Tabouensinium chloride, a novel quaternary pyranoquinoline alkaloid fromAraliopsis tabouensis

Autor: Maurice M. Iwu, Brian M. Schuster, Christopher C. Okunji, Joseph D. Connolly, Hippolyte K. Wabo, Pierre Tane

Publikováno v: Natural Product Research. 19:591-595

A novel pyranoquinoline alkaloid 3,4-dihydro-3-hydroxy-5-methoxy-2,2,10-trimethylpyrano [2,3-b]quinoline named tabouensinium chloride (1), was isolated from the stem bark of Araliopsis tabouensis along with twelve known quinoline alkaloids. In additi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a408f335d7375eb6ebe63b34f906fa20
https://doi.org/10.1080/14786410412331280078

Antiplasmodial agents from the leaves of Glossocalyx brevipes

Autor: Maurice M. Iwu, Bonaventure T. Ngadjui, Christopher C. Okunji, James A. Mbah, Joseph D. Connolly, Pierre Tane, Brian M. Schuster

Publikováno v: Planta medica. 70(5)

A phytochemical study of the methylene chloride/methanol (1/1) extract of the leaves of Glossocalyx brevipes Benth. (Monimiaceae) afforded three new derivatives of homogentisic acid, methyl 2-(1'beta-geranyl-5'beta-hydroxy-2'-oxocyclohex-3'-enyl)acet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70f521b23fd7672857fbd61dea52dab5
https://pubmed.ncbi.nlm.nih.gov/15124089

Profiling hydroxycinnamic acid glycosides, iridoid glycosides, and phenylethanoid glycosides in baobab fruit pulp (Adansonia digitata).

Autor: Li XN; Food Composition and Methods Development Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD 20705, USA; College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, PR China., Sun J; Food Composition and Methods Development Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD 20705, USA., Shi H; Food Composition and Methods Development Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD 20705, USA; Institute of Food and Nutraceutical Science, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, PR China., Yu LL; College of Agriculture and Natural Resources, University of Maryland, College Park, MD 20742-5551, USA., Ridge CD; Office of Regulatory Science, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, MD 20740, USA., Mazzola EP; Office of Regulatory Science, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, MD 20740, USA., Okunji C; Food, Dietary Supplements and Herbal Medicines, U.S. Pharmacopeial Convention, Rockville, MD 20852, USA., Iwu MM; Bioresources Development Group, Utako, Abuja, FCT, Nigeria., Michel TK; International Centre for Ethnomedicine and Drug Development, Nsukka, Enugu, Nigeria., Chen P; Food Composition and Methods Development Laboratory, Beltsville Human Nutrition Research Center, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, MD 20705, USA. Electronic address: pei.chen@ars.usda.gov.

Publikováno v: Food research international (Ottawa, Ont.) [Food Res Int] 2017 Sep; Vol. 99 (Pt 1), pp. 755-761. Date of Electronic Publication: 2017 Jun 19.

Preparative isolation and identification of tyrosinase inhibitors from the seeds of Garcinia kola by high-speed counter-current chromatography.

Autor: Okunji C; Biotech Center, Cook College, Rutgers University, 59 Dudley Road, New Brunswick, NJ 08901-8520, USA., Komarnytsky S, Fear G, Poulev A, Ribnicky DM, Awachie PI, Ito Y, Raskin I

Publikováno v: Journal of chromatography. A [J Chromatogr A] 2007 Jun 01; Vol. 1151 (1-2), pp. 45-50. Date of Electronic Publication: 2007 Mar 01.