Originating from species like Chondrus crispus (Irish moss), carrageenan undergoes extensive processing before being utilized as a food additive. The substance is classified primarily into three types kappa, iota, and lambda, each varying in their gelling abilities and solubility. Kappa carrageenan forms strong gels in the presence of potassium ions, while iota carrageenan forms softer gels, particularly in the presence of calcium ions. Lambda carrageenan, on the other hand, does not gel but provides thickening and stabilizing properties. This versatility allows manufacturers to tailor carrageenan's use across an array of products.