this is kind of the opposite of what I'd expect.

if the berries are acting like litmus (as I know many flowers do), they would tend towards redder if made acid and bluer if made alkali... so verjuice would tend to make them redder...but you left it out...so obviously this is unhelpful and it's some other effect entirely.

I do know that the subjective dividing lines between red/purple/blue appear to have changed since SCA period, so it could be that, too...


Margaret/Emma
Krae Glas, Lochac/Melbourne, Australia



> Karin Burgess <avrealtor@prodigy.net> wrote:
> 
> I was lookiing around and came across this:
>   Take some of the wild blackberries that grow in hedgerows and some 
> thoroughly pounded almonds, with a little ginger. And moisten these 
> things with verjuice and strain through a sieve. 
> 
>   So I had some frozen blackberries around and tried this.  No blue, 
> only a dark purple/red. Has anyone tried this particular sauce?  Would 
> using fresh yield different results? I did leave out the verjus, could 
> that have altered the chemical balance?
>    
>   It is from here: 
> http://www.coquinaria.nl/english/recipes/4histrecept.htm
>    
>   the author of the site also didn't get the blue.
>    
>    
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