This paper focuses on the various definitions and classifications of hydrocolloids and presents a global overview of hydrocolloids from both a numerical and perceptual point of view. Hydrocolloids for all the studying and analyzing conducted on them, remain a nebulous subject. Ask ten scientists for an exact definition and one is likely to receive ten somewhat different answers. In general, hydrocolloids 'work with water', they thicken, suspend, gel or stabilize a solution. As colloids they fall between a true solution and solid suspension. A range of novel, nutraceutical properties are being discovered and established for hydrocolloids. A key property of some is that of providing fiber, both soluble and/or insoluble.
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