HC Deb 26 February 1947 vol 433 c280W
Mr. Vane

asked the Minister of Food whether he has investigated the possibility of obtaining sugar from the sap of the silver birch tree; and with what result.

Dr. Summerskill

I am advised that the extraction of sugar from the silver birch would be an uneconomic proposition, because the sugar content of the sap is very small indeed, less than one per cent.

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