4
votes
1answer
82 views

Why don't other grain proteins behave like gluten?

There are many excellent explanations here (and elsewhere) of what gluten "does." What I haven't seen anywhere is an explanation of what makes gluten so special. Where do its marvelous elastic ...
3
votes
2answers
187 views

All else held equal, does a pot of tea have more total caffeine than a mug?

Let's say you have one tea bag and can either brew it in a mug of boiling water, or a larger tea kettle of boiling water. The temperature, steeping time, type of tea bag, etc. are held constant. ...
6
votes
3answers
4k views

what makes red tomato sauce turn orange in colour?

I have noticed that tomato sauce (having started with deep red tomatoes) can turn orange. The colour change isn't from mixing in an ingredient of different colour such as cream. It seems to occur in ...
3
votes
1answer
1k views

Differences between gel and gelatine

Are they physically different? If so, what is the difference, between a gel and gelatine, or it's proccesses gelation and gelling (gelatinization. gelatinisation)?
2
votes
1answer
138 views

Separating Chlorophyll didn't work

I tried to extract chlorophyll from spinach by blending up some spinach and water and straining out the green juice, then heating the juice. I've done it before, but this time, it wouldn't separate. ...
11
votes
2answers
1k views

Coffee foam vs. Tea foam

One sign of really good fresh well-roasted coffee beans is foam. When you pour hot water into the French press, it foams, often forming a head up to 2" high. And when you use an espresso machine, ...