• Antioxidant Activity of South African Red and White ...

    2003-1-16  The total antioxidant activities (TAA) of red and white wines using ABTS •+ were 14.916 and 0.939 mM Trolox, respectively, at corresponding total phenol (TP) contents of 2339.0 and 273.8 mg of gallic acid equiv/L. Ruby Cabernet wines had the lowest TAA ABTS (13.177 mM Trolox) of the red wines, whereas the TAA ABTS values of Chardonnay and Chenin blanc wines were the highest (1.060 mM

  • Get Price
  • Phenolic content and antioxidant activity of South African ...

    2016-11-21  Table 1.2.1 Levels of total phenolics and antioxidant activity reported in sorghum whole grain and fractions 12 Table 2.1.1 Average daily maximum temperature and total rainfall recorded during the sorghum growing season (November 2005 to February 2006) 27 Table 2.1.2 Effect of cultivar on Hunter L, a and b values of South Africa

  • Get Price
  • Comparison of antioxidant activity of Moringa AUTHORS ...

    2013-4-26  oleifera and selected vegetables in South Africa The antioxidant activity of the leaves and flowers of the Moringa oleifera plant were investigated and the results were compared to those of selected vegetables (cabbage, spinach, broccoli, cauliflower and peas).

  • Get Price
  • The anti-inflammatory and antioxidant activity of 25

    2015-5-27  In South Africa the use of plants to treat many diseases is widely practiced. According to Iwalewa et al. , more than 115 plant species of 60 families are used in South Africa to treat pain-related inflammatory disorders in humans and animals. The bioactive principles in these plant species have been linked to secondary metabolites such as ...

  • Get Price
  • Phytochemical and Antioxidant Activities of Cucumis ...

    Solvent extracts showed significant antioxidant activity, with acetone showing highest antioxidant ability in correlation with the polyphenol contents. Based on the IC 50 values, acetone extract of the root revealed the best DPPH radical scavenging ability, the leaf aqueous extract had the highest IC 50 value for ABTS, and the methanol extract of the leaf was best for phosphomolybdenum assays.

  • Get Price
  • Anti-inflammatory, anticholinesterase and antioxidant ...

    2015-2-3  Antioxidant activity, total phenolic and total flavonoids contents were determined using standard in vitro methods. RESULTS: The extract of Burkea africana had the highest anti-15-lipoxygenase activity with 85.92% inhibition at 100µg/mL.

  • Get Price
  • Antioxidant Activity of African Medicinal Plants ...

    2013-1-1  In Africa, multidrug-resistant nontyphoidal salmonellae (NTS) are one of the leading causes of morbidity and high mortality in children under 5 years of age . T. sanguinea is also known to possess antioxidant activity , . N’Guessan et al. successfully isolated two phenolic antioxidant compounds from this plant. These are brevifolin carboxylic acid and gallic acid.

  • Get Price
  • Anti-inflammatory and antioxidant properties of leaf ...

    Anti-inflammatory and antioxidant properties of leaf extracts of eleven South African medicinal plants used traditionally to treat inflammation. The acetone extract of Typha capensis and its fractions had good anti-inflammatory and antioxidant activities, supporting

  • Get Price
  • Phytochemical studies and antioxidant activity of two ...

    2012-4-13  Phytochemical studies and antioxidant activity of two South African medicinal plants traditionally used for the management of opportunistic fungal infections in HIV/AIDS patients

  • Get Price
  • Antifungal, anti-oxidant activity and cytotoxicity of ...

    2018-11-1  The results for the antifungal activity of aqueous and organic South African plant extracts are reported (Table 2). Aspergillus parasiticus was the most susceptible fungal strain to the organic plant extracts yielding the average MIC value of 0.22 mg/mL.

  • Get Price
  • Antioxidant Activity of South African Red and White ...

    2003-1-16  The free radical scavenging activity of South African red (n = 46) and white (n = 40) cultivar wines was determined using 2,2‘-azinobis(3-ethylbenzothialozinesulfonic acid) radical cations (ABTS•+) and 2,2-diphenyl-1-picrylhydrazyl radicals (DPPH•). The total antioxidant activities (TAA) of red and white wines using ABTS•+ were 14.916 and 0.939 mM Trolox, respectively, at corresponding ...

  • Get Price
  • The anti-inflammatory and antioxidant activity of 25

    2015-5-27  In South Africa the use of plants to treat many diseases is widely practiced. According to Iwalewa et al. , more than 115 plant species of 60 families are used in South Africa to treat pain-related inflammatory disorders in humans and animals. The bioactive principles in these plant species have been linked to secondary metabolites such as ...

  • Get Price
  • Anti-inflammatory, anticholinesterase and antioxidant ...

    Anti-inflammatory, anticholinesterase and antioxidant activity of leaf extracts of twelve plants used traditionally to alleviate pain and inflammation in South Africa J Ethnopharmacol. 2015 Feb 3;160:194-201. doi: 10.1016/j.jep.2014.11.034. Epub 2014 Dec 2. ...

  • Get Price
  • African Herbal Remedies with Antioxidant Activity: A ...

    South Africa: Antioxidant activity. Used as tonic for colds, catarrh and tuberculosis. Pinitol, shikimic acid, p-coumaric acid, 4-glucosyltyrosol, epigallocatechin gallate, the isoflavone orobol, the flavanones hesperedin, narirutin and eriocitrin, a glycosylated flavan, the flavones luteolin, 5-deoxyluteolin and scolymoside, the xanthone ...

  • Get Price
  • Anti-inflammatory, anticholinesterase and antioxidant ...

    2016-10-18  Anti-inflammatory, anticholinesterase and antioxidant activity of leaf extracts of twelve plants used traditionally to alleviate pain and inflammation in South Africa J.P. Dzoyema,b and J.N. Eloffa* a Phytomedicine Programme, Department of Paraclinical Sciences, Faculty

  • Get Price
  • The antibacterial activity, antioxidant activity and ...

    2014-3-3  The antioxidant activity was determined using the ABTS and DPPH methods. Maesa lanceolata and Leucosidea sericea with an MIC of 0.02 mg/ml had excellent antibacterial activity against Enterococcus faecalis and Pseudomonas aeruginosa. There was a poor correlation between antioxidant activity and antibacterial activity with R2 = 0.143.

  • Get Price
  • Chemical Composition and Antioxidant Activity of

    2017-10-11  Abstract. The purpose of this study was to determine the chemical composition of essential oils from Tagetes minuta from the Eastern Cape of South Africa and evaluate their antioxidant potential for medicinal end use. The essential oils were extracted by hydrodistillation method from fresh and dry parts (stem, leaves and flowers) of Tagetes minuta collected from Komga, Eastern Cape Province ...

  • Get Price
  • Anti-inflammatory and antioxidant properties of leaf ...

    2019-4-24  The TC acetone extract had the best antioxidant activity with IC 50 of 7.11 and 1.91 µg/mL respectively in the DPPH and ABTS assays. Following fractionation of the TC plant material, the ethyl acetate fraction had interesting antioxidant activity and the methanol/water (35%) and hexane fractions had good 15-LOX inhibitory activity.

  • Get Price
  • In vitro cytotoxicity, antioxidant and anti-inflammatory ...

    2019-11-1  In South Africa, the rates of cancer ... Strong antioxidant activity of the bark ethyl acetate extract of P. manni (synonym of P. viridiflorum) with IC 50 values at least three times more than trolox in DPPH (IC 50 = 177.49 μg/ml) and ABTS (IC 50 = 331.48 μg/ml) assays was reported in a study by Momeni et al. (2010).

  • Get Price
  • Cytotoxicity, antimicrobial and antioxidant activity of ...

    2017-3-6  Dzoyem JP, Eloff JN. Anti-inflammatory, anticholinesterase and antioxidant activity of leaf extracts of twelve plants used traditionally to alleviate pain and inflammation in South Africa. J Ethnopharmacol. 2015;160:194–201. CAS Article PubMed Google Scholar 17. Metwally AM, Omar AA, Harraz FM, El Sohafy SM.

  • Get Price
  • Phenolic content and antioxidant activity of South African ...

    2016-11-21  Table 1.2.1 Levels of total phenolics and antioxidant activity reported in sorghum whole grain and fractions 12 Table 2.1.1 Average daily maximum temperature and total rainfall recorded during the sorghum growing season (November 2005 to February 2006) 27 Table 2.1.2 Effect of cultivar on Hunter L, a and b values of South Africa

  • Get Price
  • In vitro antioxidant activity of extracts from the leaves ...

    In vitro antioxidant activity of extracts from the leaves of Felicia muricata thunb. An underutilized medicinal plant in the Eastern Cape Province, South Africa. Ashafa AO(1), Grierson DS, Afolayan AJ. Author information: (1)Centre for Phytomedicine Research, Department of Botany, University of Fort Hare, Alice 5700, South Africa.

  • Get Price
  • Anti-inflammatory, anticholinesterase and antioxidant ...

    2015-2-3  1. J Ethnopharmacol. 2015 Feb 3;160:194-201. doi: 10.1016/j.jep.2014.11.034. Epub 2014 Dec 2. Anti-inflammatory, anticholinesterase and antioxidant activity of leaf extracts of twelve plants used traditionally to alleviate pain and inflammation in South Africa.

  • Get Price
  • Phytochemical and Antioxidant Activities of Cucumis ...

    Objective: To evaluate the phytochemical content and antioxidant potential of the acetone, aqueous, and methanol extracts of the fruit, leaf, and root of Cucumis africanus L.f. Methods: Total phenolic, flavonoid, and proanthocyanidin contents were evaluated using spectrophotometric methods. The free radical scavenging activity of the acetone, methanol, and aqueous extracts of the fruit, leaf ...

  • Get Price
  • Anti-inflammatory and antioxidant properties of leaf ...

    The TC acetone extract had the best antioxidant activity with IC 50 of 7.11 and 1.91 µg/mL respectively in the DPPH and ABTS assays. Following fractionation of the TC plant material, the ethyl acetate fraction had interesting antioxidant activity and the methanol/water (35%) and hexane fractions had good 15-LOX inhibitory activity.

  • Get Price
  • African Herbal Remedies with Antioxidant Activity: A ...

    South Africa: Antioxidant activity. Used as tonic for colds, catarrh and tuberculosis. Pinitol, shikimic acid, p-coumaric acid, 4-glucosyltyrosol, epigallocatechin gallate, the isoflavone orobol, the flavanones hesperedin, narirutin and eriocitrin, a glycosylated flavan, the flavones luteolin, 5-deoxyluteolin and scolymoside, the xanthone ...

  • Get Price
  • Anti-inflammatory, anticholinesterase and antioxidant ...

    2016-10-18  Anti-inflammatory, anticholinesterase and antioxidant activity of leaf extracts of twelve plants used traditionally to alleviate pain and inflammation in South Africa J.P. Dzoyema,b and J.N. Eloffa* a Phytomedicine Programme, Department of Paraclinical Sciences, Faculty

  • Get Price
  • Antioxidant and Prebiotic Activity of Selected Edible Wild ...

    2018-10-13  Antioxidant activity, ascorbic acid and total dietary fibre contents were determined in edible wild plants from Lesotho, Swaziland and South Africa. Pure probiotic strains of Bifidobacterium animalis subsp. animalis (ATCC 25527), Lactobacillus rhamnosus (TUTBFD) and Lactobacillus acidophilus (ATCC 314) were cultured in broth

  • Get Price
  • Evaluation of antioxidant activity and the fatty acid ...

    2007-1-1  The leaves of Vernonia amygdalina were examined for antioxidant activity and analysed for their fatty acids content. Using transesterification and GC–MS analysis, 12 fatty acids were identified, which accounted for 74.1% of the lipid content. Two essential fatty acids (EFA), linoleic and α-linolenic acid were found in abundance in the oil.

  • Get Price
  • Phytochemical analysis and anti-oxidant activities of ...

    2017-6-1  Methods. The antioxidant activity was determined by evaluating the effect of various solvent extracts (acetone, methanol, ethanol and water) on 2,2 – diphenyl-2-picrylhydrazyl (DPPH) scavenging activity, 2,2′ – azino-bis (3-ethylbenzthiazoline-6-sulfonic acid diammonium salt (ABTS), ferric reducing power, hydrogen peroxide and nitric oxide scavenging activity while the various extracts ...

  • Get Price