Cornstarch as a Sustainable Polymeric Material for Industrial and Chemical Applications: A Review
Keywords:
Corn Starch, Biopolymer, Modified Starch, Sustainable materials, Industrial Chemistry, Pharmaceautical excipientAbstract
Abstract
Cornstarch is a biodegradable and renewable biopolymer derived from the endosperm of maize (Zea mays L.). Due to its low cost, abundance, non-toxicity, and versatile physicochemical properties, cornstarch has gained considerable industrial importance in food processing, pharmaceuticals, cosmetics, soap manufacturing, paper production, and construction industries. Cornstarch is mainly composed of amylose and amylopectin polysaccharides, which contribute to its thickening, stabilizing, moisture-absorbing, adhesive, and film-forming properties. Native cornstarch exhibits several industrial limitations including low thermal stability, retrogradation tendency, and restricted solubility, thereby encouraging the development of modified starch technologies. This review discusses the production, chemical structure, physicochemical properties, and industrial applications of native and modified cornstarch. Particular emphasis is placed on the applications of cornstarch in soap manufacturing, food systems, pharmaceutical formulations, paper processing, and concrete technology. The importance of cornstarch as an environmentally sustainable biopolymer in green chemistry and industrial manufacturing is also highlighted. The review concludes that cornstarch remains one of the most promising renewable polymeric materials for future industrial and technological developments.
Keywords: Cornstarch, Biopolymer, Modified starch, Sustainable materials, Industrial chemistry, Pharmaceutical excipient, Green chemistry.
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