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'Catechin' in keywords Facet   Publication Year 1994  [X]
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1Author    ChristineM. Richter, Aloysius WildRequires cookie*
 Title    Phenolic Compounds in Needles of Norway Spruce Trees in Relation to Novel Forest Decline. II. Studies on Trees from Two Sites in Middle Western Germany  
 Abstract    The content of several phenolic compounds in needles of 20-to 30-year-old Norway spruce trees (Picea abies) was measured using HPLC. The results of two forestry sites in middle western Germany are reported in this paper. They are part of a research programme on novel forest decline which was carried out in various regions of Germany. Distinct amounts of picein, catechin, piceatannol glucoside, and other phenolic compounds were detected in the studied spruce needles. Additionally, their contents changed in relation to damage. Some compounds, especially catechin, showed increased levels in the needles of the damaged trees compared to the undamaged ones. Here, the values for the undamaged trees of the different sites were similar. Concerning the changes in picein contents, however, there was a great difference between the sites. p-Hydroxyacetophenone was detected in very low amounts only and did not correlate with damage. These results are compared with earlier findings from another site that shows severe dam­ age. The role of phenolic compounds as indicators of tree damage is discussed. 
  Reference    Z. Naturforsch. 49c, 619—627 (1994); received January 31/June 16 1994 
  Published    1994 
  Keywords    Phenolic Compounds, Picea abies, Novel Forest Decline, Picein, Catechin 
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 TEI-XML for    default:Reihe_C/49/ZNC-1994-49c-0619.pdf 
 Identifier    ZNC-1994-49c-0619 
 Volume    49