[NatureNS] Buckthorn

Date: Thu, 13 Sep 2007 23:59:37 -0300
From: David & Alison Webster <dwebster@glinx.com>
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Dear All,            Sept 13, 2007
    I cut a Common Buckthorn (Rhamnus frangula) on Aug 22 & noticed that 
the bark still peeled off readily and was bright yellow inside.

    When simmered for an hour or so,  bark chunks released a yellow dye 
that stained some cheesecloth bright yellow and this color is still 
present after two washings (no soap).

    The dye solution, after sitting in a glass container over several 
weeks became progressively darker and now stains cheesecloth brown with 
a hint of red.

    I wonder if this bark was used as a natural dye ?

Yt, DW, Kentville

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