Antiplasticisation and oxygen permeability of starch-sorbitol films

S. Gaudin, D. Lourdin (Corresponding Author), Pirkko Forssell, P. Colonna

Research output: Contribution to journalArticleScientificpeer-review

120 Citations (Scopus)

Abstract

The thermomechanical properties and oxygen permeability of sorbitol–starch–water films were studied. Sorbitol had an antiplasticisation effect for contents below 21% (wt%), as indicated by a ten-fold drop in oxygen permeability 1.43×10−16 cm3 cm/cm2 s Pa for the sample not containing sorbitol and 0.15×10−16 cm3 cm/cm2 s Pa for the sample containing 8.8% of sorbitol. This behaviour was related to changes in secondary relaxations. The motions involved in these relaxations were reduced because of the connections established between starch and sorbitol, leading to decreased diffusion of oxygen molecules. For sorbitol contents above 21% (wt%), oxygen permeability increased slightly. Water produced a classic plasticising effect (an increase of oxygen permeability), but at low sorbitol content (8.8%) this was only moderate due to the effect of sorbitol itself (4.3×10−16 cm3 cm/cm2 s Pa for 23.8% of water).
Original languageEnglish
Pages (from-to)33 - 37
Number of pages5
JournalCarbohydrate Polymers
Volume43
Issue number1
DOIs
Publication statusPublished - 2000
MoE publication typeA1 Journal article-refereed

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Sorbitol
Starch
Oxygen
Water
Molecules

Cite this

Gaudin, S. ; Lourdin, D. ; Forssell, Pirkko ; Colonna, P. / Antiplasticisation and oxygen permeability of starch-sorbitol films. In: Carbohydrate Polymers. 2000 ; Vol. 43, No. 1. pp. 33 - 37.
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Gaudin, S, Lourdin, D, Forssell, P & Colonna, P 2000, 'Antiplasticisation and oxygen permeability of starch-sorbitol films', Carbohydrate Polymers, vol. 43, no. 1, pp. 33 - 37. https://doi.org/10.1016/S0144-8617(99)00206-4

Antiplasticisation and oxygen permeability of starch-sorbitol films. / Gaudin, S.; Lourdin, D. (Corresponding Author); Forssell, Pirkko; Colonna, P.

In: Carbohydrate Polymers, Vol. 43, No. 1, 2000, p. 33 - 37.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Forssell, Pirkko

AU - Colonna, P.

PY - 2000

Y1 - 2000

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AB - The thermomechanical properties and oxygen permeability of sorbitol–starch–water films were studied. Sorbitol had an antiplasticisation effect for contents below 21% (wt%), as indicated by a ten-fold drop in oxygen permeability 1.43×10−16 cm3 cm/cm2 s Pa for the sample not containing sorbitol and 0.15×10−16 cm3 cm/cm2 s Pa for the sample containing 8.8% of sorbitol. This behaviour was related to changes in secondary relaxations. The motions involved in these relaxations were reduced because of the connections established between starch and sorbitol, leading to decreased diffusion of oxygen molecules. For sorbitol contents above 21% (wt%), oxygen permeability increased slightly. Water produced a classic plasticising effect (an increase of oxygen permeability), but at low sorbitol content (8.8%) this was only moderate due to the effect of sorbitol itself (4.3×10−16 cm3 cm/cm2 s Pa for 23.8% of water).

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