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Discussions > Espresso > General > tiny bubbles  
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harrymanback
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harrymanback
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Posted Tue Jul 16, 2013, 5:06pm
Subject: tiny bubbles
 

would you consider espresso to be a carbonated beverage?

 
"i should pull up the hardwood to see if there's carpet underneath! . . . no, that's never the case."
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qualin
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Posted Wed Jul 17, 2013, 1:25am
Subject: Re: tiny bubbles
 

What carbonation means to me is injecting about 4 bar of carbon dioxide into a cold liquid to make it bubble.
(This is why the plastic on pop bottles is so thick.) (I do my own carbonation at home sometimes.)

So, since the coffee doesn't really bubble and won't foam up if you shake it, I'd say no.

Now, I would say that the crema itself is carbonated, but not to the degree that a soft drink is, since it
dissipates rather quickly. Consider how long it takes crema to go away as opposed to a soft drink going flat.
There's absolutely no comparison.

 
Garbage In, Garbage Out, for every step of the process. From Beans to grinder, grounds to machine, coffee to cup.
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calblacksmith
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calblacksmith
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Posted Wed Jul 17, 2013, 4:43am
Subject: Re: tiny bubbles
 

harrymanback Said:

would you consider espresso to be a carbonated beverage?

Posted July 16, 2013 link

no.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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NobbyR
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Posted Wed Jul 17, 2013, 5:27am
Subject: Re: tiny bubbles
 

harrymanback Said:

would you consider espresso to be a carbonated beverage?

Posted July 16, 2013 link

To me carbonated means sparkeling, so the answer is no.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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johnboddie
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Posted Wed Jul 17, 2013, 6:10am
Subject: Re: tiny bubbles
 

The crema is a foam and is neither aereated nor carbonated. Think of it as a miniature, good-tasting bubble bath.

JB
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harrymanback
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harrymanback
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Posted Wed Jul 17, 2013, 10:51am
Subject: re: tiny bubbles
 

harrymanback Said:

would you consider espresso to be a carbonated beverage?

Posted July 16, 2013 link

honestly, i wasn't really sure what i was asking specifically; i wanted to hear the responses to see what you all thought.

champagne, beer, naturally carbonated sodas -- all have a yeast used during processing that creates a foam or sparkling effect, right? Super market sodas have pressurized CO2 injected before bottling, creating a larger-bubbled carbonated beverage?

espresso clearly fits neither category, but since the shot is mostly crema when pulled, then settles or "Guinnesses" to a small crema head (and those are CO2 bubbles suspended in coffee oils, right?) -- could we still consider this as carbonated? Do the tiny bubbles remaining or acid remaining formed from that brief process contributed dramtically to taste / mouth feel? Or is this taste / mouth feel still largely driven by oils / other "coffee" elements?

harry.

 
"i should pull up the hardwood to see if there's carpet underneath! . . . no, that's never the case."
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NobbyR
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Posted Wed Jul 17, 2013, 11:40pm
Subject: Re: tiny bubbles
 

Crema is actually an emulsion of water/coffee and coffee oils that forms tiny bubbles around carbon dioxide released during extraction. Still, my answer remains no, espresso is by no means a carbonated drink.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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Flori
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Posted Fri Jul 19, 2013, 2:49am
Subject: Re: tiny bubbles
 

for me, coffee is not a carbonated drink. the process of producing the bubble is not the same with the usual carbonated drinks.

flori
blogger, coffeeloversofworld.com
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JetSpeed
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Posted Fri Jul 19, 2013, 3:52am
Subject: Re: tiny bubbles
 

I would say no.  Although adding sparkling water to espresso is interesting for sure if you haven't tried it.
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CaffeinatedKay
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Joined: 20 Jul 2013
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Location: houston
Expertise: Pro Barista

Posted Sat Jul 20, 2013, 10:20pm
Subject: Re: tiny bubbles
 

I have yet to find an Italian soda with espresso that tastes even a little good, so I'd say nope :)
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