Wound healing evaluation of self-nanoemulsifying drug delivery system containing Piper cubeba essential oil
Abstract
The objective of this work was to characterize and evaluate wound healing potential of Piper cubeba oil (PO) via self-nanoemulsifying drug delivery system (SNEDDS) in comparison with standard gentamycin. PO loaded SNEDDS was prepared by low energy emulsification technique and characterized for thermodynamic stability, self-emulsification power and various physico-chemical parameters. An optimal formula of PO SNEDDS was subjected to wound healing evaluation, collagen determination and histomorphological examination in female Wistar rats as compared with pure PO and standard antibiotic/gentamycin. An optimal formula of PO SNEDDS showed significant wound healing effects in Wistar female rats in comparison with pure PO. However, wound healing effects of optimized SNEDDS were comparable with standard gentamycin. An optimized formulation also indicated significant enhancement in collagen content (0.82 mg/g) in comparison with pure PO (0.53 mg/g) and negative control (0.33 mg/g). While, the collagen content of SNEDDS (0.82 mg/g) treated rats were comparable with standard gentamycin treated animals (0.98 mg/g). Histopathological examinations of optimized SNEDDS treated animals showed no signs of inflammatory cells which indicated that ...Continue Reading
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