Quote:
Originally Posted by SitsAtDesk
By the way, I've used Splenda for five years and never noticed it sizzle. But even if it did, so what? If it's not breaking down in the food or in your body, what harm would any sizzling do? It's not an indication of any mysterious chemical reaction that you have to fear.
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What I didn't notice anyone mentioning so far is that there are two kinds of Splenda, and they are different. Splenda comes in packets, where one packet is one serving and is actually a fairly small amount of the powder, and it comes as a bulked-up bulk product which is made so that one teaspoon is intended to be equivalent in sweetness to one teaspoon of sugar. (This Splenda is specially designed for use in cooking so that you can use sugar measures.)
Obviously, there is something else or something different about the bulk product. What I've noticed is that the packets don't sizzle, or if they do, not so much. The bulked product sizzles not at all or not very much if put into cold water, but if put into hot water, it definitely sizzles.
I think that the bulk product incorporates a lot of trapped air. When it is added to hot water, the air expands rapidly and pops the "bubbles", so to speak. In cold water, the effect is not as strong.
None of the ingredients in either kind of Splenda would cause a chemical reaction with water. Splenda itself is not going to change so radically in water, if at all, to release a gas.
It's air, folks. It's not even carbonation.
I googled Splenda Fizzes and found a fair amount of confirmation; at least there are others who have reported that the bulk Splenda fizzes and not the packets. There was also a theory that the dissolving material changes the boiling point of the water, so that a tiny amount of water boils. From my educated but amateur knowledge of physics, I find this unlikely. Dissolving stuff in water raises the boiling point, in general. But if water is already at boiling temperature, crystals and the like can catalyze the formation of bubbles.... the water in question is not that hot.