Blackberry juice in hot process

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Ugeauxgirl

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I was bottling a batch of blackberry vodka yesterday and of course my hands ended up stained purple. I know most botanicals turn brown in cold process, but has anyone tried coloring soap with blackberries in hot process?
 

KimW

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I decided last fall that I'd try this out this fall after harvesting/foraging our blackberries. This, because last year I washed my berry bowls with some soaping dishes, including my lye solution container. I'd put some water in the lye container and had it in the sink. I noticed some berry juice that fell into the lye container turned the prettiest shade of blue. I sealed it and set it aside, and 30 minutes later it was still that same blue (I couldn't let it sit longer because by then it was dinner time!). I have no idea if it will really turn out blue in soap, but this year some blackberries will be sacrificed in the name of soap-science!
 

Ugeauxgirl

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I was actually planning on boiling some down and using concentrated juice to color it after the cook, but I might try some in the lye water as well.
 

Arimara

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I decided last fall that I'd try this out this fall after harvesting/foraging our blackberries. This, because last year I washed my berry bowls with some soaping dishes, including my lye solution container. I'd put some water in the lye container and had it in the sink. I noticed some berry juice that fell into the lye container turned the prettiest shade of blue. I sealed it and set it aside, and 30 minutes later it was still that same blue (I couldn't let it sit longer because by then it was dinner time!). I have no idea if it will really turn out blue in soap, but this year some blackberries will be sacrificed in the name of soap-science!
Maybe the juice was reacting to trace amounts of a basic solution? That's how it seems.
 

KimW

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Maybe the juice was reacting to trace amounts of a basic solution? That's how it seems.
Yes - that's exactly what I was wondering! Our berry harvest was so sparse last year that I didn't dare use any of that precious elixir in soap! lol
 
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