4.1 Article

Antimicrobial activity and wound healing effect of a novel natural ointment: an in vitro and in vivo study

期刊

JOURNAL OF WOUND CARE
卷 32, 期 -, 页码 S18-S26

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MA HEALTHCARE LTD
DOI: 10.12968/jowc.2023.32.Sup6.S18

关键词

antibacterial activity; antibiotic resistance; antimicrobial resistance; beeswax; diabetic rats; honey; ointment; ostrich oil; wound; wound care; wound dressing; wound healing

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This study investigated the effect of an ointment based on ostrich oil containing honey, beeswax, and ethanolic extracts of Nigella sativa, propolis, and Cassia angustifolia on wound healing in diabetic rats. The ointment showed remarkable antibacterial activity and significantly accelerated wound healing in vivo.
Infection and pathological disorders, such as cellular disorders, ischaemia, neuropathy and angiogenesis, are considered the most critical factors which cause a delay in the wound healing process in patients with diabetes. This study aimed to investigate the effect of an ointment based on ostrich oil containing honey, beeswax, and ethanolic extracts of Nigella sativa, propolis and Cassia angustifolia on the wound healing process of diabetic rats. Gas chromatography/mass spectrometry analysis showed caffeic acid and pinostrobin chalcone molecules present in propolis, giving antibacterial and antifungal properties to the compound. The antibacterial assessment showed the ointment had remarkable antibacterial activity against Staphylococcus aureus (8.6 +/- 0.28mm), Escherichia coli (9.4 +/- 0.31mm), Acinetobacter baumannii (7.2 +/- 0.23mm) and Pseudomonas aeruginosa (13.9 +/- 0.42mm). In vivo results showed the ointment significantly accelerated wound healing and increased collagen deposition compared with the control (p<0.05). Histopathology evaluation also showed hair follicles, sebaceous glands and vessels in the group that used the ointment. These results proved successful and diabetic wound healing was rapid. Therefore, it could be concluded that the fabricated ointment could be a suitable candidate for wound healing.

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