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Food
Quiz: How much do you know about food gelling agents?
Test your knowledge of the science of these ingredients that make foods jiggle.
by Andy Brunning, special to C&EN
February 28, 2025
Before you take our quiz on food gelling agents, make sure you check out our Periodic Graphic for some helpful hints.
Which types of biopolymers are gelling agents made from?
Food gels form when which molecules get trapped within the gelling agent’s tangled network?
Which of the following is a polypeptide-based gelling agent?
Which gelling agents are obtained from red algae?
Which of the following is a source of pectin?
Which of the following produces gellan gum?
What is sodium alginate commonly used to make?
Chemical & Engineering News
ISSN 0009-2347
Copyright © 2025 American Chemical Society
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