Effects of Aqueous Extract of Piper guineese on Wound Angiogenesis in Male Adult Guinea Pigs

Abstract

Wound is a significant burden to healthcare and the discovery of substances with wound healing will be of great help to health practice. The use of plants extract has been found to be useful overtime. This study is aimed at analyzing the effects of aqueous extract of Piper guineese on wound angiogenesis. Eight adult male guinea pigs were used for the study. They were grouped into four groups of two animals each. The groups were designated as A, B, C & D. The Full thickness wound of approximately 4cm2-11cm2 was caused on the dorsolateral region of the animals. Group D served as the control and received normal saline. The experimental groups B, C & D received different doses of drugs as follows: group A received 200mg/kg body weight of extract of Piper guineese, group B received 150mg/kg body weight of extract of Piper guineese while group C received 120/kg body weight of extract of Piper guineese. The wounds were dressed daily throughout the experimental periods. The administration was done orally for fourteen days. Twenty four hours after the last administration, tissue samples were collected for histological studies. The wound contraction was calculated and analyzed using SPSS. Histological result showed that angiogenesis was enhanced in the experimental groups when compared with the control. There was also improved fibroblast migration, reduced epitheliazation and uniform rate of healing evidenced in the statistical analysis. Piper guineese stimulate angiogenesis in a healing wound and promotes fibroblast migration to the wound site thereby aiding healing.