The effect of sorbitol and sweet sorghum to carrageenan ratio on the physicochemical properties of sweet sorghum/carrageenan bioplastics

Sari, Yessie Widya; Putri, Sumaya Yulia; Intan, Noor; Bahtiar, Abdurrahman; Kurniati, Mersi

doi:10.1007/s13399-020-01254-3

Cited by 5 publications

(1 citation statement)

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“…In the manufacture of edible films, plasticizers, such as glycerol and sorbitol are added to increase the flexibility of the film [37]. Several fortifying constituents, such as hydrocolloids, lipids, and composites, can improve film functionality and protect food products from mechanical, physical, and chemical damage [38,39].…”

Section: Function and Propertiesmentioning

confidence: 99%

Properties Comparison of Oxidized and Heat Moisture Treated (HMT) Starch-Based Biodegradable Films

et al. 2023

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Starch-based biodegradable films have been studied for a long time. To improve starch properties and to increase film characteristics, starch is commonly modified. Amongst different types of starch modifications, oxidation and heat moisture treatment are interesting to explore. Unfortunately, review on these modifications for film application is rarely found, although these starch modifications provide interesting results regarding the starch and film properties. This paper aims to discuss the progress of research on oxidized and heat moisture-treated-starch for edible film application. In general, both HMT and oxidation modification on starch lead to an increase in film’s tensile strength and Young’s modulus, suggesting an improvement in film mechanical properties. The elongation, however, tends to decrease in oxidized starch-based film, hence more brittle film. Meanwhile, HMT tends to result in a more ductile film. The drawback of HMT film is its lower transparency, while the opposite is observed in oxidized films. The observation on WVP (water vapor permeability) of HMT starch-based film shows that the trend of WVP is not consistent. Similarly, an inconsistent trend of WVP is also found in oxidized starch films. This suggests that the WVP parameter is very sensitive to intrinsic and extrinsic factors. Starch source and its concentration in film, film thickness, RH (relative humidity) of film storage, oxidation method and its severity, plasticizer type and its concentration in film, and crystallinity value may partly play roles in determining film properties.

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Section: Function and Propertiesmentioning

confidence: 99%