Work

Edible starch films and coatings characterization: scanning electron microscopy, water vapor, and gas permeabilities

Year: 1999

Type: article

Abstract: Effects of coating formulation (starch type and plasticizer) on microstructure, water vapor, and gas permeabilities of films and coatings were analyzed. Plasticizer addition was necessary for films and coatings integrity to avoid pores and cracks. A satisfactory correlation between microstructure observations by scanning electron microscopy, electronic thickness measurements, and water vapor and gas permeability determinations was observed. Films and coatings with high amylose content starches showed lower water vapor and gas permeabilities compared with films and coatings with medium amylose content starches. Films and coatings with sorbitol showed lower water vapor and gas permeabilities than those with glycerol, with the most effective plasticizer concentration being 20 g/l.

Source: Scanning

DOI: 10.1002/sca.4950210508

Authors: María A. García, Miriam N. Martino, Noemí E. Zaritzky

Institutions: Consejo Nacional de Investigaciones Científicas y Técnicas, Centro de Investigación y Desarrollo en Criotecnología de Alimentos, Universidad Nacional de La Plata

Language: English

Topic: Nanocomposite Films for Food Packaging

Subfield: Biomaterials

Field: Materials Science

Domain: Physical Sciences

Open Access status: bronze

Funder: Consejo Nacional de Investigaciones Científicas y Técnicas

OpenAlex ID: W1966248787

FWCI: 0.551

Cites: 22

Cited by: 82

Related to: 10