birch tar oil

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birch tar oil

(berch tar oyl),
Pyroligneous oil obtained by the dry distillation of the wood of Betula alba and rectified by steam distillation; used externally in the treatment of skin diseases.
Synonym(s): birch tar
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Birch tar is a substance derived from the dry distillation of the wood of the birch (Betula spp.
Our aim was, therefore, to test the effectiveness of birch tar, a new innovation as repellent, under controlled experiments in young Scots pine stands frequently browsed by moose.
For those that have a lovely Silver Birch in the garden, the uses seem to be endless from a beer made using the springtime sap to a cure for psoriasis made from birch tar oil.
GARDEN SECRETS: the flowers and young foliage of common daisies, Bellis Perenni, can be used in salads and might help to cure coughs and mucus, while uses of Silver Birch (below) seem to endless, from a beer made using the springtime sap to a cure for psoriasis made from birch tar oil
Birch-bark tar was characterized in nearly all cases, although mixtures of birch tar with other plant products were also identified.