HOMEBREW Digest #5733 Thu 09 September 2010

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  Re State of Promash ("Grant Stott")
  Maple Syrup - Part II (stihlerunits)
  Maple Syrup (Matt Falenski)

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---------------------------------------------------------------------- Date: Thu, 9 Sep 2010 17:06:04 +1000 From: "Grant Stott" <gstott1 at ncable.net.au> Subject: Re State of Promash try 2 No affiliation to Promash etc. Ed Jones asked about the current state of promash. My 5c worth. Sure there have been no updates for ages but it does everything I need. I have gone from hydrometer to refractometer. From 23 liter (6 gal) to 50 liter (13 gal ?) batches. Updated p.c several times ( now windows 7 ) and Promash is still serving me well. Are there better brewing programs out there, Could well be, but I am = content to stick with it. Not sure if this is what the intent of your question was, or a different = angle. Regards, Grant, Geelong, Australia Return to table of contents
Date: Thu, 09 Sep 2010 08:56:52 -0700 From: <stihlerunits at mosquitobytes.com> Subject: Maple Syrup - Part II After I posted my question regarding the extract of maple syrup I got to thinking that it should really not be all that hard to calculate it based upon the information available. I was going to cancel my post but alas it was too late. I appreciate all the responses I got for my question. At any rate, I came up with a value of 32-33 gravity units per pound per gallon which is similar to what other folks have noted. I believe I calculated the values correctly but.... At any rate, I'd appreciate it if folks would check out what I have and see if my logic (or arithmetic) is off somewhere. By definition maple syrup contains 66-68% sugar. The 68% is an end member since I believe the sugar crystalizes into maple sugar that concentration. At any rate, using any number of online Brix/Specific Gravity converters you would find that 66% and 68% correspond to specific gravity values of 1.329 and 1.342 respectively. I'll just do the 66% one as an example: (1.000 ml/1.329 g) x (453.59 g/lb) = 341.30 ml/lb (341.30 ml/lb) X (1.00 fluid oz/29.57 ml) = 11.54 fluid oz/lb 34% or 3.92 fluid oz. of which is water. Now converting to weights: 66% of one pound (i.e. 16 oz.) of maple syrup is 10.56 oz by weight of sugar and the remaining 5.44 oz. by weight is water. When one adds one pound of maple syrup to one gallons (128 oz.) of water you end up with 128 oz. + 3.92 oz. = 131.92 fluid oz. of water and 10.56 oz. by weight of sugar. Therefore, the resultant sugar content is: 10.56 oz./131.92 fluid oz. = 0.0800 or 8.00% sugar. Once again using your trusty Brix converter you find this corresponds to a value of 1.032. Therefore, for 66% maple sugar the extract is 32 gravit units per pound per gallon. Doing the same calculations for 68% one finds that 11.40 fluid oz. of such maple syrup is one pound and the corresponding extract is 1.033 per pound per gallon. Therefore, the extract of maple syrup should be 32-33 gravity units per pound per gallon. Please let me know if I've gone amiss somewhere. Cheers, Scott Stihler Fairbanks, Alaska [2874, 324.9] Apparent Rennerian Return to table of contents
Date: Thu, 9 Sep 2010 08:59:21 -0700 (PDT) From: Matt Falenski <mfalenski at yahoo.com> Subject: Maple Syrup In reply to Scott Stihlers question about predicted extract of maple syrup... At a minimum, maple syrup has a 66% sugar content (66 Brix) but can have more. It's SG is roughly about 1.331. The darker the color, the stronger the flavor, too, so keep that in mind. I've never done a beer with maple syrup yet, but I have done a few maple wines, check these out if you're interested... http://letsmakemead.com/MeadBlog/?p=111 http://letsmakemead.com/MeadBlog/?p=24 Return to table of contents
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