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Carrageenan, also known as Eucheuma gum, Chondrus gum, or Pelvetia gum,is a hydrophilic colloid extracted from red algae (Rhodophyceae) such as Eucheuma, Gelidium, and Pelvetia. It is one of the three major seaweed gum industrial products in the world (Agar, Carrageenan, and Alginate).Due to its stable chemical properties and good gelling properties, carrageenan is widely used in various foods such as jelly, ice cream, soft candy, canned goods, and meat products, serving as a gelling agent, emulsifier, stabilizer,and thickener.
As a natural food additive, carrageenan has been used in the food industry for decades. In 2001, the Joint Expert Committee on Food Additives (JECFA) of the United Nations Food and Agriculture Organization (FAO) and the World Health Organization (WHO) removed the restriction on the acceptable daily intake (ADI) of carrageenan, confirming that it is safe, non-toxic and no side effects.
Chemical Structure of Carrageenan: Carrageenan is a class of linear high-molecular-weight polysaccharides. Its chemical structure consists of calcium, potassium, sodium, and ammonium salts of sulfated polysaccharide composed of galactose and anhydrogalactose. According to the different binding forms of sulfate esters, it can be divided into κ-type (Kappa), ι-type (Iota), and λ-type (Lambda). The carrageenan currently produced by our company is mainly κ-type.
The Application of Carrageenan in Food:
Carrageenan is used in beverages and dairy products to thickening, stabilizing, shaping, suspending, and gelation.
When carrageenan is applied to poultry meat products, it can enhance the water-holding capacity of the products and improve their flavor, texture, cuttability, freeze-thaw properties, and stability.
Carrageenan can be used as an auxiliary agent to clarify beer in the beer production process.
As an excellent gelling agent, carrageenan can replace conventional agents such as agar, gelatin, and pectin. It is commonly used in the production of jelly and gummy candies. In jelly, it can make the product more elastic. In gummy candies, it can endow the product with a smooth taste, higher elasticity, lower viscosity, and higher stability.
Carrageenan is also used in foods such as chocolate milk, milk pudding, baby food, concentrated plain milk, whipped natural and artificial cream, yogurt, processed cheese film, post-meal hydrogel desserts, fish gel, flavor seasonings, tomato sauce, etc.