Chemistry behind colour changes - Caramelization

6 important questions on Chemistry behind colour changes - Caramelization

What is the similarity and difference of the oxidation reaction to the dehydration reaction?


The similarity to the dehydration is is that highly reactive dicarbonlys are formed.
The difference to the dehydration reaction is that no water is dehydrated.

What is the most reactive compound of the caramel reaction?

Dicarbonyl!
They are also very reactive if they are formed by te mallard and enzymatic reactions

What is the fission reaction in caramel?

The dicarbonlyl is split into two compounds. There is a big diversity of molecules that you can make out of this.
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What is the aldo condensation reaction of caramel?

Two product of the fission reaction form a small molecule again. Because there are so many compounds that can formed one you get many different products!

What it the typical carmal aroma compound?

The last compound

When do you get more aroma compound and when more colour compounds in the caramelization reaction?

neutral pH aroma compounds
Exteam pH high or low color compounds

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