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Dorcas Moronkola

Country of origin: Nigeria Currently in: Nigeria, Ibadan General field of specialization: Chemical Sciences
Academic Background

Degrees

2001 Doctorate Chemical Sciences
1988 Master Chemical Sciences
1985 Undergraduate Social and Economic Sciences
2005 Master Social and Economic Sciences
Research and Profession

Current Research Activities

Chemical Sciences

Synthesized interesting ionones, campholene nitriles; investigated extracts, essential oils of L.cyanescens, Fruit plants (P. guajava, T.catappa, I.gabonensis, S.mombin, C.albidum, A.occidentale, G.arborea), which are good sources of terpenoids. Studied chemical constituents, bioactivities of essential oils from medicinal plants. Currently into isolations, characterizations, bioactivities of metabolites in promising ethno-medicinally utilized Nigerian plants.


Publications resulting from Research: 


1. Moronkola, D.O. (2012). Developments in phytochemistry. In Vallisuta, O. and Olimat, S.M. (Eds). Drug discovery research in pharmacognosy Rijeka: In-Tech. 11-22pp. ISBN 978-953-51-0213-7. (Croatia)
2. Ekundayo, O., Sappanen-Laakso, T., Laakso, I. and Ajani, F. (1991). Volatile constituents of Psidium guajava L. (guava) fruits. Flavour and Frangrance Journal Vol.6, 233-236.
3. Moronkola, D.O. and Ekundayo, O. (2000). Chemical constituents in the fruit essential oil of Terminalia catappa Linn (almond fruits). Journal of Tropical Forest Resources Vol.16, No.1, 72-79.
4. Moronkola, D.O. and Ekundayo, O. (2002). Volatile constituents of Irvingia gabonensis Aubry-Lecomtext O’Rorke Baillon fruits (African native mango). Journal of Tropical Forest Resources Vol.18, No.1: 56-63.
5. Moronkola, D.O., Adeleke, A.K. and Ekundayo, O. (2003). Constituents of the Spondias mombin Linn and the comparison between its fruit and leaf essential oils. Journal of Essential Oil Bearing Plants Vol.6, No.3: 148-151.
6. Moronkola, D.O., Aiyelaagbe, O.O. and Ekundayo, O. (2005). Syntheses of eight fragrant terpenoids (ionone derivatives) via the aldol condensation of citral and eight ketones. Journal of Essential Oil Bearing Plants Vol.8, No.1: 87-98.
7. Moronkola, D.O., Ogunwande, I.A. and Ekundayo, O. (2005). A review of aroma compounds in valuable African shrubs and fruit plants. Bowen Journal of Agriculture Vol.2, No.1: 49-59.
8. Moronkola, D.O., Oyedeji, A.O. and Ekundayo, O. (2006). Composition of the root essential oil of Chrysophyllum albidum G. Don. Bowen Journal of Agriculture Vol.3, No.1: 53-58.
9. Moronkola, D.O., Ogunwande, I.A., Walker, T.M., Setzer, W.N. and Oyewole, I.O. (2007): Identification of the main volatile compounds in the leaf and flower of Tithonia diversifolia (Hemsl.) Gray,. Journal of Natural Medicines Vol.61, 63–66.
10. Moronkola, D.O., Adeleke, A.K. and Ekundayo, O. (2007). Composition of the limonene dominated leaf essential oil of Nigerian Anacardium occidentale. Journal of Essential Oil Research Vol.19, No.4: 301-303.
11. Moronkola, D.O., Aiyelagbe, O.O., Adesanwo, J.K. and Ekundayo, O. (2007). Characterizations in studying the effect of acid reagent on the rearrangement reaction of camphoroxime producing different ratios of the α:β-campholene nitriles. Ife Journal of Science Vol.9, No.2: 231-240.
12. Moronkola, D.O., Oladosu, I.A., Ogunwande, I.A. and Olubomehin, O.O. (2008). Comparison of the chemical compositions of the essential oils from the aerial parts, fruits and roots of Nigerian Laportea aestuans (L.) Chew (Urticaceae). Natural Product Communications Vol.3, No.11: 1921-1924.
13. Oyewole, I.O., Ibidapo, C.A., Moronkola, D.O., Oduola, A.O., Adeoye, G.O., Anyasor, G.N. and Obansa, J.A. (2008). Anti-malarial and repellent activities ofTithonia diversifolia (Hemsl.) leaf extracts. Journal of Medicinal Plants Research Vol.2, No. 8: 171-175.
14. Moronkola, D.O., Ogunwande, I.A., Oyewole, I.O., Can Baser, K.H., Ozek, T. and Ozek, G. (2009). Essential oil composition of Gmelina arborea Roxb.,Verbenaceae, from Nigeria. Journal of Essential Oil Research Vol.21, 264-266.
15. Moronkola, D.O., Ogunwande, I.A., Oyewole, I.O., Can Baser, K.H., Ozek, T. and Ozek, G. (2009). The needle oil of Pinus caribaea Morelet from Nigeria. Journal of Essential Oil Research Vol.21, 342-344.
16. Moronkola, D.O., Ogunwande, I.A., Oyewole, I.O., Can Baser, K.H., Ozek, T. and Ozek, G. (2009). Studies on the volatile oils of Momordica charantia L. (Cucurbitaceae) and Phyllanthus amarus Schet Thonn. (Euphorbiaceae). Journal of Essential Oil Research Vol.21, 393-399.
17. Moronkola, D.O., Faruq, U.Z. and Osho, A. (2009). Essential oils of stem and leaf from Nigerian Brillantaisia patula T.And. var. Journal of Essential Oil Bearing Plants Vol.12, No.5: 569–573.
18. Moronkola, D.O., Atewolara-Odule, O.C. and Olubomehin, O.O. (2009). Compositions and comparison of the leaf and stem essential oils from Nigerian Hypoestes phyllostachya‘rosea’ p. Beau. [Acanthaceae]. African Journal of Pharmacy and Pharmacology Vol.3, No.9: 458-462.
19. Adesanwo, J.K., Aiyelaagbe, O.O. and Moronkola, D.O. (2009). Antimicrobial and cytotoxic activity of the stem and root bark extracts of Quassia undulata and isolated constituents. Toxicological and Environmental Chemistry Vol.91, No.5: 999-1003.
20. Moronkola, D.O., Oladosu, I.A., Osho, A, and Ali, M.S. (2009). Chemical Composition and Anti-inflammatory Activity of the Essential Oil of the Aerial Part of Mezoneuron benthamianum Baill. (Caesalpinoideae). European Journal of Applied Sciences Vol.1, No.3: 30-33.
21. Osho, A., Adetunji, T., Fayemi, S.O. and Moronkola, D.O. (2010). Antimicrobial activity of essential oils of Physalis angulata L. African Journal of Traditional and Complement Alternative Medicine Vol.7, No.4: 303-306.
22. Oyewole, I.O., Moronkola, D.O., Ogunwande, I.A., Okoh, H., Ibidapo, C.A., Denloye, A.A.B., Adeoye, G.O., Ogunnowo, A.A. (2010). Larvicidal activity of the essential oil from Phyllanthus amarus Sch. etThonn (Euphorbiaceae) against three species of mosquitoes. Der Pharmacia Letter Vol.2, No.6: 136-141.
23. Moronkola, D.O. (2011). Essential oils from aerial, seed and root of Nigerian Asystasia gangetica (L). Journal of Essential Oil Bearing Plants Vol.14, No.5: 582–589.
24. Moronkola, D.O., Ogukwe, C. and Awokoya, K.N. (2011). Chemical compositions of leaf and stem essential oils of Calotropis procera Ait R.Br [Asclepiadaceae]. Der Chemica Sinica Vol.2, No.2: 255-260.
25. Moronkola, D.O. and Kunle, O.F. (2012). Essential oil compositions of leaf, stem, bark and root of Alstonia boonei de wild (Apocyanaceae). International Journal of Biological and Pharmaceutical Research Vol.3, No.1: 51-60.
26. Oladosu, I.A., Moronkola, D.O., Osho, A. and Alli, M.S. (2012). Volatile oil constituents and anti-inflammatory potential of the essential oil of the leaves and roots of Flabellaria paniculata car (malpighiaceae). Elixir Pharmacy 50, 10272-10274.
27. Moronkola, D.O. and Faruq, U.Z. (2013). Chemical constituents of the leaf, Stem-bark and root essential oils of Antiaris africana. Journal of Applied Pharmaceutical Science Vol.3, No.6: 168–171.
28. Moronkola, D.O. and Oladosu, I.A. (2013). Chemical compositions of Lonchocarpus cyanescens Benth. (Fabaceae)- case study of its volatile oils, and two triterpenoids. American Journal of Plant Science Vol.4, 1653-1659.
29. Moronkola, D.O.; Adesanwo, J.K., Aiyelaagbe, O.O. and Faruq, U.Z. (2013). Essential Oil Composition of Three Compositae- Aspillia africana, Chromolaena odorata, Syndrella nodiflora and One Labiatae- Hyptis suaveolens Utilized as Rabbit Feeds. Journal of Science Research Vol.12, 327-344.
30. Moronkola, D.O. and Kunle, O.F. (2014). Constituents of leaf, stem bark and root volatile oils of Anogeissus leiocarpus DC. Guill. & Perr. (Combretaceae). International Journal of Biological and Chemical Science Vol.8, No.4: 1808-1818.
31. Moronkola, D.O., Olaoluwa, O.O. and Kunle, O.F. (2014). Chemical Constituents in the Essential Oils of Leaf, Stem-bark and Root of Morinda lucida Benth. Journal of Tropical Forest Resources Vol.30, No.2: 176-186.
32. Moronkola, D.O., Yeboah, S.O., Majinda, R.R.T. and Sichilongo, K. (2015). Compositions of Harungana madagascariensis Lam. ex Poiret leaf and stem essential oils. Journal of Chemical and Pharmaceutical Research Vol. 7, No.5: 959-964.
33. Moronkola D.O., Aboaba S.A. and Choudhary I.M. (2015). Composition of Volatile Oils from Leaf, Stem, Root, Fruit, and Flower of Ruellia tuberosa L. (Acanthaceae) from Nigeria. Journal of Medicinal Plants Research. Vol.8 No.4, 1031-1037.
34. Olaoluwa O.O., Moronkola, D.O., Sichilongo, K. and Mgbeoji O. (2016). Essential oils constituents, phytochemical analyses, and antimicrobial studies on leaf and stem of thunbergia laevis nees. World Journal of Pharmacy and Pharmaceutical Sciences. Vol.5, No.7: 224-237.
35. Akinpelu O.E., Moronkola, D.O., and Dawodu F.A. (2016). Antibacterial, antifungal and antioxidant activities of seven essential oils from Blighia sapida (K.Koenig). Journal of Chemical, Biological and Physical Sciences. Vol.6, No.4: 1179-1187.
36. Akinpelu O.E., Moronkola, D.O., Dawodu F.A. and Sichilongo K. (2016). Chemical compositions of seven essential oils from Blighia sapida (K. Koenig), (Sapindaceae). International Journal of Biological and Chemical Sciences. Vol. 10, No.5: 2351-2368.
37. Moronkola, D.O., Faruq, U.Z., Adigun, O.A. and Ajiboye C.O. (2017). Essential oil compositions of leaf, stem-bark, stem, root, flower, and fruit with seed of Blighia unijugata Baker (Sapindaceae). African Journal of Pharmacy and Pharmacology. Vol.11, No.7: 108-119.
38. Ajiboye C.O., Moronkola D.O. and Adesomoju A.A. (2017). DPPH free radical scavenging activities of leaf, stem bark, root, flower and fruit of Blighia unijugata Baker (Sapindaceae) extracts. Journal of Chemical, Biological and Physical Sciences. Vol.7, No.4: 1190-1197. [DOI: 0.24214/jcbps.B.7.4.119097].
39. Umenwa C.E., Ojah E.O., Moronkola D.O. and Adesanwo J.K. (2017). Phytochemical and Antioxidant Assessments of Three Fractions from Methanol Extract of Spathodea campanulata Beauv. Leaves. Journal of Complementary and Alternative Medical Research. Vol. 3, No.3: 1-10.
40. Mbachu K.A. and Moronkola D.O. (2017). Compositions of Thunbergia grandiflora Leaf and Root Essential Oils. Journal of Advances in Medical and Pharmaceutical Sciences. Vol.15, No.1: 1-8.
41. Moronkola D.O., Olaoluwa O.O. and Kunle O.F. (2017). Chemical Compositions of Dialium guineense Willd. Leaf, Stem-bark and Fruit Essential Oils. Journal of Complementary and Alternative Medical Research. Vol.3, No.4: 1-8, 2017; JOCAMR.35129 ISSN: 2456-6276.
42. Moronkola D.O., Olaoluwa O.O., Oladosu I.A., Aboaba S.A. and Aiyelaagbe O.O. (2018). Phytochemical and Antimicrobial Activities of Extracts from Six Medicinal Plants Utilized as Antimalarials in Ethno-Medicine. The Pharmaceutical and Chemical Journal, 5(2):52-61 ISSN: 2349-7092 CODEN(USA): PCJHBA. www.tpcj.org.
43. Moronkola, D. O., Yeboah, S. O., Majinda, R.R.T., Yeboah, E., Fru, C. G. and Osamudiamen, P. M. (2018). Antioxidant properties of the methanol extracts of leaf, stem, fruit and seed of Nigerian Harungana madagascariensis, an hypericaceae (gutiferae). European Journal of Pharmaceutical and Medical Research. Vol.5. No.9: 123-127.



Current profession

Current professional activities type: 
Research
Teaching
Member MRSC, Full member OWSD.

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