Retrogradation in radiation-synthesized cassava starch/acrylic acid super water absorbent and its effect on gel stability

Gallardo, Alvin Kier R.; Silos, Alyan P.; Relleve, Lorna S.; Abad, Lucille V.

doi:10.1016/j.radphyschem.2022.110313

Cited by 5 publications

(2 citation statements)

References 41 publications

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“…目前, 木薯淀粉膜也在向智能化发展, 如 pH 响应型膜 [257,265] 的开发. 木薯淀粉基凝胶的制备所涉及的技术与薄膜的制备有一些相似性, 如与多糖、蛋白类物质、纳米颗粒等共混 [266][267][268] , 对淀粉进行化学改性 [269] 和物理改性 [270][271][272] 等. 此外, 木薯淀粉基凝胶用到了淀粉的酶改性技术 [273,274] , 以改善凝胶特性.…”

Section: 消化特性unclassified

Research progress of starch from characteristic tropical crops

WANG,

ZHANG,

ZHANG

et al. 2024

Sci. Sin.-Vitae

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Starch, the predominant carbohydrate in nature, serves as the primary energy source for various physiological activities in humans. Characteristic starches from tropical crops, such as cassava, banana, jackfruit, and breadfruit, mango, and canistel have gained attention due to their diverse and multiscale structures, distinct physicochemical properties, processing characteristics, and myriad applications. This review provides a comprehensive summary of the research progress on starch from various tropical crops. Specifically, the extraction technology, amylopectin content, multiscale structure, physical and chemical properties, processing technology, and applications of starch are reviewed. The advancements, application prospects, and research suggestions on starch from characteristic tropical crops are also discussed, which provides theoretical guidance for enhancing the processing level of related products and diversifying food sources.

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Section: 消化特性unclassified

Research progress of starch from characteristic tropical crops

WANG,

ZHANG,

ZHANG

et al. 2024

Sci. Sin.-Vitae

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“…Two different crosslinking mechanisms such as ionic crosslinking using aluminum ammonium sulfate (AlAS) and chemical crosslinking using methylene bisacrylamide were implemented to optimize the absorption capacity of the sponges. [38][39][40] BSAP sponges were further evaluated using different techniques, including Fourier transform infrared spectroscopy (FTIR) to analyze the chemical structure, and residual monomer content using high-pressure liquid chromatography (HPLC), thermogravimetric analysis (TGA), and free swell capacity in water and 0.9% saline.…”

Section: Introductionmentioning

confidence: 99%

Superabsorbent Polymer Sponge for Saliva Absorption Pad

Sankar

Lathikumari

Saraswathy

2023

Journal of Advanced Oral Research

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Aim: Saliva is a significant hindrance to most dental procedures (e.g., root canal treatment) as the flow of saliva increases in patients undergoing dental treatment due to anxiety. Saliva absorption pads based on superabsorbent polymers can provide a dry oral environment to ease the dental treatment procedure and reduce the swallowing reflexes common during cotton use. This study focused on developing an indigenous saliva absorption pad using biodegradable superabsorbent polymer (BSAP) sponges. Materials and Methods: BSAP sponges were synthesized using carboxymethyl cellulose (CMC) as the base matrix. Different crosslinking mechanisms were implemented to prepare BSAP sponges, such as ionic crosslinking using aluminum ammonium sulfate (AlAS) and chemical crosslinking using methylene bisacrylamide. Three different BSAP sponges (Sap-2, SAP-PAA-1, and SAP-PAA-2) were characterized for their free swell capacity and thermal degradation kinetics along with other characterization techniques to optimize the composition for saliva absorption pad. One-way ANOVA was used for statistical evaluation. Results: SAP-2, synthesized using 10 wt.% AlAS showed the highest free swell capacity in water and saline (83.21 ± 3.8 g/g and 40.7 ± 3.4 g/g, respectively). However, the moisture content of the particular BSAP sponge was higher (~13%) compared to the standard limit (ISO 17190-4:2001(E)). It was observed that as the crosslinking density increases free swell capacity increases to a threshold point and decreases thereafter. As reported earlier, percentage swelling was controlled by multiple factors including crosslinking that opposes swelling and polymer/water interaction and Donnan pressure that promotes swelling. Conclusion: BSAP sponge based on crosslinked CMC matrix is highly advantageous in developing saliva absorption pad. Hydrophobic surface modification is recommended to reduce the moisture content to improve the storage stability of BSAP sponges.

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Insights into starch-based gels: Selection, fabrication, and application

Shao,

Zhang,

et al. 2024

International Journal of Biological Macromolecules

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Retrogradation in radiation-synthesized cassava starch/acrylic acid super water absorbent and its effect on gel stability

Cited by 5 publications

References 41 publications

Research progress of starch from characteristic tropical crops

Research progress of starch from characteristic tropical crops

Superabsorbent Polymer Sponge for Saliva Absorption Pad

Insights into starch-based gels: Selection, fabrication, and application

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