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Old 01-04-2008, 03:09 PM   #21
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Quote:
Originally Posted by bloodorange
Here's my question: when a recipe calls for 5% white sugar, does it make a difference whether cane/beet sugar (sucrose) or corn sugar (dextrose/glucose) is used? Does cane sugar have any unique, desirable property at this low proportion? Cost is not a factor, I've got plenty of both...


thanks!
If you are talking refined white table sugar, either beet or cane will ferment out completely without leaving any real flavor outside of their influence on body/abv since they refined to a point where they don't have any impurities (which do not ferment and create a "flavor")...at that small a percentage, I would use any one of the three as basically interchangeable. YMMV.
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Old 01-04-2008, 03:31 PM   #22
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Originally Posted by Got Trub?
Brewers yeast has invertase - the enzyme needed to break sucrose down into its component (and fermentable) sugars. There is nothing to be gained by making or buying invert sugar.

Any of the darker sugars will add varying amounts of unfermentable sugars and flavour which may or may not be desirable in your beer.

The dreaded cidery flavour imparted by sugar only occurs if it makes up too large a portion of your fermentables. If it is less then 15-20% there shouldn't be any off flavour - it will however result in a noticeably drier beer...

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While I agree with the latter twoparagraphs, the first statement although true is not the point of why traditionally people use invert over non-invert. There seems to be a split perception on this in how the yeast spending time to break the bonds into glucose and fructose vs. doing this chemically beforehand and the effect of this on flavor and possibly other aspects (mainly head). I for one have never compared the two exactly, but I have successfully used both. I personally feel that they do indeed produce different results, although this is my own perception.
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Old 07-12-2010, 06:06 AM   #23
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I read this article a long while back, but I'm unwilling to reread and check if someone asked the very obvious question of where someone could acquire pure USP citric acid or if plain old lemon juice in the bottle would suffice? Sorry to be so lazy guys, but input is appreciated, especially for those of us rookies on the forums here.

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Old 07-12-2010, 01:15 PM   #24
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I got citric acid from my homebrew store.
You can substitute lemon juice.

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Old 07-12-2010, 01:32 PM   #25
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I can understand the advantage of using plain sucrose vs clear candi sugar is debatable but one can only get that burned sugar taste from amber/dark candi sugar.
My understanding of the chemical reaction of making candi sugar is that acid is required - not nescesarily citric acid. Can someone confirm ?

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Old 07-12-2010, 04:23 PM   #26
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Originally Posted by zoebisch01 View Post
While I agree with the latter twoparagraphs, the first statement although true is not the point of why traditionally people use invert over non-invert. There seems to be a split perception on this in how the yeast spending time to break the bonds into glucose and fructose vs. doing this chemically beforehand and the effect of this on flavor and possibly other aspects (mainly head). I for one have never compared the two exactly, but I have successfully used both. I personally feel that they do indeed produce different results, although this is my own perception.
I've never bothered to investigate or confirm it, but Graham Wheeler, one of the godfathers of homebrewing in the UK, has always insisted that using refined cane sugar as opposed to invert sugar leads to more pronounced and unpleasant hangovers. For example, he claims that Old Speckled Hen, which uses a good percentage of refined cane sugar in the recipe, gives him worse and longer-lasting hangovers than similar bitters made with invert sugars.
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Old 07-12-2010, 04:55 PM   #27
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The pH of wort boiling in the kettle is low enough that it inverts sugar when you add it to the kettle.

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Old 07-13-2010, 08:38 AM   #28
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Interesting. Problem is if you prefer to add sugar after a week of fermentation.

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Old 07-13-2010, 04:35 PM   #29
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Interesting. Problem is if you prefer to add sugar after a week of fermentation.
I seldom (maybe twice in 377 brews) do that. I usually add sugar for Belgian styles and prefer to add it to the kettle as the Belgians do. And even if you add it to the fermenter, there's no issue with using sugar that isn't inverted.
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Old 07-13-2010, 05:28 PM   #30
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I seldom (maybe twice in 377 brews) do that. I usually add sugar for Belgian styles and prefer to add it to the kettle as the Belgians do. And even if you add it to the fermenter, there's no issue with using sugar that isn't inverted.
Sorta. Inverted sugar is generally not flavor neutral like table sugar so you might want to flavor. IMO, clear candi syrup, cane sugar, invert sugar #1, and Lyle's Golden Syrup would all produce a different product (in a suitably subtle beer like a triple or a bitter, if I were adding a clear/white sugar to a strong dark I doubt it makes a difference).

That said people frequently claim to want no flavor contribution from the sugar, just the attenuation, so in that case I agree 100%. Cheapest white sugar you can buy in the kettle.
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