To investigate a possible dose-response relationship and sex differences for anxiolytic and memory-enhancing effects of ascorbic acid (vitamin C), an adult PVG /c hooded rats were individually treated for 8 weeks with approximately 61, 114 or 160 mg/kg/ day of ascorbic acid in their drinking water. After their treatment, over 3 consecutive days they experienced a 5-min trial in an open field (O...

L-Theanine (delta-glutamylethylamide) is one of the predominant amino acids ordinarily found in green tea, and historically has been used as a relaxing agent. The current study examined the acute effects of L-theanine in comparison with a standard benzodiazepine anxiolytic, alprazolam and placebo on behavioural measures of anxiety in healthy human subjects using the model of anticipatory anxiet...

The objective of the present study was to evaluate the anxiolytic and antidepressant activities of methanol extract of Aegle marmelos (AM) leaves as well as its interaction with conventional anxiolytic and antidepressant drugs using elevated plus maze and tail suspension test in mice. Albino mice were treated with AM (75, 150 and 300 mg/kg, po), imipramine (20 mg/kg, po), fluoxetine (20 mg/kg, ...

Studies showing anxiolytic-like properties of natural products have grown. This paper evaluated if carvacryl acetate (CA) could be studied as an alternative drug to treat anxiety disorders. Elevated plus maze (EPM) tests , light-dark box (LDB) tests, and marble-burying tests (MBTs) were performed on mice. In the first protocol, the anxiolytic-like activities of CA 25, 50, 75 and 100mg/kg at sin...

AIMS We studied whether hyperbaric oxygen (HBO(2)) treatment, which is known to increase production of nitric oxide (NO) in the brain, might also produce an NO-dependent anxiolytic-like behavioral response. MAIN METHODS Male NIH Swiss mice (20-25g) were subjected to a 60-min HBO(2) treatment at different absolute atmospheres, and anxiety was assessed using the light/dark exploration test at d...

A bovine alpha s1-casein tryptic hydrolysate was previously demonstrated to display an anxiolytic-like activity in the conditioned defensive burying and in the elevated plus-maze models when i.p. injected. The present study assessed the anxiolytic-like effects of this tryptic hydrolysate after an oral administration in rats faced to the same behavioural situations using diazepam as a reference....

BACKGROUND Compound Valeriana jatamansi Jones is a formula for treating anxiety-related diseases in the clinic, which is composed of Valeriana jatamansi Rhizoma et Radix, Ziziphi Spinosae Semen, Albiziae Cortex and Junci Medulla. The purpose of this study was to explore the anxiolytic properties of this compound in mice. METHODS Male ICR mice were treated with compound Valerianae Jatamansi Jo...

Herbal medicines are gaining growing interest because of their costeffective, ecofriendly attributes and true relief from disease condition. Sarcostemma acidum was documented in many folklore practices for various psychiatric conditions. It has been dealt with in detail in “SHRUSHRUTHA SAMHITHA”. Ethyl Acetate Extract of the whole plant Sarcostemma acidum (EASA) was evaluated for psychopharmaco...

We evaluated the anxiolytic and antidepressant effects of the aqueous extract of the bark of Tapinanthus dodoneifolius (TAE) (Danser) (25, 50, and 100 mg/kg), using open field, elevated plus maze, and forced swimming tests. Effect of TAE was compared to standard drugs diazepam (2 mg/kg) and imipramine (10 mg/kg). Additionally, the same doses of TAE were evaluated on rat's memory using Y-maze ta...

The aim of the present study was to examine a potential anxiolytic- and antidepressant-like action of (+)-7-hydroxy-2-(di-n-propylamino)tetralin hydrobromide (7-OH-DPAT), a preferential dopamine D(3) receptor agonist, and N-{4-[4-(2-methoxyphenyl)-1-piperazinyl]butyl}-2-naphthylcarboxamide (BP 897), a partial dopamine D(3) receptor agonist, in male Wistar rats. Diazepam or imipramine were used ...