The inhibitory effects of Gelam honey and its extracts on nitric oxide and prostaglandin E(2) in inflammatory tissues.

Department of Anesthesiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
Fitoterapia (Impact Factor: 2.23). 12/2010; 81(8):1196-201. DOI: 10.1016/j.fitote.2010.07.024
Source: PubMed

ABSTRACT We investigated the effects of honey and its methanol and ethyl acetate extracts on inflammation in animal models. Rats' paws were induced with carrageenan in the non-immune inflammatory and nociceptive model, and lipopolysaccharide (LPS) in the immune inflammatory model. Honey and its extracts were able to inhibit edema and pain in inflammatory tissues as well as showing potent inhibitory activities against NO and PGE(2) in both models. The decrease in edema and pain correlates with the inhibition of NO and PGE(2). Phenolic compounds have been implicated in the inhibitory activities. Honey is potentially useful in the treatment of inflammatory conditions.

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    ABSTRACT: Tualang honey ( Fēng Mì) is known to have anti-inflammatory property, but its antinociceptive property has not been extensively investigated. In this study, we examined the preemptive effects on administering different doses of Tualang honey and prednisolone on the nociceptive response in male Sprague-Dawley rats. Thirty-five male Sprague-Dawley rats were randomized into five groups (n = 7) and each group received either distilled water, Tualang honey (0.2, 1.2 or 2.4 g/kg) or prednisolone (10 mg/kg) for 10 days. The response to noxious thermal stimulus was assessed using tail flick test on Day 10. The well-being of the rats was also assessed by monitoring their food intake and body weight. Data were analyzed using one-way Analysis of Variance (ANOVA) with post-hoc Scheffe's test and P value less than 0.05 was considered significant. In tail flick test, the tail flick latency time was significantly higher in the groups that received 1.2 g/kg and 2.4 g/kg of Tualang honey and 10 mg/kg of prednisolone, compared to the control group (P < 0.05). There was significant reduction in the total food pellet intake in the groups receiving prednisolone and Tualang honey (1.2 g/kg and 2.4 g/kg) compared to controls; however, the body weight gain was only significantly reduced in the prednisolone group. All the parameters were not significantly affected in the group receiving 0.2 g/kg of Tualang honey. In conclusion, preemptive administration of Tualang honey (1.2 g/kg and 2.4 g/kg) and prednisolone (10 mg/kg) had reduced the pain responses. The reduced weight gain in the prednisolone group is an unwanted effect due to its metabolic and central actions. Further studies are required to confirm the antinociceptive effects and elucidate the mechanism of antinociceptive action of Tualang honey in the rats.
    Journal of traditional and complementary medicine. 10/2014; 4(4):298-302.
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    ABSTRACT: Since ancient times, honey has been used for medicinal purposes in many cultures; it is one of the oldest and most enduring substances used in wound management. Scientific evidence for its efficacy is widely studied, but systemic safety studies are still lacking. It is essential to study the impact of consumption of honey on the health and proper development of the consumer. Therefore, the present study was designed to observe the effects of acute administration (14 days) of Gelam honey (GH), a wild harvesting honey and Acacia honey (AH), a beekeeping honey, on male and female Sprague Dawley (SD) rats.
    BMC Complementary and Alternative Medicine 05/2014; 14(1):146. · 2.08 Impact Factor
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    ABSTRACT: Introduction Exposure to stress during pregnancy has been shown to have adverse effects on pregnancy outcomes such as low birth weight, spontaneous abortion and premature delivery. Honey has been shown to improve testicular function in rats exposed to cigarette smoke. The aim of this study was to determine the effects of honey on corticosterone level, adrenal gland histomorphometry and pregnancy outcomes in pregnant rats subjected to restraint stress. Materials and methods Rat dams were divided into four groups (n = 10/group) i.e. control, honey, stress and honey plus stress (honey + stress) groups. Rats from honey and honey + stress groups received Tualang honey (1.2 g/kg body weight/day) orally by gavage from Day 0 of pregnancy until delivery. Rats from stress and honey + stress groups were subjected to stress by repeated restraining (three times/day) from Day 11 of pregnancy until delivery. Following delivery, pregnancy outcomes were assessed and dams were euthanized at postnatal Day 21 for assessments on serum corticosterone level, adrenal gland histology and rate of resorption. Results Rats from stress group had significantly higher corticosterone level, zona fasciculata thickness and duration of pregnancy as well as decreased litter size when compared with control and honey groups. These parameters were significantly improved in rats receiving honey (honey + stress group). Conclusion Supplementation of honey has a protective effect against increased corticosterone level and zona fasciculata thickness as well as impaired pregnancy outcomes in rats subjected to restraint stress.
    European Journal of Integrative Medicine 07/2014; · 0.56 Impact Factor


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May 27, 2014