Solubilised rice bran ferulic acid has potential to retard cooked rice retrogradation and not impact digestibility

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Solubilised rice bran ferulic acid has potential to retard cooked rice retrogradation and not impact digestibility
Title:
Solubilised rice bran ferulic acid has potential to retard cooked rice retrogradation and not impact digestibility
Journal Title:
Journal of Functional Foods
Publication Date:
11 November 2022
Citation:
Phoon, P. Y., Sng, A. X. Y., Nge, C. E., & Henry, C. J. (2022). Solubilised rice bran ferulic acid has potential to retard cooked rice retrogradation and not impact digestibility. Journal of Functional Foods, 99, 105330. https://doi.org/10.1016/j.jff.2022.105330
Abstract:
This study investigated if solubilised rice bran extract could lessen retrogradation in cooked Hom Mali rice during prolonged storage, and still lower its glycaemic potential. Retrogradation was analysed by differential scanning calorimetry and Raman spectroscopy, while in vitro starch digestibility was tested by the Englyst method. The key findings were: (1) Ferulic acid in the extract interacted noncovalently with gelatinised amylose to promote aggregation, as evidenced by heteronuclear multiple bond coherence and analytical ultracentrifugation, respectively. (2) Rice infused and cooked with the extract exhibited reduced retrogradation after storage at 4 °C over ∼2 weeks, compared to control rice. The reduced retrogradation also translated into lower tendency for syneresis. (3) In vitro starch digestibility of treated rice was lower/not higher than fresh control rice. The findings bear implications on how the textural quality of a high-moisture starch staple could be preserved in prolonged storage, without compromising its nutritional quality.
License type:
Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
Funding Info:
This research / project is supported by the A*STAR - Industry Alignment Fund Pre-Positioning (IAF-PP)
Grant Reference no. : H17/01/a0/A11

Wilmar International Limited
Description:
ISSN:
1756-4646
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