L-cysteine

[Char]

My Son has an egg sensitivity. Does anyone know if someone who has an egg allergy, if they should stay away from L-cysteine because it contains sulfur? I'm confused.. Should I let my son have this? L-cysteine Hydrochloride is in my bread flour and I want to make home aide buns??

[Theta]

My Son has an egg sensitivity. Does anyone know if someone who has an egg allergy, if they should stay away from L-cysteine because it contains sulfur? I'm confused.. Should I let my son have this? L-cysteine Hydrochloride is in my bread flour and I want to make home aide buns??

 

L-cysteine is non-essential amino acid in the sense your body can usually make what it needs from other amino acids. But a person needs L-cysteine one way or another and L-cysteine should not be considered toxic. I have noticed L-cysteine is a common bread dough conditioner. Know nothing about egg sensitivity but I assume its due to proteins not single amino-acids.

 

http://en.wikipedia.org/wiki/Cysteine#Applications

 

L-cysteine is also used as a processing aid for baking. Small quantities (in the tens of ppm range) help to soften the dough and thus reduce processing time.

 

Likely very little L-cysteine in the flour anyway.