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'Antimicrobial Activities' in keywords Facet   Publication Year 1999  [X]
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1Author    J. Garcia Rowe3, M. D. Garcia Gimenezb, M. T. Saenz RodriguezbRequires cookie*
 Title    Some Lichen Products Have Antimicrobial Activity  
 Abstract    Antimicrobial activity in some lichens from south Spain has been studied. Some lichenical substances are also identified. The structures of all compounds were elucidated by physical, spectral and chemical methods. A very high activity against Gram-positive bacteria has been observed in lichens containing usnic acid. 
  Reference    Z. Naturforsch. 54c, 605—6 (1999); received February 8/April 16 1999 
  Published    1999 
  Keywords    Lichens, Antimicrobial Activity, Lichen Products 
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 TEI-XML for    default:Reihe_C/54/ZNC-1999-54c-0605_n.pdf 
 Identifier    ZNC-1999-54c-0605_n 
 Volume    54 
2Author    Susanne Valcic3, Gloria Montenegro15, Ana-Maria Mujicab, Guacolda Avilab, Scott Franzblauc, MayaP. Singhd, WilliamM. Maiesed, BarbaraN. Timmermann3Requires cookie*
 Title    Phytochemical, Morphological, and Biological Investigations of Propolis from Central Chile  
 Abstract    Propolis from Central Chile was investigated for its plant origin by microscopical analysis of pollen grains and leaf fragments found in the sample. The pollen grains that appear with significant higher frequency in the sample corresponded to four native and two introduced species, whereas leaf fragments corresponded to four native species. Seventeen phenolic com­ pounds that belong to the phenylpropane, benzaldehyde, dihydrobenzofuran, or benzopyran classes, were isolated from an organic extract that was found to have a moderate growth inhibitory activity against M ycobacterium avium , M. tuberculosis, and two strains of S taphylo­ coccus aureus. The components responsible for activity were determined. 
  Reference    Z. Naturforsch. 54c, 406 (1999); received October 29 1998/February 15 1999 
  Published    1999 
  Keywords    Propolis, Central Chile, Microscopical Analysis, Isolation, Phenylpropanes, Dihydrobenzofurans, Benzopyrans, Antimicrobial Activity 
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 TEI-XML for    default:Reihe_C/54/ZNC-1999-54c-0406.pdf 
 Identifier    ZNC-1999-54c-0406 
 Volume    54