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Asked on 16.02.2021.
Lactic acid use in laminated biscuits


Any advantages in using lactic acid instead of the common acid salts? Could this impact on rancidity more than these salts? SAPP and MCP are cheaper than lactic acid here. 

Thanks in advance,


Answered on 17.02.2021.

Hi Jose,

Lactic acid is naturally produced in long fermentation processes such as sour doughs and has a pleasant "cheesy taste". So for this reason lactic acid solution is sometimes added to crackers as a flavour enhancer. It is more reactive than SAPP which is only used as an acidulant (not for flavour) so when using lactic acid the raising agent level may need to be rebalanced.

I hope this helps 

Andrew Hughes

Answered on 17.02.2021.

Hi Jose,

I don’t know if it would cause this problem maybe someone who has expertise in fats would know

Answered on 18.02.2021.

Hi José,

It may depend on the phase of the process you are adding the lactic acid and the fat or milk powder...

Try to avoid contact between them,  adding lactic acid in the dough phase, together with the flour?

Answered on 17.02.2021.

Thanks Andrew

Any possibilities that this acid could lead to a hydrolitic rancidity reaction in biscuits?  I mean, more than commonm acid salts.


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