Here's where the chemistry stumps me

rwhinton

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Sep 21, 2013
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I weigh out 40 grams of beans on my wife's digital scale for our morning coffee.
If it takes three scoops of bean A to make 40 grams and it takes almost four of the same scoops of brand B to weigh 40 grams, will brand B be stronger because there are more beans?
My head is spinning.
Thanks, all.
 

eldub

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Mar 28, 2012
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There is the same amount (by weight) in both examples. That is why you are weighing them and not going by scoop size. The darker the roast, the lighter the beans weigh.
 

CoffeeJunky

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Dec 7, 2012
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few weeks ago we weigh different green beans and it ended up being eye opening experience for me.
There are huge difference on coffee bean weight by the type of beans.
I am sure that also translates similar result in roasted beans.
 

cAPSLOCK

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Sep 22, 2013
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It really boils down (tee hee) to water content. This is often why some green beans weigh more, and this is definitely why roasted beans are different weights. The longer you roast, the less water in the bean, the lighter it is. You also notice roasted beans are kinda like popcorn (well not THAT much) in that as you roast them they expand to take up more volume. A pound of green beans is much less volume than those same beans after being roasted.
 
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