2019, Number 4
Effect of Inga subnuda cream on second-attempt skin wound healing
Language: Portugués
References: 25
Page: 1-16
PDF size: 548.87 Kb.
ABSTRACT
Introduction: skin wounds are a human and animal health problem due to their therapeutic complexity and recurrent complications. New products and technologies aimed at speeding up the healing process are under permanent investigation. Tincture from Inga subnuda (inga) peel is used in Brazilian folk medicine to treat such wounds.Objective: evaluate the healing effect of a therapeutic formulation of Inga subnuda hydroalcoholic extract on second-attempt skin wounds surgically induced in rabbits.
Methods: the plant extract was obtained from 400 g ground peels macerated in water / ethanol 1:1 to their depletion. Lanette 24% cream was prepared and the inga extract added to reach 1% and 5%. Twenty-four male 60-day-old rabbits weighing 2.8 kg were divided into four groups of six animals each. A 1.5 cm x 1.5 cm wound was performed with a scalpel in the dorsal thoracic region of each animal. The SSG group was treated daily with 0.9% saline solution, the IG1% group with 1% inga cream, the IG5% group with 5% inga cream, and the FITG group with Fitoscar® ointment. The wound contraction rate was measured 7, 10 and 14 days after the surgical incision. Euthanasia was performed after 14 days of treatment, and skin samples were submitted for stereological evaluation of the healing process. Analysis was conducted of fibroblasts, vessels, inflammatory cells and the collagen maturation index.
Results: the cream formulation of inga extract at 1% and 5% concentrations fostered wound contraction, fibroblast activation, neovascularization and collagen maturation.
Conclusion: the formulation sped up healing at the proliferative stage, thus providing scientific evidence of its folk use and its potential as a phytotherapeutic drug.
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