Dr. John Vershima Anyam
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Dr. John Vershima Anyam

Lecturer II
University of Agriculture, Nigeria


Highest Degree
Ph.D. in Organic Chemistry from Ahmadu Bello University, Nigeria

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Area of Interest:

Chemistry
100%
Pharmaceutical Chemistry
62%
Organic Chemistry
90%
Natural Compounds
75%
Medicinal Plants
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. Nna, P.J., T.A. Tor-Anyiin, J.O. Igoli, M.E. Khan and J.V. Anyam, 2017. Phytochemical and antimicrobial screening of root extracts of Dacryodes edulis. Biotechnol. J. Int., 19: 1-9.
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  2. Ali, E.O., T.A. Tor-Anyin, J.O. Igoli, J.V. Anyam and C. Hammuel, 2017. Antimicrobial activity of Anogeissus leiocarpus stems bark extracts and an isolate from the plant against some microbes. Am. J. Res. Commun., .
    Direct Link  |  
  3. Tor-Anyiin, T.A., L.A. Nnamonu, A.A. Fabunmi and J.V. Anyam, 2016. Isolation and characterization of a-sitosterol from ethyl acetate extract of Acalypha wilkesiana twigs. J. Chem. Soc. Nigeria, 41: 103-107.
  4. Shimbe, R.Y., T.A. Tor-Anyiin, M.E. Khan, and J.V. Anyam, 2016. A-sitosterol from hymenocardia acida root extract and its antimicrobial activity. J. Chem. Soc. Nigeria, 41: 76-81.
  5. Odeh, I.C., T.A. Tor-Anyiin, J.O. Igoli and J.V. Anyam, 2016. In vitro antimicrobial properties of friedelan-3-one from Pterocarpus santalinoides L'Herit, ex Dc. Afr. J. Biotechnol., 15: 531-538.
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  6. Nnamonu, L.A., T.A. Tor-Anyiin, N.O. Ugbenyo and J.V. Anyam, 2016. Isolation and characterization of á –amyrin from stem bark of Ficus exasperata (Vahl). Biotechnol. J. Int., 16: 1-7.
  7. Dikko, Y.J., M.E. Khan, T.A. Tor-Anyiin, J.V. Anyam and U.A. Linus, 2016. In vitro antimicrobial activity of fruit pulp extracts of Azanza garckeana (F. Hoffm.) Exell and Hillc. and isolation of one of its active principles, Betulinic acid. Br. J. Pharm. Res., 14: 1-10.
    Direct Link  |  
  8. Akacha, L.U., J.Y. Dikko, M.E. Khan, J.V. Anyam and J.O. Igoli, 2016. Phytochemical screening and antimicrobial activity of Bryophyllum pinnatum extracts. British Biotechnol. J., 16: 1-8.
  9. Tor-Anyiin, T.A., J.V. Anyam, G. Anger and J.N. Anyam, 2015. Preliminary phytochemical screening and antimicrobial activity of dried seed extracts of maranthes polyandra. J. Chemi. Soci. Nigeria, 40: 24-27.
  10. Tor-Anyiin, T.A., J.O. Igoli, J.V. Anyam and J.N. Anyam, 2015. Isolation and antimicrobial activity of sarracenin from root-bark of Strychnos spinosa. J. Chemi. Soci. Nigeria, 40: 71-75.
  11. Iombor, T.T. and J.V. Anyam, 2015. Epicarp of the fruit of landolphia owariensis is rich in medicinal phytochemicals and has broad spectrum antimicrobial potential. Int. J. Curr. Rese. Chemi. Pharma. Sci., 2: 13-19.
  12. Khan , M.E., J.V. Anyam and B.L. Penuel, 2014. Comparison of the proximate composition and the anti- microbial properties of ethanol and aqueous extracts of the stem-bark of leptadenia hastata (Rubiaceae). Int. J. Adv. Multidiscip. Res., 1: 54-58.
  13. Tor-Anyiin, T.A. and J.V. Anyam, 2013. Phytochemical evaluation and antibacterial activity: A comparison of various extracts from some Nigerian trees. Peak J. med. Plant Res., 1: 13-18.
  14. Tor-Anyiin T.A., R.Y. Shimbe and J. V. Anyam, 2013. Phytochemical and medicinal activities of hymenocardia acida tul (Euphorbiaceae): A review. Nat. Prod. Plant Resour., 3: 11-16.
  15. Obinna, O., J.V. Anyam and O.O. Peter, 2013. The effect of extraction protocol on the phytochemical and antimicrobial activities of lantana camara leaf extract found within a local environment. J. Basic. Appl. Chem., 3: 1-5.