Effects of different oil additives on water resistance of corn starch straws

Zhang, Jinyu; Li, Xueting; Wang, Kun; Zhu, Yu; Guo, Li; Cui, Bo; Lu, Lu

doi:10.1016/j.carbpol.2024.122027

Carbohydrate Polymers

2024

DOI: 10.1016/j.carbpol.2024.122027

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Effects of different oil additives on water resistance of corn starch straws

Jinyu Zhang,

Xueting Li,

Kun Wang

et al.

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Structural and Property Changes in Corn Starch Straws via NCU‐017 Strain Fermentation

Pan,

Liu,

Chen

et al. 2024

Starch Stärke

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This study utilizes corn starch fermented by the NCU‐017 strain to prepare straws and investigates the effects of NCU‐017 strain fermentation on the structure and functional properties of the starch straws. The results show that the fermented starch straws exhibit a decrease in number‐average molecular weight (Mn) and amylose content compared to the non‐fermented control straws (CS), while the proportion of starch chains with DP 6–12 increases. Fermentation reduces starch straws' hydrogen bond strength and gelatinization enthalpy (ΔH). X‐ray diffraction (XRD) reveals that fermentation does not alter the crystal type of starch straws, but increases the relative crystallinity from 13.19% to 15.38%. The fermented starch straws are more water‐resistant than CS, and they do not bend after being soaked in water at 4 and 25°C for 1 h. This is due to the formation of a dense structure which can be observed from the scanning electron microscope (SEM). Fermentation significantly reduces the starch straws' maximum bending force (Fb) but increases their bending modulus of elasticity (Eb). This study demonstrates the potential application of bacterial fermentation in improving the functional properties of starch straws.

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Structural and Property Changes in Corn Starch Straws via NCU‐017 Strain Fermentation

Pan,

Liu,

Chen

et al. 2024

Starch Stärke

View full text Add to dashboard Cite

show abstract

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Effects of different oil additives on water resistance of corn starch straws

Cited by 1 publication

References 99 publications

Structural and Property Changes in Corn Starch Straws via NCU‐017 Strain Fermentation

Structural and Property Changes in Corn Starch Straws via NCU‐017 Strain Fermentation

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