Yes! It's an extract from a flower not a grain.
yes
no
Thickener 415 is Xanthum gum, used as a substitute for gluten in many bread recipes and is entirely gluten free.
Gluten is a thickener and binding agent in baking, so gum is a substitute.
Flour and water, or you can use corn starch and water. If gluten free just use a gluten free flour alternative.
It is an extract from a flower and not a grain therefore it is also gluten free.
yes. guar gum is a thickener/binder that comes from beans, not grains.
Kirin Draft beer contains Malt, Hops, Rice, Corn and 1420. I'm not sure if it's gluten free, or what 1420 stands for, presumably it would contain yeast and sugar.
If you cook it at home, butterscotch or any other flavor of pudding can be gluten-free, since the most common thickener in home pudding recipes is cornstarch. Check the labels of commercial products to verify the presence or absence of gluten.
It depends on who makes it. It is sometimes used as a thickener or a filler. Look at the ingredients list for wheat. If it's there then it's not for Coeliacs (people who can't digest gluten).
No, food thickener 1422 is not dairy free.