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OSIGWE, Chinyelu Clementina
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Medicine & Pharmacology Public Health

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Evaluation of Antidiabetic Activity of Croton zambesicus Root Extract: In Vivo Inhibitory Effect on Alpha Amylase and Alpha Glucosidase of Rats Okokon, Jude Efiom; Edem, Utibe Anietie; OSIGWE, Chinyelu Clementina; Uwaeme, Ugonma Florence
Biology, Medicine, & Natural Product Chemistry Vol 14, No 1 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.141.529-533

Abstract

Diabetes mellitus is a global health challenge, necessitating the need for alternative treatments. Croton zambesicus Muell Arg. (Euphorbiaceace) a medicinal plant used traditionally in the treatment of some ailments was investigated for its inhibitory potential on alpha-amylase and alpha-glucosidase enzymes in rats. The root extract of C. zambesicus (27 - 81 mg/kg) was investigated in vivo for the inhibitory effect on alpha amylase and alpha glucosidase enzymes using starch, sucrose, and maltose as substrates. Acarbose was used as a reference drug. Blood glucose levels (BGL) of rats, post administration of the substrate and extract concurrently, were monitored over 3 hours as a parameter to measure the inhibitory potential of the extract. The root extract dose-dependently caused significant (p<0.05) reduction in blood glucose levels of treated rats with the various substrates used. The results suggest that the root extract of Croton zambesicus has the potentials to inhibit alpha amylase and alpha glucosidase in rats.
Phytochemical Profiling, Cytotoxicity, and Antiproliferative Potential of Solenostemon monostachyus (Fabaceae) Leaves Odion, Emmanuel Eimiomodebheki; Ambe, Daniel Akpe-Efiak; Ifejika, Kidochukwu Naomi; Odiete, Eravweroso Congrat; Osigwe, Chinyelu Clementina
Sciences of Phytochemistry Volume 3 Issue 2
Publisher : ETFLIN Publishing House

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58920/sciphy0302244

Abstract

Solenostemon monostachyus (S. monostachyus) is a widely distributed and important herb in central and west Africa, traditionally used in treating various ailments, including tumors. This study aims to identify the phytoconstituents in the methanol leaf extract of S. monostachyus and evaluate the cytotoxic and anti-proliferative potentials of the methanol extract and its fractions (n-hexane, dichloromethane, and ethyl acetate). Preliminary phytochemical screening was conducted to determine different classes of phytochemical constituents in the powdered leaf. Phytoconstituents were identified from the methanol extract by chromatographic analysis (HPLC and GC-MS). The extract and fractions of S. monostachyus were tested against Raniceps raninus tadpoles and Sorghum bicolor radicles to evaluate their cytotoxic and growth suppression potentials. HPLC analysis revealed catechin, cyanogenic glycosides, flavanone, sparteine, sapogenin, and phytate. GC-MS analysis displayed (Z)-2,3-dihydroxypropyl 9-octadecenoic acid ester, 2-dodecyl-1,3-propanediol, 1-nitro-bicyclo[6.1.0]nonan-2-one, and furazano[3,4-b]pyrazine-5,6-diamine, N, N’-di(propynyl) as the prominent compounds. A cytotoxic effect was observed at 160 µg/mL, with a recorded 56.67 ± 3.33% mortality within 0.5 h, increasing to 100.00 ± 0.00% mortality of the tadpoles within 1 h of treatment. A concentration of 16 mg/mL of S. monostachyus extract significantly (p<0.05) exerted 56.15% (0.82 ± 0.08) suppression of the emerging radicles in 24 h, which later increased to 94.55% (1.10 ± 0.07) after 96 h. This indicates that S. monostachyus leaf extract contains phytochemicals with cytotoxic and growth-suppression potentials.
Phytochemical Profiling of Passiflora edulis Vines Odion, Emmanuel Eimiomodebheki; Nwigwe, Godfavour Nzubechukwu; Ambe, Daniel Akpe-Efiak; Nnamani, Monica Nnenna; Osigwe, Chinyelu Clementina; Odiete, Eravweroso Congrat; Iyanyi, Loveth Uchechukwu
Sciences of Phytochemistry Volume 3 Issue 1
Publisher : ETFLIN Publishing House

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58920/sciphy0301219

Abstract

Over time Passiflora edulis f. flavicarpa (PEFF) have been utilized in traditional medicine for the treatment of different health ailments. This study aims to identify the phytochemical constituents in the vines of PEFF responsible for its traditional usage. Maceration in methanol was used in the extraction of the powdered vines and standard procedures were also used to screen for its phytochemical contents. Two chromatographic techniques such as High Pressure Liquid Chromatography (HPLC) and Gas Chromatography - Mass Spectrometry (GC-MS) were exploited to identify and quantify the phytoconstituents in the methanol extract. Phytochemical screening showed alkaloids, glycosides, flavonoids, tannins, steroids, saponins and terpenoids in the vines of PEFF. Prominent compound revealed by HPLC analysis include pyrogallol (18.64%), ferulic acid (13.71%), ellagic acid (12.88%), salicylic acid (10.83%), ribalinidine (10.50%) and cresol (9.67%). While the GC-MS analysis showed Octadec-9-enoic acid (67.78%); 3-methylindole-2-carboxlic acid,4,5,6,7-tetrahydro-, ethyl ester (16.89%) and 3-aminopyrrolidine (14.52%). Thus, the vines of PEFF contain phytoconstituents responsible for it use in traditional medicine.
Co-Authors Ambe, Daniel Akpe-Efiak Edem, Utibe Anietie Ifejika, Kidochukwu Naomi Iyanyi, Loveth Uchechukwu Nnamani, Monica Nnenna Nwigwe, Godfavour Nzubechukwu Odiete, Eravweroso Congrat Odion, Emmanuel Eimiomodebheki Okokon, Jude Efiom Uwaeme, Ugonma Florence