
Medical research
medicinal plants
memory
Memory - drug effects
Memory - physiology
Memory retention
mnemogenic effect
Muscarinic Agonists - metabolism
Muscarinic cholinoceptor
niacin
Nicotine
Nicotine - agonists
Nicotine - antagonists & inhibitors
Nicotine - metabolism
Nicotinic Agonists - metabolism
Nicotinic cholinoceptor
Pilocarpine - agonists
Pilocarpine - antagonists & inhibitors
Pilocarpine - metabolism
plant extracts
Plant Extracts - pharmacology
Plant Leaves - chemistry
Plant sciences
Rat
Rats
Rats, Wistar
Receptors, Cholinergic - drug effects
Receptors, Cholinergic - metabolism
Retention
Rodents
Sage
Salvia officinalis
Salvia officinalis - chemistry
supercritical fluid extraction
Teacher education
Vertebrates: anatomy and physiology, studies on body, several organs or systems
title Effects of Salvia officinalis L. (sage) leaves on memory retention and its interaction with the cholinergic system in rats
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