Carrageenan, a glue like substance from algae is used to produce a thickening agent in _

Explanation

Carrageenan is a natural ingredient derived from certain types of red seaweed. It has a unique ability to form a gel-like substance when mixed with liquids, which makes it perfect for thickening puddings. By adding carrageenan to the pudding mixture, it helps give it a smooth and creamy texture that we all love. It's a popular ingredient in many food products, including dessert items like puddings and custards.