Agar and carrageenan are extracted from ____ algae for use as thickeners or stabilizers in foods, cosmetics, and personal care products.

A) only brown
B) only red
C) only green
D) brown and green
E) red and green

Carrageenan

A family of linear sulfated polysaccharides that are extracted from red edible seaweeds and used in the food industry as gelling agents.

Agar

A gelatinous substance derived from seaweed, used as a medium for bacterial growth in laboratory settings.

Thickeners

Substances added to liquids to increase their viscosity without substantially modifying their other properties, often used in food processing and cosmetics.