forum: Food & Drink

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#1 Tue 20 Feb 07 4:51am

Big English

Member
Occupation Telecommunications Engineer
From Vancouver, Canada
Member since Fri 29 Dec 06

Garlic turning blue

My friend, Keilah, asked me I'd ever seen garlic turn "day glow blue" while cooking it. I can't say I have, but was wondering if anyone here has?

Any idea what may cause the garlic to turn birght blue?

Would it the the oil or temperature its cooked it? Apparantly its happened a couple of times, either while cooking in a wok or boiling while making a stew.

Ideas?

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#2 Tue 20 Feb 07 6:10am

The White Rabbit

Forum super champ
From Sydney, Australia
Member since Tue 22 Jun 04

Re: Garlic turning blue

It's a chemical reaction. I've not seen it personally.
http://thegarlicstore.com/index.cgi/faq.html

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#3 Tue 20 Feb 07 10:23am

SusanneH

Forum champ
From Germany
Member since Mon 13 Mar 06

Re: Garlic turning blue

Interesting! I had never heard of that. I just knew that trout can turn blue (it's a on many menus in Germany - it's usually a poached rainbow trout. The acid makes the slippery stuff on the surface of the fish turn blue)
Thanks for bringing it up, Big English.

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#4 Tue 20 Feb 07 10:40am

Ashen

Forum champ
Occupation Why is the Rum always gone???!
From out to lunch
Member since Sat 07 Jan 06

Re: Garlic turning blue

i have seen it turn a green/blue colour a couple of times.. if you add lemon juice to fresh minced garlic and leave it for awhile it will sometimes this. A friend of mine had alot of garlic and thought they would make up a whole jar of minced garlic to save some prep. time thoughout the week.. When we visited them she brought out this jar of green minced garlic to ask me what the hell had happened lol. She had added some lemon juice to keep the minced garlic from going brown , instead it went green  mrgreen

Last edited by Ashen (Tue 20 Feb 07 10:41am)


Only a fool argues with a skunk, a mule or a cook.  { cowboy saying}
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#5 Tue 20 Feb 07 1:20pm

SusanneH

Forum champ
From Germany
Member since Mon 13 Mar 06

Re: Garlic turning blue

lol

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#6 Tue 20 Feb 07 1:41pm

itsdanny

Member
Occupation Web Gimp
From W Yorks
Member since Mon 14 Aug 06

Re: Garlic turning blue

Yeah, just mince a clove and squeeze in a bit of lemon, leave it a few mins and bingo, Green/Blue garlic. thumbsup

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#7 Tue 20 Feb 07 10:57pm

sweetie-pie

Member
From England
Member since Sun 01 Jan 06

Re: Garlic turning blue

Yes - this has happened to me when trying to make sweet chilli sauce which involved cooking garlic in vingear and the garlic turned bright blue!!

I think it is something to do with the sulphuric compounds in the garlic interacting with copper in the vinegar to produce copper sulphate. Apparently its harmless, but I didn't eat it - it looked quite off putting!

SP

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#8 Tue 20 Feb 07 10:59pm

ellboy

Member
From ell's kitchen
Member since Mon 11 Apr 05

Re: Garlic turning blue

the air has turned blue in my kitchen a few times, never the garlic tho.

el.

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#9 Wed 21 Feb 07 12:05am

SusanneH

Forum champ
From Germany
Member since Mon 13 Mar 06

Re: Garlic turning blue

lol

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#10 Sun 04 Mar 07 12:27am

Big English

Member
Occupation Telecommunications Engineer
From Vancouver, Canada
Member since Fri 29 Dec 06

Re: Garlic turning blue

As ever, I thank you for you informative and witty responses.

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