A novel wound healing ointment: a formulation of Hypericum perforatum oil and sage and oregano essential oils based on traditional Turkish knowledge |
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Authors: | Süntar Ipek Akkol Esra Küpeli Keleş Hikmet Oktem Alper Başer Kemal Hüsnü Can Yeşilada Erdem |
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Affiliation: | a Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, Etiler 06330, Ankara, Turkey b Department of Pathology, Faculty of Veterinary Medicine, Afyon Kocatepe University, 03030 Afyonkarahisar, Turkey c Langenhagen 49-33617 Bielefeld, Germany d Department of Pharmacognosy, Faculty of Pharmacy, Anadolu University, 26470 Eskisehir, Turkey e Faculty of Pharmacy, Yeditepe University, Atasehir 34755, Istanbul, Turkey |
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Abstract: | Aim of the studyHypericum perforatum L. (Hypericaceae), olive oil (Oleaceae), Origanum Tourn ex L. and Salvia L. species (Lamiaceae) are used against inflammatory disorders and for healing of skin wounds in traditional Turkish medicine. A new ointment formulation was developed to provide more efficient wound healing activity. The content of the formulation was as follows; olive oil extract of flowering aerial parts of Hypericum perforatum L., olive oil, an equivalent mixture of Origanum majorana L. and Origanum minutiflorum Schwrd. et Davis essential oils (Origani aetheroleum), Salvia triloba L. essential oil. The aim of the present study is to assess the wound healing potential of this new formulation by using in vivo and in vitro models as well as histopathological methods.Materials and methodsFor the evaluation of wound healing potential of this formulation (HPP crème mit Rotöl ointment) in vivo wound healing experimental models were employed on rats and mice and the efficiency was comparatively assessed against a reference ointment Madecassol®. Tissue sections were also evaluated histopathologically. Furthermore, the wound healing activity of each component was also investigated individually to determine the improvement in the healing capacity of the formulation.ResultsThe ointments of HPP crème mit Rotöl and Hypericum perforatum L. demonstrated the highest activities on both wound models when compared to reference ointment Madecassol®, while the other ingredients did not show any remarkable wound healing effect. However, the efficacy of the formulation was remarkably higher than the Hypericum L. ointment alone which was also confirmed by histopathological evaluation. On the other hand, the formulation did not reduce elastase activity in vitro, but inhibited the collagenase activity. HPP crème mit Rotöl also exerted bactericidal and candicidal activities.ConclusionsThe experimental studies revealed that HPP crème mit Rotöl formulation displays remarkable wound healing activity. To be acting on the different stages of wound healing process could be considered as a beneficial effect of the formulation for the treatment of wounds. |
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Keywords: | Excision wound Hypericum perforatum Incision wound Medicinal plants Origanum majorana essential oil Origanum minutiflorum essential oil Olive oil Salvia triloba essential oil Tensiometer Wound healing |
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