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Ingeniería e Investigación

Print version ISSN 0120-5609

Abstract

MONCAYO, D; BUITRAGO, G.  and  ALGECIRA, N.. The surface properties of biopolymer-coated fruit: A review. Ing. Investig. [online]. 2013, vol.33, n.3, pp.11-16. ISSN 0120-5609.

Environmental conservation concerns have led to research and development regarding biodegradable materials from biopolymers, leading to new formulations for edible films and coatings for preserving the quality of fresh fruit and vegetables. Determining fruit skin surface properties for a given coating solution has led to predicting coating efficiency. Wetting was studied by considering spreading, adhesion and cohesion and measuring the contact angle, thus optimising the coating formulation in terms of biopolymer, plasticiser, surfactant, antimicrobial and antioxidant concentration. This work reviews the equations for determining fruit surface properties by using polar and dispersive interaction calculations and by determining the contact angle.

Keywords : Edible coating; edible film; contact angle; wettability.

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