U. lactuca showed promising effects against sub-chronic liver injury, primarily due to its rich nutritional profile, and its incorporation into the Pakistani diet may reduce disease and economic burden while supporting functional food and nutraceutical industries.
Abstract
Background: Ulva lactuca is abundant in bioactive components that provide antioxidative, anti-inflammatory and hepatoprotective properties against oxidative stress. Objectives: This study aimed to explore the nutritional composition, antioxidative potential and hepatoprotective efficacy of U. lactuca in a CCl4-induced liver injury model. Methods: Proximate analysis, phytochemical profiling (phenolic and flavonoid content, GC-MS and LC-MS) and antioxidant assays (DPPH and FRAP) were performed, followed by an in vivo efficacy trial. Hepatotoxicity was induced using CCl4, and U. lactuca methanolic extract (1000 mg/kg body weight) was administered for four weeks. Results: The proximate analysis demonstrated 10.5% ash, 10.83% protein and 39.43% fibre. GC-MS and LC-MS identified hexadecanoic acid methyl ester, gallic acid, quercetin, quercitrin, 4-hydroxybenzoic acid and syringic acid. TPC was higher in aqueous (2015.1 mgGAE/100 mL) and TFC in ethanolic (750.5 µgQE/mL) extract. Aqueous extract (170.1 ± 0.1 µmol/g) displayed superior reducing power while ethanolic extract (77.7%) exhibited the highest radical scavenging activity. U. lactuca promoted weight recovery, improved lipid profiles, decreased hepatic and oxidative stress biomarkers (p-value < 0.05), and restored liver histology. Conclusions: U. lactuca showed promising effects against sub-chronic liver injury, primarily due to its rich nutritional profile. Thus, its incorporation into the Pakistani diet may reduce disease and economic burden while supporting functional food and nutraceutical industries.
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Liver diseases are a major global health burden, and oxidative stress plays
a key role in the development of hepatocellular injury. Mimusops elengi L. fruits contain bioactive
phytochemicals with reported antioxidant properties. This study aimed to evaluate the hepatoprotective
activity of aqueous Mimusops elengi fruit extract against carbon tetrachloride (CCl4)-induced
liver injury in Wistar rats.
Male Wistar rats were randomly allocated into five groups (n = 5). Hepatic injury was
induced using CCl4 (1 mL/kg, i.p.) for 15 days. Animals received Mimusops elengi fruit extract (200
and 400 mg/kg, orally) or silymarin (25 mg/kg). Serum ALT, AST, and catalase activity were evaluated,
followed by histopathological examination of liver tissues.
CCl4 administration significantly increased serum ALT and AST levels while reducing catalase
activity, indicating severe hepatic injury. Treatment with Mimusops elengi fruit extract significantly
reduced liver enzyme levels and improved antioxidant status in a dose-dependent manner.
Histopathological examination demonstrated preservation of hepatic architecture, reduced necrosis
and decreased inflammatory changes, particularly at 400 mg/kg.
The hepatopr tective activity observed may be attributed to the antioxidant and membrane-
stabilizing properties of flavonoids, tannins, and saponins present in Mimusops elengi fruits.
The biochemical and histopathological findings collectively support the traditional medicinal use of
this plant for liver protection and suggest its potential as a natural hepatoprotective agent.
Mimusops elengi fruit extract exhibits significant hepatoprotective effects against
CCl4-induced liver injury, likely mediated through antioxidant mechanisms. These findings support
its potential as a natural therapeutic agent, although further studies are required to elucidate its active
constituents and molecular pathways.
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Findings suggest that the hepatoprotective effect of HAEIB may be attributed to its antioxidant phytoconstituents and support its potential use as a natural hepatoprotective agent.
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Results confirm potent hepatoprotective effects linked to antioxidant and phenolic constituents, supporting E. parvifolia as a promising natural liver protectant against carbon tetrachloride–induced hepatotoxicity in mice.
Muhammad Zakryya Khan, Mohammad Shoaib, M. Ahmad et al.· Revista Brasileira de Farmac...· 0 citations
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