Colloid or a colloidal system is defined as a chemical system composed of finely divided particles dispersed in a continuous medium. Hydrocolloids are those colloidal long chained polymeric systems which are composed of fine particles dispersed in water. Depending on the quantity of the medium namely water, these hydrocolloids exist as gels or as sols. These hydrocolloids find a variety of applications especially in food industry owing to their exceptional ability to modify the rheology of the system to which it is added. Besides, these also find application in pharmaceutical and cosmetics industry. As an ingredient in food and beverages, these may be used as thickening agents, gelling agents, emulsifying agents, stabilizing agents among other applications. Food hydrocolloids may be obtained from natural sources such as plants, animals, microbial sources or may be synthesized artificially. Global Food hydrocolloids market is slated to witness a steady growth during the forecast period.