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Betula lutea

Patterns of polyphenol accumulation In leaves vary among the few temperate forest species which have been studied. Feeny s (42) classic study on oak leaves (Quercus robur) shows leaf tannin levels rising slowly until August, and then Increasing sharply. In the cases of sugar maple (Acer saccharum) and yellow birch (Betula lutea) (44), respectively. [Pg.31]

Betula lutea Michx. F. (Yellow Birch) Sapwood 55 67 37 58 146 215 1047... [Pg.281]

Betula lutea Direct extraction with alkali 18 192... [Pg.282]

Birch (Betula verrucosa Ehrh., Betula lutea,Betula papirifera) 45 8 19-23 12-21 20-22 43 6... [Pg.259]

A colourless compound, betulachrysoquinone hemiketal (413), which must be related biogenetically to the sarcodontic acids, has been isolated from wood of Betula lutea inoculated with Phanerochaete chry-... [Pg.183]

See other pages where Betula lutea is mentioned: [Pg.323]    [Pg.71]    [Pg.570]    [Pg.253]    [Pg.296]    [Pg.315]    [Pg.20]    [Pg.71]    [Pg.282]    [Pg.323]    [Pg.71]    [Pg.570]    [Pg.253]    [Pg.296]    [Pg.315]    [Pg.20]    [Pg.71]    [Pg.282]    [Pg.5829]   
See also in sourсe #XX -- [ Pg.183 ]



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