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Food Chem

Title:		Structure of starch aerogel as affected by crosslinking and feasibility assessment of the aerogel for an anti-fungal volatile release
Author(s):		Abhari N; Madadlou A; Dini A;
Address:		"Department of Food Science and Engineering, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran. Department of Food Science and Engineering, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran. Electronic address: a.madadlou@ut.ac.ir. Pistachio Safety Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran"
Journal Title:		Food Chem
Year:		2017
Volume:		20161017
Issue:
Page Number:		147 - 152
DOI:		10.1016/j.foodchem.2016.10.072
ISSN/ISBN:		1873-7072 (Electronic) 0308-8146 (Linking)
Abstract:		"Starch suspensions were crosslinked with trisodium citrate for either 0 or 17h, gelled and then freeze-dried to corresponding aerogels. The aerogel from the 17h-crosslinked suspension was loaded with the antifungal compound, trans-2-hexenal, and coated with the surfactant, sorbitan monooleate. Aerogel hardness was increased by the citrate-mediated crosslinking, whereas its adhesiveness decreased. Starch gelation decreased the crystallinity index (CrI) from 59% to approximately 23%; however, the pre-gelation crosslinking resulted in a higher CrI value (i.e. approximately 38%) for the aerogel. The voids at the internal microstructure of the 17h-crosslinked aerogel were more uniform and coating with surfactant closed the surface openings. The latter accordingly resulted in a more sustained release of the volatile, trans-2-hexenal, from the crosslinked starch aerogel and led to slower lethality of Aspergillus parasiticus cells inoculated on pistachio nuts compared with the non-coated condition"
Keywords:		"Aldehydes/chemistry Antifungal Agents/*chemistry/pharmacology Aspergillus/chemistry/drug effects Citrates/chemistry Coated Materials, Biocompatible/chemistry Feasibility Studies Food Contamination/prevention & control Food Microbiology Freeze Drying Gels/;"
Notes:		"MedlineAbhari, Negar Madadlou, Ashkan Dini, Ali eng England 2016/12/17 Food Chem. 2017 Apr 15; 221:147-152. doi: 10.1016/j.foodchem.2016.10.072. Epub 2016 Oct 17"