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Relevant bibliographies by topics / Vernonia amydalina

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Journal articles

Academic literature on the topic 'Vernonia amydalina'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "Vernonia amydalina"

1

Chidera V. Eboh, Chukwubuikem C. Okolo, Ogechi O. Anyanwu, Nkeoma N. Okoye, Chigozie C. Ezeagha, and Festus B.C. Okoye. "Metabolites of Colletrotricum species, an endophytic fungus isolated from Vernonia amygdalina Del possess antimicrobial and antioxidant activities." GSC Biological and Pharmaceutical Sciences 20, no. 3 (2022): 148–59. http://dx.doi.org/10.30574/gscbps.2022.20.3.0323.

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The endophytic fungus, colletrotricum species, isolated from the leaves of Vernonia amygdalina was investigated for its chemical constituents and biological activity. The pure fungus was grown using solid fermentation on rice medium and the metabolites were extracted using ethyl acetate. Further purification of the extract was carried out using vacuum liquid chromatography (VLC) and gel chromatography on Sephadex LH-20. The chemical constituents were detected by dereplication using HPLC-DAD. Antimicrobial assay of the Sephadex fractions EC3-1 and EC3-3 were evaluated using agar well diffusion

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2

Chidera, V. Eboh, C. Okolo Chukwubuikem, O. Anyanwu Ogechi, N. Okoye Nkeoma, C. Ezeagha Chigozie, and B.C. Okoye Festus. "Metabolites of Colletrotricum species, an endophytic fungus isolated from Vernonia amygdalina Del possess antimicrobial and antioxidant activities." GSC Biological and Pharmaceutical Sciences 20, no. 3 (2022): 148–59. https://doi.org/10.5281/zenodo.7142366.

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The endophytic fungus, <em>colletrotricum</em> species, isolated from the leaves of <em>Vernonia amygdalina </em>was investigated for its chemical constituents and biological activity. The pure fungus was grown using solid fermentation on rice medium and the metabolites were extracted using ethyl acetate. Further purification of the extract was carried out using vacuum liquid chromatography (VLC) and gel chromatography on Sephadex LH-20. The chemical constituents were detected by dereplication using HPLC-DAD. Antimicrobial assay of the Sephadex fractions EC3-1 and EC3-3 wer

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3

Wirasti, Wirasti, Farahdina Ulfah, and Slamet Slamet. "Karakterisasi Sediaan Suspensi Nanopratikel Ekstrak Etanol Daun Afrika (Vernonia Amygdalina Del.)." Cendekia Journal of Pharmacy 4, no. 2 (2020): 138–48. http://dx.doi.org/10.31596/cjp.v4i2.107.

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Nanopartikel merupakan partikel koloid atau padatan dengan diameter berukuran 10 – 1000 nm. Daun Afrika (Vernonia amydalina Del.) merupakan tanaman yang memiliki banyak manfaat dalam pengobatan, Penelitian ini bertujuan untukformulasinanopartikel ekstrak etanol Daun Afrika sebagai zat aktif dalam sediaan suspensi dan mengevaluasinya. Metode pembuatan nanopartikel ekstrak etanol Daun Afrika pada penelitian ini yaitu metode gelasi ionik. Nanopartikel ekstrak etanol Daun Afrika dikarakterisasi menggunakan PSA. Evaluasi sediaan suspensi meliputi uji organoleptik, pH, viskositas, sedimentasi, volum

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4

Frank Uchenna, Eneh, Okeke Chidi Benjamin, Igbokwe Gabriel Ejike, Okpala Chukwuemeka Obumneme, and Nwachukwu Godslove Pephel. "Antibacterial Effects of Aqueous Ethanolic Leaf Extracts of Ocimum gratissimum, Cymbopogon citratus, Vernonia amygdalina and Annona muricata on the Isolated Pathogenic Organism of Citrus Canker from Citrus sinensis (Sweet Orange)." Journal of Biotechnology Research, no. 58 (August 25, 2019): 64–68. http://dx.doi.org/10.32861/jbr.58.64.68.

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The aqueous ethanolic extracts of Vernonia amygdalina, Ocimum gratissimum, Cymbopogon citrates and Annona muricata were screened for antibacterial activities at 200mg/ml concentration. Antibacterial efficacy of extracts against the bacteria were identified by gram staining techniques, coagulase and catalase tests and the bacterial isolate was indicated by the appearance of clear zones of inhibition around the disks. The extracts of Vernonia amygdalina and Ocimum gratissimum showed inhibitory activities against the bacterial isolate with zones of inhibition of 12mm and 8.5mm respectively while

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5

A., I. Nta, E. Agbo B., and S. Udoekong N. "Bio-insecticidal and Grain Protectant Activities of Mixed Powder of Ocimum gratissimum and Vernonia amydalina against Callosobruchus maculatus (Coleoptera: Bruchidae) in Calabar, Nigeria." Asian Journal of Biology 2, no. 3 (2017): 1–7. https://doi.org/10.9734/AJOB/2017/33500.

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The bio-insecticidal and grain protectant activities of mixed powder of <em>Ocimum gratissimum</em> and <em>Vernonia amygdalina </em>upon <em>Callosobruchus maculatus</em> was carried out in Calabar, Nigeria during the dry season (August to November) of 2015. The mortality rate of cowpea weevil treated <em>V. amygdalina</em>: <em>O. gratissimum</em> at 100: 0 concentrations were 17.0%, 27.0%, and 47.0% for a period of 24hrs, 48hrs and 72hrs, respectively. Concentrations 0:100 gave a percentage mortality of 47.0%, 67.0% and 73.0% at 24hrs, 48hrs and 72hrs, respectively. 80: 20 and 20: 80 concen

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6

Nta, A., B. Agbo, and N. Udoekong. "Bio-insecticidal and Grain Protectant Activities of Mixed Powder of Ocimum gratissimum and Vernonia amydalina against Callosobruchus maculatus (Coleoptera: Bruchidae) in Calabar, Nigeria." Asian Journal of Biology 2, no. 3 (2017): 1–7. http://dx.doi.org/10.9734/ajob/2017/33500.

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7

James, Stephen, Efe Omwirhiren, Istifanus Joshua, Iliyasu Suleiman, and Joseph Endas. "In vitro and In vivo Assessment of the Anti-diabetes Potentials of Murraya koenigii, Hibiscus cannabinus, Vernonia amydalina and Telfairia occidentalis Leave Extract." International Journal of Biochemistry Research & Review 15, no. 1 (2016): 1–11. http://dx.doi.org/10.9734/ijbcrr/2016/30494.

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8

Ogunjinmi, Oluwasayo Esther, Olumayowa Vincent Oriyomi, and Adedoyin Adetutu Olasunkanmi. "Phytochemical, Antioxidant and Anti-diabetic Potentials of the Ethanol Leave Extracts of four Medicinal Plants." European Journal of Medicinal Plants 34, no. 5 (2023): 1–11. http://dx.doi.org/10.9734/ejmp/2023/v34i51135.

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For many years, medicinal plants have been a resource for healing in several local communities around the world and the phytochemicals in them such as flavonoids, alkaloids, phenolic, tannins, and terpenoids are attributed to their many medicinal values. Vernonia amydalina, Senna alata, Jatropha curcas, and Grewia pubescens are important plants with immense value. In this study, phytochemical screening, antioxidant analysis and the potential anti-hyperglycemic properties of the plants was investigated in-vitro. The ethanol leave extracts of the plants were subjected to qualitative phytochemica

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9

Auwal, Musa M., Jibrin M. Yelwa, Ibrahim Abubakar, Jamilu B. Umar, Hussaina G. Anchau, and Fatima B. Tanimu. "The Levels of Antinutritional Factors in Moringa Oleifera and Vernomia Amygdalina Leaves Found in Some Part of Plateau State, Nigeria." Oriental Journal of Physical Sciences 4, no. 2 (2020): 65–69. http://dx.doi.org/10.13005/ojps04.02.06.

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In this research work, various materials were used and they include; apparatus such as fume cupboard, measuring cylinder, spatula, centrifuge, pipette and reagent such as Na2CO3, CaCl2, H2SO4, HCl, AgNO3. The nutrient composition of V. Amydalina are: Phytate 11.9 ± 0.01 (mg/100g), oxalate 244.02 ± 0.57 (mg/100g), tannins 1.28 ± 0.50 (mg/100g), alkaloid 1.66 ± 0.01%, HCN 2036.00 ± 0.58 (mg/100g) and M. oleifera are: phytate 10.58 ± 0.01 (mg/100g), oxalate 334.33 ± 0.67 (mg/100g), tannin 8.19 ± 0.01 (mg/100g), alkaloid 1.72 ± 0.01% and HCN 3998.30 ± 0.49 (mg/100g). These results showed that V. A

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10

Nitonye, Samson, Umoh Ofonime Emmanuel, and A. Ogbonnaya Ezenwa. "Combating Corrosion in Transmission Pipelines in Marine Environment Using Vernomia Amydalina as Inhibitor." Open Journal of Marine Science 08, no. 04 (2018): 450–72. http://dx.doi.org/10.4236/ojms.2018.84025.

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