Food Bioscience
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2026
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IF 6.2
Hui Zhou,Yanqian Gong,Bo Liu,Qingwu Shen,Quan Sophia He,Jie Luo,Qian Xiao
To address the limitations of high moisture sensitivity and lack of bioactivity in polysaccharide-based packaging, pullulan-cellulose nanocrystal (CNC) composite films were functionalized with a thymol-decanoic acid based hydrophobic deep eutectic solvent (TD-HDES). Two distinct fabrication strategies, mixing-hot pressing (MHP) and immersion-hot pressing (IHP), were developed and compared. At equivalent TD-HDES loadings, IHP-prepared films exhibited significantly superior water vapor barrier properties, surface hydrophobicity, and antioxidant and antibacterial properties compared to their MHP counterparts. Infrared spectroscopy and scanning electron microscopy revealed a surface accumulation of TD-HDES in IHP films, forming a distinct HDES-enriched surface layer driven by pressure- and temperature-induced migration. While TD-HDES incorporation reduced thermal stability without altering the crystalline structure of the pullulan-CNC matrix, the MHP method yielded higher mechanical strength and toughness due to better bulk integration. A shelf-life study demonstrated that IHP-fabricated films effectively preserved fresh rice noodles. After 4 days at 4°C, samples exhibited lower total plate counts, inhibited hardness and chewiness, and reduced cooking loss compared to polyethylene or pure pullulan-CNC films. This study highlights the potential of IHP-induced surface engineering for developing high-performance bioactive packaging for starch-based foods.
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DOI
高影响因子
FOOD CHEMISTRY
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2024
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IF 8.5
Arif Rashid,Abdul Qayum,Syed Asim Shah Bacha,Qiufang Liang,Yuxuan Liu,Lixin Kang,Zhuzhong Chi,Runhao Chi,Xu Han,John-Nelson Ekumah,Muhammad Safi Ullah Virk,Xiaofeng Ren,Haile Ma
Clove essential oil (CEO) exhibited potent antibacterial efficacy and are obtained from Eugenia caryophyllata tree flower buds. Herein, CEO nanoemulsions were prepared using various concentrations of casein protein treated with ultrasound for different time interval. The study demonstrated that CEO nanoemulsions with 5% casein protein subjected to ultrasound for 10 min displayed the most minimal particle size. The pullulan‑sodium alginate film incorporated with nanoemulsions treated with ultrasound exhibited enhanced physico-mechanical characteristics. Based on the structural analysis, the application of ultrasonic treatment improved intermolecular compatibility and organized molecular structure by strengthening hydrogen bonds . Furthermore, the composite film displayed remarkable efficacy against E. coli and S. aureus as well as longer retention of essential oils. The use of the developed films to protect cherry fruits and mushrooms produced promising results, emphasizing their potential in food packaging applications.
研究领域:
食品科学
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材料科学
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微生物学
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DOI
PubMed
高影响因子
CARBOHYDRATE POLYMERS
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2026
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IF 13.2
Xingnan Wang,Yike Han,Wenzhi Lei,Hongcai Li,Shiqi Li,Zhenpeng Gao
This study aimed to develop sustainable bioactive absorbent pads as a green alternative for meat packaging. Gelatin (Gel) self-assembled nanocarriers were constructed to encapsulate epigallocatechin gallate (EGCG), yielding Gel@EGCG nanoparticles with an encapsulation efficiency of 76.18% and a loading capacity of 10.65%. Subsequently, these nanocomposites were incorporated together with natural crosslinker tannic acid (TA) into a κ-carrageenan/pullulan (Car/Pul) matrix to fabricate biopolymer absorbent pads (CPTGE). The resulting three-dimensional porous structure (stabilized by hydrogen bonding and electrostatic interactions) endowed CPTGE pads oil–water superabsorbent characteristics, while reinforcing compressive resistance. Moreover, CPTGE2 (Car/Pul containing TA and 0.2%wt Gel@EGCG) effectively scavenged 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) free radicals, with inhibition rates of 86.72% against Escherichia coli and 92.07% against Staphylococcus aureus , conferring active antioxidant and antibacterial activities. Notably, CPTGE2 significantly delayed quality deterioration by suppressing myoglobin oxidation (reducing metmyoglobin content by 50.47%) and lipid peroxidation (lowering thiobarbituric acid reactive substances [TBARS] values by 51.10%), ultimately extending beef shelf life. This provides new insights for designing active packaging that integrates efficient liquid absorption with antimicrobial and antioxidant functions.
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DOI
PubMed
高影响因子
FOOD RESEARCH INTERNATIONAL
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2026
·
IF 8.8
Chuang Zhou,Li Zhang,Zhengang Zhao,Yunhao Liu,Ziming Yang,Puwang Li
Phenolic acids grafting enhanced the DPPH/ABTS + radical scavenging activity of CMCS. • CEO submicron emulsions stabilized by CMCS-g-GA showed 60-day storage stability. • Films loaded with CEO submicron emulsions extended shelf life of mango by 5–10 days. Food packaging films with antibacterial and antioxidant properties play a crucial role in the postharvest preservation of fruits. In this study, pullulan/polyvinyl alcohol (PUL/PVA) composite films incorporated with cinnamon essential oil (CEO) Pickering emulsions with submicron droplets stabilized by carboxymethyl chitosan modified with gallic acid (CMCS-g-GA) were fabricated for mango preservation. Antioxidant assays revealed that CMCS-g-GA at 50.0 μg/mL exhibited DPPH and ABTS + radical scavenging rates of 91.06% and 93.40%, respectively, representing 8.46-fold and 10.37-fold increases compared to those of unmodified CMCS. The prepared CEO emulsion, consisting of submicron droplets with an average size of approximately 704 nm, exhibited excellent storage and centrifugal stability, showing no phase separation after 60 days of storage or centrifugation at 2000 rpm for 2.5 h. Incorporation of the CEO emulsion enhanced the antibacterial and barrier properties of composite films (PP/CG-CEO), with the PP/CG-CEO20 film exhibiting the lowest water vapor permeability (3.61 × 10 −10 g/m·s·Pa) and oxygen permeability (3.53 × 10 −10 g/m∙s∙Pa). Room-temperature storage experiments demonstrated that the PP/CG-CEO coating films exerted an effective preservative effect on mangoes, maintaining the postharvest quality, enhancing antioxidant enzyme activity, delaying yellowing, and retarding the respiratory peak. These results demonstrated that the multifunctional cinnamon essential oil Pickering emulsion films have practical potential as eco-friendly packaging for postharvest fruit preservation. Download: Download high-res image (158KB) Download: Download full-size image
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高影响因子
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2025
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IF 8.5
Mingzhen Kang,Mojtaba Koosha,Tianduo Li,Xiwen Geng
In this study, pullulan was oxidized by NaIO 4 into low, medium and high oxidation degrees (OPL1,OPL2,OPL3) and used as a crosslinker to enhance physicochemical and biological properties of the wound dressings based on polyvinyl alcohol(PVA)/chitosan/collagen (FPL,FOPL1,FOPL2,FOPL3). Physicochemical, mechanical and biological properties of OPL samples as well as crosslinked films were characterized. The results showed that OPL not only increased the cell viability of human skin fibroblasts but also promoted antibacterial activity. Fourier transform infrared spectroscopy, rheological and gel content results proved the crosslinking effect of OPL. Mechanical properties of FOPL2 and FOPL3 films was >2 times higher than FPL film. The viability of human skin fibroblast cells was higher than the control for all films, and antibacterial activity of the film FOPL3 was significantly higher compared to other films. Wound healing effect of FOPL3 film was evaluated in a methicillin-resistant staphylococcus aureus (MRSA) infected full-thickness skin defect model in mice. The results showed a significantly lower wound area after 7,10,14 days of treatment compared to the control group treated by normal saline. The findings of this research enlighten wound healing potentials of oxidized pullulan to be used as a multifunctional ingredient for the development of future skin care biomaterials.
研究领域:
生物材料学
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医学
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微生物学
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PubMed
高影响因子
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