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antioxidant

Papers (783)

Evaluation of Some Vitamins and Macro-Nutrients Composition of Ethanolic Extract of Tecoma stans and Costus afer Leaves

I. P. Ekpe, E. O. Udosen & Dennis Amaechi · International Journal of Biochemistry Research & Review · 2018

Aim: This study aims to determine the presence of some vitamins and minerals in both T. stans and C. afer leaves. Materials and Methods: Composition of some vitamins and minerals of ethanolic extract of T. stans and C. afer leaves were evaluated and collected at Malabo Campus, Un...

Open access Research Article 10.9734/IJBCRR/2018/44554

Effects of Honey on Total Phenolic Content and Antioxidant Activities of Pineapple (Ananas comosus) Drink Before and During Storage

T. K. Adebayo, I. A. Abdulraheem, A. S. Daramola & T. C. Israel · Current Journal of Applied Science and Technology · 2018

This study determined the effects of honey on total phenolic content and antioxidant activities of pineapple (Ananas comosus) drink before and during storage. Packaged honey was added to pineapple drink at ratios, 0, 5, 10, 15 and 20%. Pineapple without honey was used as a contro...

Open access Research Article 10.9734/CJAST/2018/44040

In vitro Antioxidant and Cholinesterase Inhibitory Activities of Methanolic Extract of Grewia nervosa L. (Family: Tiliaceae) Leaf

Md. Sharif Ahammed, Md. Shariful Islam, Md. Mosiqur Rahman, Sabiha Ferdowsy Koly, Kamruzzaman Rakib, Sonia Zaman, Rajesh Goswami, Mst. Shirajum Munira & Shumaya Islam · European Journal of Medicinal Plants · 2018

Aims: The methanolic extract of Grewia nervosa L. leaves belongs to the family of Tiliaceae. The purpose of this study was to evaluate total phenolics, total flavonoids,  total proanthocyanidins, total antioxidant capacity, iron reducing power capacity, free radical scavenging ac...

Open access Research Article 10.9734/EJMP/2018/42674

Phytochemical Studies, Antioxidant Properties and Development of Dye Indicator from Aspilia africana Leaves

H. C. C. Maduka, C. E. Ugwu, A. N. Okpogba, P. N. Ogueche, C. C. Dike, C. O. Okonkwo & C. C. Ihem-Avoaja · Journal of Applied Life Sciences International · 2018

Background: Synthetic indicators are reported to be costly and could be toxic to both the user and the environment. This has necessitated the need for an alternative from natural sources. This study aimed to extract and apply natural dye as an indicator in acid-base titration and...

Open access Research Article 10.9734/JALSI/2018/42711

Phytochemical Analysis and Antioxidant Properties of the Ethanolic Extract from Tetracarpidium conophorum (African Walnut) and Pterocarpus soyauxii (oha) Leaf

H. C. C. Maduka, C. E. Ugwu, A. N. Okpogba, P. N. Ogueche, C. C. Dike, C. O. Okonkwo & A. C. Nwanyanwu · Journal of Applied Life Sciences International · 2018

The study investigated the phytochemical and antioxidant vitamins constituents of the leaves of Pterocarpus soyansii (oha) and the nuts of Tertracarpidium conophorum (African Walnut). The phytochemicals and antioxidant vitamins were determined on the ethanolic extracts using stan...

Open access Research Article 10.9734/JALSI/2018/42439

In Vitro Evaluation of Antioxidant and Anti-inflammatory Properties of Methanol and Dichloromethane Extracts of the Leaf of Globimetula oreophila

Esther O. Faboro, Idowu J. Olawuni, Bolajoko A. Akinpelu, Oluokun O. Oyedapo, Ezekiel O. Iwalewa & Craig A. Obafemi · Chemical Science International Journal · 2018

Aims: The study was designed to investigate the antioxidant and membrane stabilizing potentials of the leaf of Globimetula oreophila, with a view to providing scientific support for the acclaimed ethnomedicinal or traditional uses of the plant. Methodology: The study involved col...

Open access Research Article 10.9734/CSJI/2018/42051

Phytochemical Screening and Evaluation of Antioxidant, Antibacterial and Cytotoxicity Activities of Methanolic and Ethanolic Extracts of Enhydra fluctuans Lour (Helencha) (Family: Asteraceae) Stems and Leaves

Najnin Akter Haoya, Md. Shariful Islam, Sharifa Sultana, Sheikh Jannatul Mahia, Fakhrul Islam Sukorno & Mourani Biswas · International Journal of Plant & Soil Science · 2018

Aims: To investigate the presence of various phytochemicals and to evaluate DPPH scavenging activity, total flavonoid content, antimicrobial and cytotoxic activities of the different extracts of Enhydra fluctuans lour. Place and Duration of Study: The study was carried out betwee...

Open access Research Article 10.9734/IJPSS/2018/42796

Evaluation of the Antioxidant, Analgesic and Cytotoxic Activities of Daucus carota canopy L Ethanolic Extract

Abeer Foaud Osman, Nabila Helmy Shafik, Reham Ezzat Shafek & Helana Naguib Michael · Annual Research & Review in Biology · 2018

In researcher’s previous study it has been found that the 80% ethanolic extract of Daucus carota canopy L was the most active extract for antibacterial activity and its phytochemical screening led to the isolation and identification of 12 natural flavone compounds including the n...

Open access Research Article 10.9734/ARRB/2018/42402

Hypoglycemic, Antihyperlipidemic and Antioxidant Effects of Manniophyton fulvum Aqueous Root Extract on Streptozotocin-induced Hyperglycemic Wistar Rats

Odinaka E. Mgbeke, Jude C. Ikewuchi, Augustine A. Uwakwe & S. A. U. Offiah · International Journal of Biochemistry Research & Review · 2018

This study investigated the hypoglycemic effect of M. fulvum on streptozotocin (STZ)-induced hyperglycemia in Wistar rats. The oxidative damage in the blood, liver, pancreas and kidney cells, hepatic enzyme activities and lipid profile of the Wistar rats were also ascertained. Ra...

Open access Research Article 10.9734/IJBCRR/2018/42234

Antisickling and Radical Scavenging Activities of Selected Medicinal Plants and Compounds from Mitracarpus villosus (Sw.) DC. Cham

Christianah A. Elusiyan, Opeyemi Ayoade, Adewale O. Adeloye, Felix O. Olorunmola, Joseph M. Agbedahunsi & Abiodun O. Ogundaini · European Journal of Medicinal Plants · 2018

Aims: This study investigated the antisickling and radical scavenging activities of different morphological parts of nine plants, belonging to six families. A bioassay-guided fractionation was carried out on Mitracarpus villosus (Sw.) DC. Cham, which was one of the most active pl...

Open access Research Article 10.9734/EJMP/2018/42706

Performance and Meat Quality Attributes of Broiler Chickens Fed Onion Skin Extract and Onion Skin Meal Supplemented Diets at the Finisher Stage

Olubunmi O. Olusola, Tella Azeez Kehinde & Olasunkanmi Akanbi Akeem · Journal of Experimental Agriculture International · 2018

Aims: This study was carried out to investigate the meat quality attributes of broiler chickens fed onion skin extract and onion skin meal supplemented diets at the finisher stage. Study Design: The experiment employed a complete randomized design; all data generated were subject...

Open access Research Article 10.9734/JEAI/2018/41515

Evaluation of Antioxidant and Cholinesterase Inhibitory Activities of Hoya parasitica Variegata - An In-vitro Study

Israt Jahan Bulbul, Sumaiya Binta Fashiuddin & Md. Asaduzzaman · Annual Research & Review in Biology · 2018

Aim: Oxidative stress is responsible for the development of different neurological disorders such as Alzheimer’s disease (AD). In the present study, Hoya parasitica variegata belonging to the family Apocynaceae was evaluated for its cholinesterase inhibitory and antioxidant activ...

Open access Research Article 10.9734/ARRB/2018/39925

Antioxidant Properties of Carica papaya on Cadmium Toxicity on Prefrontal-Cortex of Adult Wistar Rats

H. B. Akpan, O. D. Omotoso, A. R. Olapade, E. Ogbonna, M. N. Negedu, A. A. Akande, A. O. Adedeji, F. E. Oladipupo & P. K. Orisadiran · European Journal of Medicinal Plants · 2018

Background: Cadmium is a carcinogenic agent in humans, and therefore, a cancer causing substance. In the body it is extensively circulated, but it is bound mainly to erythrocytes. Though cadmium binds to various macromolecules and proteins in the body, it is not well metabolized....

Open access Research Article 10.9734/EJMP/2018/22753

Antioxidant Chemical Constituents from Lychee Seed (Litchi chinensis Sonn.)

Xuzhe Dong, Yihai Wang & Xiangjiu He · Journal of Complementary and Alternative Medical Research · 2018

Aims: To research non-flavonoids chemical constituents from the lychee seed. Study Design: Chemical constituents were isolated and elucidated from the lychee seed and their antioxidant activities were also estimated. Place and Duration of Study: School of Pharmacy, Guangdong Phar...

Open access Research Article 10.9734/JOCAMR/2018/41823

Antioxidant Activity of Polyphenolic Leaf Extract from Santolina chamaecyparissus L. (Asteraceae) and the Isolated Luteolin-7-O-Glucoside

Chahra Boudoukha, Hamama Bouriche, Mahfuz Elmastas, Huseyin Aksit, Omer Kayir, Nusret Genc & Abderrahmane Senator · Journal of Pharmaceutical Research International · 2018

Aim: The present study aimed to investigate the chemical constituents and antioxidant potential of Santolina chamaecyparissus polyphenolic extract (SCPE). Materials and Methods: The extract containing phenolic compounds, was extracted with ethyl acetate and luteolin-7-O-glucoside...

Open access Research Article 10.9734/JPRI/2018/40726