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KMID : 1161420200230080862
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Journal of Medicinal Food
2020 Volume.23 No. 8 p.862 ~ p.869
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An Experimental Comparison of the Analgesic and Anti-Inflammatory Effects of Safflower Oil, Benzydamine HCl, and Naproxen Sodium
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Alaiye Ali
Kaya Ercan
Pinarbasli Mehmet Ozgur
Harmanci Nusin
Yildirim Cafer
Donmez Dilek Burukoglu
Cingi Cemal
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Abstract
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The study aims to establish how feasible a natural therapy option (safflower oil) is in the treatment of postoperative pain. Naproxen sodium has already been experimentally proven to be effective for this purpose. Accordingly, the analgesic and anti-inflammatory effects of safflower oil were compared with those obtained with benzydamine HCl and naproxen sodium. Forty-two, healthy, adult female rats of Wistar albino species were divided at random into six groups of seven rats. The intervention allocation was as follows: Group No. 1?physiological saline 0.9%; Group No. 2?safflower oil 100?mg/kg; Group No. 3?safflower oil 300?mg/kg; Group No. 4?benzydamine HCl 30?mg/kg; Group No. 5?benzydamine HCl 100?mg/kg; and Group No. 6?naproxen sodium 10?mg/kg. Following allocation of treatment, pain was induced experimentally and tested in various ways (hot plate test, tail-pinching test, and writhing test) and the efficacy of each treatment in providing peripheral and central analgesia was evaluated. The second stage consisted of providing different treatments to four groups (groups 7?10) of seven rats each, chosen at random. The allocations were as follows: Group No. 7?physiological saline 0.9%; Group No. 8?safflower oil 300?mg/kg; Group No. 9?benzydamine HCl 100?mg/kg; and Group No. 10?naproxen sodium 10?mg/kg. To create experimental inflammation, 2% formaldehyde was injected into the experimental animal's paw and the resulting edema was measured and recorded for a 10-day period. Edema inhibition was calculated as a percentage. The rats were sacrificed and the paw and stomach dissected for histopathological examination. The data were used for statistical analysis, using the Shapiro?Wilk, Kruskal?Wallis H test, and two-way analysis of variance. In the tail-pinching test, it was determined that a 300?mg/kg dose of safflower oil shows central spinal analgesic efficacy and this effect is close in magnitude to 10?mg/kg of the reference material, naproxen sodium. In the squirming test, it was observed that the 100 and 300?mg/kg doses of safflower oil had a peripheral analgesic effect when compared with the serum physiological (placebo) group. The peripheral efficacy of 300?mg/kg safflower oil was found to approximate that of 10?mg/kg naproxen sodium. In rats treated with benzydamine HCl 100?mg/kg, similar peripheral analgesic efficacy to naproxen sodium 10?mg/kg was noted. In the hot plate test, no difference in the analgesic efficacy between the various agents was found. The change in inhibition of edema between the 1st and 10th days was most marked in rats receiving naproxen sodium 10?mg/kg. A significant difference was determined in the safflower oil 300?mg/kg and benzydamine HCl 100?mg/kg groups (P?
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KEYWORD
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benzydamine HCl, inflammation, naproxen sodium, pain, safflower oil
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