Advanced search

Authors whose works are in public domain in at least one jurisdiction

List of works by Joseph I. Okogun

1-35 of 35 results

21st Century natural product research and drug development and traditional medicines

scientific article published on April 1, 2013

CONSTITUENTS OF KIGELIA PINNATA

scientific article published on 30 November 2011

Extracts from the fruits of Piper guineense schum. and thonn

scientific article published on 23 April 2004

Antioxidant and drug detoxification potentials of Hibiscus sabdariffa anthocyanin extract

scientific article published on April 1, 2011

Acetaminophen perturbed redox homeostasis in Wistar rat liver: protective role of aqueous Pterocarpus osun leaf extract

scientific article published in January 2010

In vivo trypanocidal activity of Annona senegalensis Pers. leaf extract against Trypanosoma brucei brucei

scientific article published on 22 February 2007

Furoquinoline Alkaloids of Teclea ouabanguiensis

scientific article published on 17 March 2005

Antioxidant and drug detoxification potential of aqueous extract of Annona senegalensis leaves in carbon tetrachloride-induced hepatocellular damage

scientific article published on September 3, 2010

New amides from the extracts of Piper guineense

scientific article published on 25 July 2002

Hypoestoxide reduces neuroinflammation and α-synuclein accumulation in a mouse model of Parkinson's disease

scientific article

Tetranortriterpenoids and related compounds. Part 26. Tecleanin, a possible precursor of limonin, and other new tetranortriterpenoids from Teclea grandifolia Engl. (Rutaceae)

scientific article published on 26 April 2004

Isolation and identification of three new phenolic furoquinoline alkaloids from Teclea verdoorniana Exell & Mendonça (Rutaceae)

scientific article published on 26 April 2004

The Chemical Constituents of Musanga cecropioides

article by Chukwunonye M. Ojinnaka & Joseph I. Okogun published 11 March 2005 in Journal of Natural Products

Hypoestoxide, a natural nonmutagenic diterpenoid with antiangiogenic and antitumor activity: possible mechanisms of action.

scientific article

Hypoestoxide, a New Diterpene from Hypoestes rosea (Acanthaceae)

scientific article published on 2 March 2009

Tirucallane triterpenes from the leaf extract of Entandrophragma angolense

scientific article

Roseadione, a diterpene ketone from Hypoestes rosea

scientific article published on 25 July 2002

Triterpene acids from Myrianthus arboreus

scientific article published on 25 July 2002

Nkolbisine, a New Furoquinoline Alkaloid, and 7-Deacetylazadirone From Teclea verdoorniana

scientific article published on 17 March 2005

Behavioural effects in rodents of methyl angolensate: a triterpenoid isolated from Entandrophragma angolense

scientific article published in August 2002

Myrianthic acid: a triterpene acid from the rootwood of Myrianthus arboreus

scientific article published on 25 July 2002

Roseatoxide and Dihypoestoxide: Additional New Diterpenoids from Hypoestes rosea

scientific article published on 17 March 2005

GC-MS identification of abscisic acid and abscisic acid metabolites in seed of Vigna unguiculata

scientific article published on 25 July 2002

Plasmodium berghei: antiparasitic effects of orally administered hypoestoxide in mice

scientific article published on 10 May 2007

Effect of oral administration of aqueous whole extract of cassytha filiformis on haematograms and plasma biochemical parameters in rats

scientific article published on December 2007

Tecleaverdoornine: a new C-prenylated phenylated furoquinoline

scientific article published on 30 March 2004

X-Ray Crystal Structure Analysis of Deacetyldehydroeuphorianin: The Correct Structure of the Novel Pentacyclic Macrocyclic Diterpene, Euphorianin

scientific article published on 10 March 2015

The structure of euphorianin, an ingol diterpenoid from Euphorbia poisonii

scientific article published on 26 April 2004

Hypoestoxide inhibits tumor growth in the mouse CT26 colon tumor model

scientific article

Some Nigerian anti-tuberculosis ethnomedicines: a preliminary efficacy assessment

scientific article

ANTIFUNGAL PRINCIPLE FROM THE STEM BARK OF BERLINA GRANDIFLORA

scientific article published on 30 November 2011

Antiplasmodial Principles fromCassia nigricans.

scientific article published on 8 July 2007

New C33 aliphatic ketone from Cyclosorus straitus

scientific article published on 25 July 2002

Chemical constituents and antimycobacterial studies of the leaf extracts of Pavetta crassipes K. Schum

scholarly article published on 30 April 2018

Roseanolone: A New Diterpene from Hypoestes rosea

scholarly article