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Eur Arch Otorhinolaryngol. 2016 Nov;273(11):3765-3773. Epub 2016 May 4.

Antioxidant activities of curcumin in allergic rhinitis.

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ENT Clinics, Tuzla State Hospital, Istanbul, Turkey.
ENT Clinics, Kumluca State Hospital, Antalya, Turkey.
ENT Clinics, Yunus Emre State Hospital, Eskisehir, Turkey.
Pharmaceutical Biotechnology Department, Faculty of Pharmacy, Yüzüncü Yıl University, Van, Turkey.
Department of Otorhinolaryngology, Medical Faculty, Kirikkale University, Kirikkale, Turkey.
Department of Otorhinolaryngology, Medical Faculty, Eskisehir Osmangazi University, Eskisehir, Turkey.


We investigated the antioxidant effects of curcumin in an experimental rat model of allergic rhinitis (AR). Female Wistar albino rats (n = 34) were divided randomly into four groups: healthy rats (control group, n = 8), AR with no treatment (AR + NoTr group, n = 10), AR with azelastine HCl treatment (AR + Aze group, n = 8), and AR with curcumin treatment (AR + Curc group, n = 8). On day 28, total blood IgE levels were measured. For measurement of antioxidant activity, the glutathione (GSH) level and catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidase (GSH-Px) activities were measured in both inferior turbinate tissue and serum. Malondialdehyde (MDA) levels were measured only in inferior turbinate tissue, and paraoxonase (PON) and arylesterase (ARE) activities were measured only in serum. Statistically significant differences were found for all antioxidant measurements (GSH levels and CAT, SOD, GSH-Px activities in the serum and tissue, MDA levels in the tissue, and PON and ARE activities in the serum) between the four groups. In the curcumin group, serum SOD, ARE, and PON and tissue GSH values were higher than the control group. Moreover, tissue GSH levels and serum GSH-Px activities in the curcumin group were higher than in the AR + NoTr group. In the azelastine group, except MDA, antioxidant measurement values were lower than in the other groups. Curcumin may help to increase antioxidant enzymes and decrease oxidative stress in allergic rhinitis. We recommend curcumin to decrease oxidative stress in allergic rhinitis.


Allergic rhinitis; Antioxidant; Curcumin; Rats

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