Journal of ethnopharmacology · 2023
Phytochemical profiling, toxicity studies, wound healing, analgesic and anti-inflammatory activities of Musa paradisiaca L. Musaceae (Plantain) stem extract in rats.
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Ekweogu Celestine Nwabu, Akubugwo Emmanuel Iroha, Emmanuel Okezie, Nosiri Chidi Ijeoma, Uche Mercylyn Ezinne, Adurosakin Oluwapelumi Eniola, Ijioma Solomon Nnah, Ugbogu Eziuche Amadike
Аннотация
ETHNOPHARMACOLOGICAL RELEVANCE: The stem of Musa paradisiaca (plantain) has found application in traditional medicine for the treatment of diabetes, inflammation, ulcers and wound injuries.
AIM OF THE STUDY: This study investigated the phytochemical composition, toxicity profile, wound healing, anti-inflammatory and analgesic effects of aqueous Musa paradisiaca stem extract (AMPSE) in rats.
METHODS: Phytochemical analysis of methanol-MPSE was performed by gas chromatography-mass spectrometry (GC-MS). Acute toxicity testing was carried out through oral administration of a single dose of AMPSE up to 5 g/kg. Four separate groups of rats were used for the subacute toxicity testing (n = 6). Group 1 served as a normal control and did not receive AMPSE, groups 2-4 received AMPSE daily by gavage for 28 days. In the experiments with excision and incision wounds, the rats were treated with 10 w/w AMPS extract. The anti-inflammatory and analgesic effects of AMPSE were assessed using egg albumin-induced paw oedema and acetic acid-induced writhing methods, respectively. For the subacute, anti-inflammatory and analgesic studies, AMPSE was administered to the experimental rats at doses of 300, 600 and 900 mg/kg body weight.
RESULTS: Bioactive compounds identified include β-sitisterol, n-hexadecanoic acid, octadecanoic acid, diethyl sulfate, p-hydroxynorephedrine, phenylephrine, nor-pseudoephedrine, metaraminol, pseudoephedrine and vanillic acid. No signs of toxicity and no deaths were observed in all the groups. For the groups treated with AMPSE for 28 days, a significant reduction in alkaline phosphatase, alanine aminotransferase, aspartate aminotransferase, urea, sodium, chloride, total cholesterol, triglycerides, and low-density lipoprotein cholesterol were observed while high density lipoprotein cholesterol, glutathione and superoxide dismutase increased compared to control (p < 0.05). In wound healing experiments, AMPSE showed greater percent wound contraction and wound resistance fracture compared to the povidone-iodine (PI) treated and control groups. Treatment with 900 mg/kg AMPSE resulted in significant (p < 0.05) anti-inflammatory and analgesic effects compared to the control.
CONCLUSION: This study shows that AMPSE is not toxic but contains biologically active compounds with hepatoprotective, anti-inflammatory, lipid-lowering and wound-healing effects. Treatment of rats with AMPSE has shown that AMPSE has anti-inflammatory, analgesic, hepatoprotective, lipid-lowering and wound-healing effects, supporting its therapeutic use in ethnomedicine.
AIM OF THE STUDY: This study investigated the phytochemical composition, toxicity profile, wound healing, anti-inflammatory and analgesic effects of aqueous Musa paradisiaca stem extract (AMPSE) in rats.
METHODS: Phytochemical analysis of methanol-MPSE was performed by gas chromatography-mass spectrometry (GC-MS). Acute toxicity testing was carried out through oral administration of a single dose of AMPSE up to 5 g/kg. Four separate groups of rats were used for the subacute toxicity testing (n = 6). Group 1 served as a normal control and did not receive AMPSE, groups 2-4 received AMPSE daily by gavage for 28 days. In the experiments with excision and incision wounds, the rats were treated with 10 w/w AMPS extract. The anti-inflammatory and analgesic effects of AMPSE were assessed using egg albumin-induced paw oedema and acetic acid-induced writhing methods, respectively. For the subacute, anti-inflammatory and analgesic studies, AMPSE was administered to the experimental rats at doses of 300, 600 and 900 mg/kg body weight.
RESULTS: Bioactive compounds identified include β-sitisterol, n-hexadecanoic acid, octadecanoic acid, diethyl sulfate, p-hydroxynorephedrine, phenylephrine, nor-pseudoephedrine, metaraminol, pseudoephedrine and vanillic acid. No signs of toxicity and no deaths were observed in all the groups. For the groups treated with AMPSE for 28 days, a significant reduction in alkaline phosphatase, alanine aminotransferase, aspartate aminotransferase, urea, sodium, chloride, total cholesterol, triglycerides, and low-density lipoprotein cholesterol were observed while high density lipoprotein cholesterol, glutathione and superoxide dismutase increased compared to control (p < 0.05). In wound healing experiments, AMPSE showed greater percent wound contraction and wound resistance fracture compared to the povidone-iodine (PI) treated and control groups. Treatment with 900 mg/kg AMPSE resulted in significant (p < 0.05) anti-inflammatory and analgesic effects compared to the control.
CONCLUSION: This study shows that AMPSE is not toxic but contains biologically active compounds with hepatoprotective, anti-inflammatory, lipid-lowering and wound-healing effects. Treatment of rats with AMPSE has shown that AMPSE has anti-inflammatory, analgesic, hepatoprotective, lipid-lowering and wound-healing effects, supporting its therapeutic use in ethnomedicine.