Innovative Food Science & Emerging Technologies
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2026
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IF 6.9
Liyuan Ma,Danyang Liang,Xiangrui Ren,Li Niu,Wenqing Zhao,Wenhao Li
To address the quality limitations of gluten-free potato noodles caused by the lack of a gluten network, this study elucidates the influence of sodium alginate (SA, 0, 0.5, and 1.5%) and zein (0, 10, 15, and 20%), individually and in combination, on the thermomechanical properties of potato dough and the quality of twin-screw extruded noodles. Mixolab analysis showed that SA significantly increased water absorption, while zein delayed protein weakening ( P < 0.05). Their combination enhanced dough's thermomechanical stability and starch gelatinization. At 0.5% SA and 10% zein, dough development time was minimized (0.70 min), and retrogradation resistance was optimal (C5–C4 = 0.63 Nm). Cooking loss was significantly reduced (16.41–30.71%) with SA at ≤1.5% and zein at ≤15%. Low-field nuclear magnetic resonance revealed their synergistic improvement of internal water distribution in noodles. Textural analysis indicated significantly reduced hardness, chewiness, and resilience for all SA-zein combinations except 1.5% SA with 20% zein, with maximum reductions (60.40%, 68.11%, and 38.18%) at 0.5% SA and 20% zein. Microscopy and quantitative network analysis confirmed that a moderate SA (<1.5%) promoted a continuous zein-starch network, whereas excess SA led to aggregation and structural deterioration. Color and in vitro digestion analyses revealed that SA and zein together enhanced redness and increased the content of rapidly digestible starch. In summary, at appropriate concentrations, the combination of SA and zein can synergistically improve noodle quality, thereby providing both theoretical and practical guidance for the rational design of gluten-free extruded noodles.
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CHEMICAL ENGINEERING JOURNAL
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2026
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IF 12.5
Pengfei Jiang,Qi Liu,Ming Hao,Nannan Duan,Zhuohang Min,Jingwen Yang,Ni Xu,Shouchun Ma,Chuanli Qin
DN polymer hydrogel electrolyte is prepared via free-radical copolymerization. • Boronic ester and hydrogen bonds in DN enable excellent self-healing properties. • LiCl and iL hybrid electrolyte imparts good low-temperature resistance (−30 °C). • The electrolyte shows good self-healing and low-temperature ionic conductivity. • The assembled supercapacitor shows self-healing and low-temperature resistance. The practical application of flexible energy storage devices is constrained by their susceptibility to mechanical damage and performance degradation under low-temperature environment. The hydrogel electrolytes with integrated self-healing and low-temperature-resistant properties offers a viable solution to the challenges. This study developed a novel double-network (DN) polymer hydrogel electrolyte (B-(PVHA/SA)/LiCl-iL) with hydrogen bonds and dynamic borate ester bonds, using copolymer of 1-vinylimidazole and N-(hydroxymethyl) acrylamide (PVHA) as the matrix, sodium alginate (SA) as the reinforcing phase, borax (B) as a crosslinker and lithium chloride (LiCl) and 1-ethyl-3-methylimidazolium acetate ionic liquid (iL) as a hybrid electrolyte. The DN structure endows the hydrogel electrolyte with excellent thermal, mechanical and self-healing properties. Furthermore, LiCl and iL as a hybrid electrolyte endows the hydrogel electrolyte with remarkable low-temperature resistance. The optimal B-(PVHA/SA)/LiCl-iL hydrogel electrolyte shows a three-dimensional porous structure, with an ionic conductivity of 9.12 × 10 −2 S/cm. After being severed, it can recover its original structure within 20 min, and this healing process can be repeated for up to 15 cycles. The hydrogel electrolyte exhibits outstanding low-temperature resistance and its ionic conductivity at −30 °C remains at 62.3% of its value at room temperature. The supercapacitor assembled with the hydrogel electrolyte demonstrates a capacitance retention of 80.6% after five cut-healing cycles, and retains 52.1% of its initial capacitance at −30 °C. This work provides a feasible strategy for designing multifunctional hydrogel electrolytes, offering promising potential for flexible energy storage and electronics devices operating in environments with temperature fluctuations and mechanical stress.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2025
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IF 8.5
Hao-Lin Song,Yu-Qiao Wang,Qian Zhang,Yue Liu,Lin-Da Zhang,Jia-Nan Yan,Bin Lai,Ce Wang,Hai-Tao Wu
The impact of different mannuronic acid (M)/guluronic acid (G) ratios (2:1, 1:1, and 1:2) in sodium alginate (SA) on the gel properties of low-salt whiteleg shrimp surimi was investigated, and the corresponding mechanism was elucidated in this study. The results showed that all three types of SA (M-block dominant, M/G balanced, and G-block dominant) could improve the texture characteristics of low-salt shrimp surimi gel (SSG), strongly modulated by the M/G ratio. As the G content of the SA increased, the gel strength, hardness, and storage modulus of low-salt SSG were significantly enhanced ( P < 0.05). After adding SA at the M/G ratio of 1:2, the highest water holding capacity (86.13 %) and the lowest cooking loss (1.16 %) were observed in the low-salt SSG. These phenomena could be attributed to the structural differences between the M unit (with an equatorial C5 carboxyl group, flexible) and the G unit (with an axial C5 carboxyl group, rigid) of SA. SA with high G content had a superior ability to construct a rigid network, which restricted protein mobility, increased the probability of protein-protein interactions, and thereby promoted protein cross-linking and disulfide bond formation. Meanwhile, the protein conformation in the low-salt SSG changed from α-helix to β-sheet after adding SA. These effects collectively contributed to forming a dense gel network, leading to better texture and water retention capacity of low-salt SSG. In conclusion, the M and G components of SA play crucial roles in establishing the protein-polysaccharide network, which is essential for developing high-quality low-salt SSG.
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COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
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2019
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IF 3.131
Lili Wang,Yapei Luo,Heng Li,Deyou Yu,Yijia Wang,Wei Wang,Minghua Wu
In order to realize the good selective removal of Sb(III) from the multi-ions coexisting water, Sb(III)-imprinted hyperbranched polyamide–functionalized sodium alginate (IIPSA) microspheres were successfully prepared. IIPSA microspheres were characterised via FT-IR and SEM-EDS. The selective adsorption performances and reusability of IIPSA microspheres were investigated. Results showed that the optimum grafting conditions were the dosage of HA 1 g at 40 °C for 1 h and the optimum ion-imprinted conditions were the dosage of 2 wt % glutaraldehyde 100 mL at 60 °C for 2 h. Compared with non-imprinted microsphere, the maximum adsorption capacity of IIPSA microsphere improved by 52% and IIPSA microsphere had better selectivity for the removal of Sb(III) from solutions containing other ions. The adsorption mechanisms conformed to a monolayer adsorption dominated by chemical interactions with a spontaneous exothermic process. After 8 adsorption-desorption, the adsorption capacity of IIPSA microspheres retained more than 90%, and the Sb(III) selectivity was relatively stable.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2026
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IF 8.5
Chuyi Wang,Jingxin Chen,Nan Chen,Bingru Zhang,Wenyan Wu,Weiran Lin,Yuxin He,Jin Zhang,Yudong Lu,Zixing Yan
The half-life of the traditional Chinese medicine Anzhong Decoction (AZD) is relatively short. When administered orally, insufficient retention in the stomach and rapid clearance rates result in significantly reduced drug utilization efficiency. To address this limitation, we developed ternary composite sodium alginate/gelatin/guar gum hydrogel beads (SA/Gel/GG HBs) using ion-gelation technology. Research revealed that guar gum (GG) incorporation enhances hydrogen bonding and network heterogeneity, as confirmed by ATR-FTIR and rheological analysis. Specifically, the formulation containing 0.4% GG (SA/Gel/4GG) achieved an optimal balance of properties. It demonstrated an encapsulation efficiency of 76.09%, a loading capacity of 7.02% and a high-water retention of 85.24%. Crucially, SA/Gel/4GG sustained gastric flotation for over 6 h with a flotation rate exceeding 95.04%. This was attributed to its low-density closed-cell structure, featuring a density of 0.36 g/cm 3 and porosity of 17.10%. The optimized microsphere exhibited a first-order kinetic release mechanism with biphasic release characteristics. Within 6 h, 79.21% of AZD was released into gastric fluid, followed by sustained release in the intestine. The antioxidant activity of AZD against DPPH and ABTS was well preserved. This SA/Gel/GG system presents a promising gastric-floating oral delivery platform for traditional Chinese medicine compounds, effectively extending gastric retention and enabling controlled drug release.
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FOOD RESEARCH INTERNATIONAL
·
2026
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IF 8.8
Dongxia Gou,Yanqiu Guo,Fandi Hong,Fangqi Ren,Qingbo Wang,Hanwen Zhang,Yujiao Tang,Jun Zhao
A novel CS/SA/LAG/ACNS hydrogel was fabricated for beef freshness monitoring. • NaCl improved hydrogel color stability via ion-pair and network confinement. • The indicator exhibited pH responsive color changed from red to dark yellow. • Color changes correlated well with multiple beef spoilage indicators. Fresh beef is highly susceptible to quality deterioration during storage and distribution, necessitating reliable and rapid freshness indicators. In this study, a pH-responsive colorimetric chitosan-based hydrogel was developed for visual monitoring of beef freshness using anthocyanins extracted from black bean seed coats. Anthocyanins were obtained via ultrasonic extraction and stabilized with sodium chloride (NaCl, 0.1 M). The hydrogel was fabricated through physical cross-linking of chitosan, sodium alginate, and low-acyl gellan gum with 40 mg anthocyanin-enriched extract (ACNS). The CS-SA-LAG-ACNS-NaCl hydrogel exhibited favorable rheological properties (G' > G”), improved mechanical strength (compressive strength increased from 50.79 ± 0.73 N to 56.78 ± 0.42 N), and good biocompatibility (cell viability >83%). In addition, NaCl improved the color stability of the hydrogel, with the color difference (ΔE) decreasing from 11.41 to 1.71 after 7 days of storage. A distinct color change from red to dark yellow was observed as beef spoilage progressed (1–7 days), during which TVB-N increased from 4.31 ± 0.12 mg/100 g to 32.28 ± 1.34 mg/100 g, TBA increased from 0.08 mg/100 g to 1.32 ± 0.04 mg/100 g, and TVC exceeded 2.5 × 10 5 CFU/g on day 7, demonstrating its effectiveness as a visual freshness indicator with promising applications in intelligent meat quality monitoring. Download: Download high-res image (325KB) Download: Download full-size image
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CHEMICAL ENGINEERING JOURNAL
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2026
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IF 12.5
Yuhan Lin,Xueyan Yan,Mengru Zhang,Chuanyi Wang
A marine biomass-based evaporator was made from Ulva prolifera and sodium alginate for green, low-cost solar desalination. • COMSOL simulation showed that the inverted cone structure promoted Marangoni convection for directional salt crystallization. • The evaporation and salt recovery rates reached values of 3.02 kg·m −2 ·h −1 and 3.13 kg·m −2 ·day −1 in 10 wt% NaCl solution. Solar-driven interfacial evaporation technology for saline water desalination, with advantages such as environmental friendliness and low cost, is of great significance for alleviating global water scarcity. However, salt scaling on the evaporator surface can reduce the evaporation rate and seriously threaten the system stability. Here, a sustainable inverted cone-shaped solar evaporator was fabricated using Ulva prolifera and sodium alginate as raw materials, achieving the synergy of efficient freshwater production and salt recovery. Under 1 sun irradiation, the fully marine biomass-based evaporator exhibited evaporation rates of 3.37 kg·m −2 ·h −1 and 3.02 kg·m −2 ·h −1 for 3.5 wt% and 10 wt% NaCl solutions, respectively, with no significant decay after 5 cycles. The unique 3D inverted-cone structure combined with the concentration gradient-induced Marangoni convection (verified by COMSOL simulation) promoted the saline radial transport and directional crystallization, enabling a salt collection rate of 3.13 kg·m −2 ·day −1 in 10 wt% NaCl. Furthermore, laboratory and outdoor performance tests using simulated seawater and real seawater demonstrated its application potential. This study provides a novel strategy for efficient seawater desalination and resource utilization. Download: Download high-res image (255KB) Download: Download full-size image
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FOOD CHEMISTRY
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2026
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IF 10.4
Zhen Zhao,Amir Bouallegue,Tianlin Gao,Jianshe Chen,Yong Chen
This study comprehensively investigated the shear and extensional rheological, tribological and sensory properties of sodium alginate (SA) with varying molecular weights (SA-1: 177 kDa, SA-2: 244 kDa, SA-3: 392 kDa), in comparison to commercial thickeners (CMC, κ-CG, XG) at IDDSI level 1–3. The results indicated that significant variability in the concentrations required to achieve the same IDDSI level across the six polysaccharides. The oscillatory rheology analysis suggested that SA-1, SA-2, SA-3 and CMC primarily exhibited viscous, liquid-like behavior across all three IDDSI levels, while XG consistently exhibited elastic and weak-gel behavior. Besides, the tribological properties showed that all SA samples maintained relatively low friction coefficients across all IDDSI levels when compared to the commercial thickeners, demonstrating a better lubricating performance of SA. Moreover, the sensory evaluation confirmed that SA samples had higher smoothness perception than XG. Consequently, developing dysphagia thickeners must address both rheology, sensory appeal and oral comfort.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2023
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IF 8.2
Min Jiang,Silei Li,Piaoye Ming,Ye Guo,Lingling Yuan,Xueyu Jiang,Yunfei Liu,Junliang Chen,Delin Xia,Yun He,Gang Tao
An ideal wound dressing should have excellent antimicrobial properties and provide a suitable microenvironment for regenerating damaged skin tissue. In this study, we utilized sericin to biosynthesize silver nanoparticles in situ and introduced curcumin to obtain Sericin-AgNPs/Curcumin (Se-Ag/Cur) antimicrobial agent. The hybrid antimicrobial agent was then encapsulated in a physically double cross-linking 3D structure network (Sodium alginate-Chitosan, SC) to obtain the SC/Se-Ag/Cur composite sponge. The 3D structural networks were constructed through electrostatic interactions between sodium alginate and chitosan and ionic interactions between sodium alginate and calcium ions. The prepared composite sponges have excellent hygroscopicity (contact angle 51.3° ± 5.6°), moisture retention ability, porosity (67.32 % ± 3.37 %), and mechanical properties (>0.7 MPa) and exhibit good antibacterial ability against Pseudomonas aeruginosa ( P. aeruginosa ) and Staphylococcus aureus ( S. aureus ). In addition, in vivo experiments have shown that the composite sponge promotes epithelial regeneration and collagen deposition in wounds infected with S. aureus or P. aeruginosa. Tissue immunofluorescence staining analysis confirmed that the SC/Se-Ag/Cur complex sponge stimulated upregulated expression of CD31 to promote angiogenesis while downregulating TNF-α expression to reduce inflammation. These advantages make it an ideal candidate for infectious wound repair materials, providing an effective repair strategy for clinical skin trauma infections.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2023
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IF 8.2
Mengya Ding,Xiaojie Wang,Jia Man,Jianyong Li,Yinghua Qiu,Yongqi Zhang,Maocheng Ji,Jianfeng Li
Antibacterial hemostatic medical dressings have become feasible solutions in response to the challenging wound-healing process. In this study, a novel fiber-type medical dressing with excellent breathable, antibacterial, and hemostatic qualities was created using sodium alginate (SA), microcrystalline cellulose (MCC), polyvinyl alcohol (PVA), and Euphorbia humifusa Willd (EHW) based on microfluidic spinning technology, and the properties of the dressing were characterized. The orthogonal test demonstrates that PVA and MCC can enhance the mechanical properties of the fiber, which is a crucial requirement for fiber assembly to form the dressing. Moreover, the presence of EHW enhances the dressing's antibacterial and hemostatic qualities. The dressings have been proven to have potent antibacterial and hemostatic properties as well as the ability to considerably speed up wound healing and skin tissue regeneration in the in-vitro and in-vivo tests. In conclusion, this innovative fiber-type medical dressing containing SA, MCC, PVA, and EHW has enormous potential for managing wounds caused by bacteria.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
·
2023
·
IF 8.2
Yue Wang,Chuanbo Ding,Yingchun Zhao,Jinping Zhang,Qiteng Ding,Shuai Zhang,Ning Wang,Jiali Yang,Siyu Xi,Ting Zhao,Chunli Zhao,Wencong Liu
Diabetes-related ulcers are still a therapeutic problem because of their susceptibility to infection, ongoing inflammation, and diminished vascularization . The design and development of novel dressings are clinically urgent for the treatment of chronic wounds due to diabetic ulcers. In this study, we made taxifolin (TAX) loaded sodium alginate (SA)/poly(vinyl alcohol) (PVA) nanofibers for the treatment of chronic wounds. The SA/PVA/TAX nanofibers that have been created are smooth and bead-free, with good thermal stability , hydrophilicity , and mechanical properties. The release profile indicated a sustained drug release , with a cumulative release rate of 64.6 ± 3.7 % at 24 h. In vitro experiments have shown that SA/PVA/TAX has good antibacterial activity , antioxidant activity , and biocompatibility. In vivo experiments have shown that SA/PVA/TAX exhibits desirable biochemical properties and is involved in the diabetic wound healing process by promoting cell proliferation (Ki67), angiogenesis (CD31, VEGFA), and alleviating inflammation (CD68). Western blotting experiments suggest that SA/PVA/TAX may promote diabetic wound healing by inhibiting the TLR4/NF-κB/NLRP3 signaling pathway and upregulating the expression of VEGFA and PDGFA . The 16S rRNA sequencing results showed that SA/PVA/TAX increased the wound surface flora's diversity and reversed the skin microbiota's structural imbalance. Therefore, SA/PVA/TAX can promote diabetic wound healing by modulating the inflammatory response, angiogenesis, and skin flora and has the potential to be an excellent wound dressing.
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ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
·
2023
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IF 5.8
Wang Xiangyu,Wu Lan,Ma Jun
The aggregation of nanoscale zero-valent iron (NZVI) is one of the biggest challenges for its application when treating contaminants in aquatic environment. We report a study on synthesis of sodium carbonate-modified biochar (BC-600) combined with sodium alginate (SA)-modified NZVI (SA/NZVI@BC-600) for the removal of tetracycline (TC). When the initial concentration of TC was 20 mg/L, 100% TC was removed by SA/NZVI@BC-600 at an initial pH of 7 under room temperature of 25 °C within 90 min. In addition, the reactivity of the SA/NZVI@BC-600 composites toward TC removal was not obviously declined after 4 cycles. SA/NZVI@BC-600 shows high reactivity, stability, and reusability. This excellent performance of SA/NZVI@BC-600 was related to the addition of SA and BC-600. The best performance of the SA/NZVI@BC-600 system was observed under weakly acidic and neutral conditions. Increasing the initial concentration and lowering the reaction temperature had a slight negative effect on the removal of TC by SA/NZVI@BC-600. In addition, the presence of CO 3 2− and HCO 3 − had a significant negative effect on the degradation of TC. Meanwhile, ·OH and ·O 2 − played the leading role in TC degradation. This study not only reported a novel strategy of synthesizing an excellent BC modified NZVI based catalyst but also evaluated its promising application for antibiotic degradation in aqueous solution.
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