SC - Sap Green: Was: Recipe from Murrell

[Elise Fleming]

Greetings.  Cindy questioned what was sap green.  (I thought I had sent 
that info in the article we are doing???)  Daniel Thompson in his book 
on (Methods and Materials of Painting???) gives sap green as a pigment 
made from buckthorn berries.  It was used as a food colorant, 
especially in confections, through at least the early 1800s when it is 
mentioned as a coloring agent in A Treatise on Adulterations of Food by 
F. Accum, 1820.  I can't locate Thompson's book but Accum says " Now 
sap-green itself, as prepared from the juice of the buckthorn berries, 
is no doubt a harmless substance, but the manufacturers of this colour 
have for many years past produced various tints, some extremely bright, 
which there can be no doubt are effected by addin preparations of 
copper."

Fascinating treatise - one of the Mallinckrodt reprints for which I 
joyously relate that I got for a mere $10 per book at a used book store 
in Minneapolis.  I was about to leave the store with other treasures 
when I spied these on the top shelf.  Got all but the Platina reprint.  
I still chuckle in glee at the thought of only $10 for each book.  I've 
seen them for $100 in used book lists!

Alys Katharine... They're mine!  All mine! :-)
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