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Aegle marmelos Leaf Extract Phytochemical Analysis, Cytotoxicity, In Vitro Antioxidant and Antidiabetic Activities.

ABSTRACT: For many years, Aegle marmelos (A. marmelos) has been used medicinally and as a dietary supplement. Despite this, there are minimal research data on A. marmelos phytochemical properties and pharmacological effects. This study aimed to explore the phytoconstituents, cytotoxicity, glucose uptake, and antioxidant and antidiabetic potential of an alcoholic extract of A. marmelos leaf. The cytotoxicity of A. marmelos in HepG2 cells was tested in vitro, and the results revealed that it has strong cytocompatibility and cytoprotective properties. The extract's antioxidant activities were investigated using 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) methods. Antioxidant potential was shown to be quite impressive. The enzymes α-amylase and α-glycosidase were found to be substantially inhibited by A. marmelos, with IC₅₀ values of 46.21 and 42.07 mg/mL, respectively. In HepG2 cells, A. marmelos significantly reduced ROS levels that were elevated due to high glucose and enhanced glucose consumption (p < 0.05). These activities might be due to the enrichment of bioactive phytoconstituents analyzed chromatographically using GC/MS and HPLC. The findings of this study show that A. marmelos could be an effective restorative therapy for diabetes and related diseases.

SUBMITTER: Ahmad W

PROVIDER: S-EPMC8708738 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:Psychotria malayana Jack belongs to the Rubiacea and is widespread in Southeast Asian countries. It is traditionally used to treat diabetes. Despite its potential medicinal use, scientific proof of this pharmacological action and the toxic effect of this plant are still lacking. Hence, this study aimed to investigate the in vitro antidiabetic and antioxidant activities, toxicity, and preliminary phytochemical screening of P. malayana leaf extracts by gas chromatography-mass spectrometry (GC-MS) after derivatization. The antidiabetic activities of different extracts of this plant were investigated through alpha-glucosidase inhibitory (AGI) and 2-NBDG glucose uptake using 3T3-L1 cell line assays, while the antioxidant activity was evaluated using DPPH and FRAP assays. Its toxicological effect was investigated using the zebrafish embryo/larvae (Danio rerio) model. The mortality, hatchability, tail-detachment, yolk size, eye size, beat per minute (BPM), and body length were taken into account to observe the teratogenicity in all zebrafish embryos exposed to methanol extract. The LC50 was determined using probit analysis. The methanol extract showed the AGI activity (IC50 = 2.71 ± 0.11 μg/mL), insulin-sensitizing activity (at a concentration of 5 µg/mL), and potent antioxidant activities (IC50 = 10.85 μg/mL and 72.53 mg AAE/g for DPPH and FRAP activity, respectively). Similarly, the water extract exhibited AGI activity (IC50 = 6.75 μg/mL), insulin-sensitizing activity at the concentration of 10 μg/mL, and antioxidant activities (IC50 = 27.12 and 33.71 μg/mL for DPPH and FRAP activity, respectively). The methanol and water extracts exhibited the LC50 value higher than their therapeutic concentration, i.e., 37.50 and 252.45 µg/mL, respectively. These results indicate that both water and methanol extracts are safe and potentially an antidiabetic agent, but the former is preferable since its therapeutic index (LC50/therapeutic concentration) is much higher than for methanol extracts. Analysis using GC-MS on derivatized methanol and water extracts of P. malayana leaves detected partial information on some constituents including palmitic acid, 1,3,5-benzenetriol, 1-monopalmitin, beta-tocopherol, 24-epicampesterol, alpha-tocopherol, and stigmast-5-ene, that could be a potential target to further investigate the antidiabetic properties of the plant. Nevertheless, isolation and identification of the bioactive compounds are required to confirm their antidiabetic activity and toxicity.

Project description:BackgroundAegle marmelos (L.) Corr. (Rutaceae), commonly known as bael, is used to treat fevers, abdomen pain, palpitation of the heart, urinary troubles, melancholia, anorexia, dyspepsia, diabetes and diarrhea in Indian traditional systems of medicine. The object of the present study was to evaluate the antidiabetic, antihyperlipidemic and antioxidant oxidative stress of umbelliferone β-D-galactopyranoside (UFG) from stem bark of Aegle marmelos Correa. in STZ (streptozotocin) induced diabetic rat.MethodsDiabetes was induced in rat by single intraperitoneal injection of STZ (60 mg/kg). The rat was divided into the following groups; I - normal control, II - diabetic control, III - UFG (10 mg/kg), IV - UFG (20 mg/kg), V - UFG (40 mg/kg), VI - Glibenclamide (10 mg/kg, p.o., once a daily dose). Diabetes was measured by change the level blood glucose, plasma insulin and the oxidative stress were assessed in the liver by estimation of the level of antioxidant markers i.e. superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT) and Malondialdehyde (MDA) and antihyperlipidemic effect was measured by estimation of total cholesterol, triglycerides, LDL (low density lipoprotein) cholesterol, HDL (high density lipoprotein) cholesterol, VLDL (very low density lipoprotein) cholesterol. However in a study, the increased body weight was observed and utilization of glucose was in the oral glucose tolerance test.ResultDaily oral administration of different dose of UFG for 28 days showed significantly (P < 0.001) decreased in fasting blood glucose level and improve plasma insulin level as compared to the diabetic control group. Also it significantly (P < 0.001) decreased the level of glycated hemoglobin, glucose-6-phosphatase, fructose-1-6-biphosphate and increased the level of hexokinase. UFG treatment decreased liver MDA and increased the level of SOD, GPx and CAT. UFG treatment of lipids it's increased the level of cholesterol, triglycerides, VLDL, LDL cholesterol and decreased the level of HDL cholesterol. Histologically, inflammatory cell in blood vessels, intercalated disc, fat degeneration and focal necrosis observed in diabetic rat organ but was less obvious in UFG treated groups. The mechanism of action of UFG may be due to the increased level of pancreatic insulin secretion and effect on the antioxidant marker.ConclusionUFG posses an antidiabetic, antioxidant and antihyperlipidemic effect on the STZ induced diabetic rat. Hence it could be the better choice to cure the diabetes.

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Aegle marmelos Leaf Extract Phytochemical Analysis, Cytotoxicity, In Vitro Antioxidant and Antidiabetic Activities.

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