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Microbiological exploitation of cardiac glycosides and alkaloids from Garcinia kola, Borreria ocymoides, Kola nitida and Citrus aurantifolia
Author(s) -
Ebana R.U.B.,
Madunagu B.E.,
Ekpe E.D.,
Otung I.N.
Publication year - 1991
Publication title -
journal of applied bacteriology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.889
H-Index - 156
eISSN - 1365-2672
pISSN - 0021-8847
DOI - 10.1111/j.1365-2672.1991.tb03807.x
Subject(s) - phytochemical , glycoside , traditional medicine , anthraquinones , bark (sound) , garcinia kola , chemistry , botany , terpenoid , biology , medicine , ecology
R.U.B. EBANA, B.E. MADUNAGU, E.D. EKPE AND I.N. OTUNG. 1991. The four medicinal plants, Garcinia kola (roots), Borreria ocymoides (leaves), Kola nitida (bark) and Citrus aurantifolia (roots) were screened for phytochemical components. They were found to contain tannins, phlobatannins, polyphenols, pydroxymethyl anthraquinones, glucides, saponins, alkaloids, cardiac glycosides, flavanoids and reducing compounds. The aqueous and alcoholic extracts as well as alkaloids and cardiac glycosides of the medicinal plants were tested on various pathogenic bacteria. They were found to inhibit such organisms as Staphylococcus aureus, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas aeruginosa , β‐haemolytic streptococci, Escherichia coli and Neisseria gonorrhoeae. The usefulness of the phytochemical bases of these plants as potential sources of pharmaceutical drug preparation is discussed.