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Isolation, purification, structural elucidation and antimicrobial activities of kocumarin, a novel antibiotic isolated from actinobacterium Kocuria marina CMG S2 associated with the brown seaweed…
Pyrrolizidine alkaloids from Senecio lorenthii.
Macrophylloside, a flavone glucoside from Primula macrophylla
Two new antioxidant bergenin derivatives from the stem of Rivea hypocrateriformis.
Screening of marine bacteria of Pakistan coast for drug discovery potential
Isolation of 3,3'-dihydroxychalcone from Primula macrophylla
A new dihydroxy chalcone has been isolated from the EtOAc-soluble portion of the whole plant of Primula macrophylla, and its structure was determined by spectroscopic methods, including 2D nmr, as…
New natural products from terrestrial medicinal plants and marine algae
Laceioside, a new cycloartane saponin from Astragalus tephrosioides Boiss. var. lacei (Ali) Kirchoff.
The structure elucidation of compound 1 was based primarily on 1D and 2D-NMR techniques including 1H and 13CNMR spectra, DEPT and by 2D COSY, HSQC and HMBC experiments.
A New Triterpenoid Saponin from the Stem Bark of Pometia pinnata
- F. V. Mohammad, V. Ahmad, M. Noorwala, N. Lajis
- ChemistryNatural product communications
- 1 February 2010
Phytochemical investigation of the stem bark of Pometia pinnata resulted in the isolation of a new triterpenoidal saponin, establishing the structure of the new compound as 3-O-[β-D-glucopyranosyl-(1→2)-β- D-gl Lucanolic acid]-oleanolic acid based on 1D and 2D-NMR analysis.
The isolation, purification and biological activity of a novel antibacterial compound produced by Pseudomonas stutzeri.
- B. Uzair, N. Ahmed, V. Ahmad, F. V. Mohammad, D. H. Edwards
- Biology, ChemistryFEMS microbiology letters
- 1 February 2008
It could be demonstrated that a purified solution of zafrin was active against several human pathogens, including Staphylococcus aureus, and Salmonella typhi, and did not inhibit the growth of eukaryotic organisms Candida albicans and Schizosaccharomyces pombe.