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Calculating cocoa solids

chocolate R&D lab trial

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#1 Dr Vu

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Posted 13 November 2014 - 01:14 PM

Hi team

 just trying to  "macgyver' a dark chocolate product with 80% cocoa solids

 

 my base chocolate has 30%  solids and I would like to make up the rest with cocoa powder . is it safe to assume each % of cocoa powder added to the formulation contributes 1 % of cocoa solids?

 

would anyone share how they would calculate the amount of cocoa solids  in a choc product


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#2 Mr. Incognito

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Posted 13 November 2014 - 01:17 PM

Personally I don't know but is that something a brix test would be able to show you?  We used to use brix testing to determine undissolved solids in pasta sauce.


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#3 CMHeywood

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Posted 20 November 2014 - 10:07 PM

NO.  Adding 1 part cocoa solids needs to be divided by the total.  1 part solids/1 part solids does not have any meaning.

Chocolate:  0.3 parts (30%) solids and 0.7 (70%) parts other.

Example - add 0.5 parts solids:  now 0.8 parts solids (0.3 + 0.5) plus 0.7 parts other = total 1.5 parts (0.3 + 0.7 + 0.5 = 1.0 choc + 0.5 solids = 0.8 solids + 0.7 other = almost 50/50 ).

0.8 parts solids/1.5 parts total = 53% solids.

Chocolate:  70% other as base - needs to be changed to 20% new mix.  70/20 = 3.5 parts total needed.

You already have 1 part chocolate:  3.5 parts total - 1 part chocolate = 2.5 parts of solids added.

0.3 parts solids (from chocolate) + 2.5 parts solids added = 2.8 parts solids     3.5 parts total (solids and other)

2.8 total solids/3.5 total mix = 0.8 = 80% solids


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#4 Ratchet

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Posted 21 November 2014 - 04:05 PM

I would use the Pearson's Square, explained in this link - http://www.ext.colos...estk/01618.html

I used this method for years, not knowing how or where I stumbled upon it. Check it out, it should work.

Or this - http://www.dairyscie...ors/pearson.asp Either will work if I have understood your problem correctly.


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#5 RG3

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Posted 21 November 2014 - 07:03 PM

NO.  Adding 1 part cocoa solids needs to be divided by the total.  1 part solids/1 part solids does not have any meaning.

Chocolate:  0.3 parts (30%) solids and 0.7 (70%) parts other.

Example - add 0.5 parts solids:  now 0.8 parts solids (0.3 + 0.5) plus 0.7 parts other = total 1.5 parts (0.3 + 0.7 + 0.5 = 1.0 choc + 0.5 solids = 0.8 solids + 0.7 other = almost 50/50 ).

0.8 parts solids/1.5 parts total = 53% solids.

Chocolate:  70% other as base - needs to be changed to 20% new mix.  70/20 = 3.5 parts total needed.

You already have 1 part chocolate:  3.5 parts total - 1 part chocolate = 2.5 parts of solids added.

0.3 parts solids (from chocolate) + 2.5 parts solids added = 2.8 parts solids     3.5 parts total (solids and other)

2.8 total solids/3.5 total mix = 0.8 = 80% solids

CMHeywood you forgot to carry the 2.


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#6 Snookie

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Posted 21 November 2014 - 07:14 PM

CMHeywood you forgot to carry the 2.

 

Where?


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