FOOD CHEMISTRY
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2025
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IF 9.8
Yanping Huang,Zengliu Song,Yang You,Yunqi Li,Tongfei Shi,Jie Xiao
The spatial distribution of fat crystals significantly impacts the stability and digestion properties of emulsions. This study investigated the templating effect of monoglycerides in controlling the spatial distribution of solid fat crystallization within double emulsions. Double emulsions were formulated with glyceryl monostearate (GMS), glyceryl monolaurate (GML), glyceryl monooleate (GMO), beeswax (BW), glyceryl distearate (GDS), and glyceryl tristearate (GTS) in the oil phase. Monoglycerides influenced the spatial distribution pattern of BW crystals, while minimally affecting GDS and GTS. Cooling at 4 °C increased interfacial crystallization without altering distribution patterns. Monoglycerides raised the onset and peak crystallization temperatures and enthalpy in BW emulsions, with GMS showing the most significant effects. Adding GMS slowed nucleation rates and extended induction times, promoting interface crystallization. The templating effect also reduced crystal lamellar thickness, facilitating the transition from β-crystalline to β’ crystalline in BW. These findings provide insights into selecting crystallizing emulsifiers and enhancing double emulsion stability.
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CHEMICAL ENGINEERING JOURNAL
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2024
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IF 13.3
Sining Huang,Sean Xiao-An Zhang,Xueren Qian,Yonghao Ni,Zhibin He,Lan Sheng,Jing Shen
Biomimetics has revolutionized materials innovation by drawing inspiration from biological systems. Cellulosic paper, a sustainable biomaterial, offers immense potential for biomimetic research. Paper-based biomimetic materials, which replicate the structures and functionalities of natural materials by utilizing the cellulosic fiber network as a substrate or skeleton, provide customizable functional properties, thereby enabling advanced applications. Here, we introduce rice-leaf-mimetic paper, inspired by the leaf’s microstructure and biowax-based cuticle. This paper exhibits self-cleaning superhydrophobicity and showcases possibilities for additional functionalities, including antibacterial properties and food preservation, as evidenced in our prior research. We propose its utilization as a substrate for rewritable and biolubricant-infused surfaces. These somehow distinct surfaces draw inspiration from the chemistry and microstructure of the rice leaf. Although incorporating hydrochromic dyes enables rewritability, controlling the retention time of colors remains challenging. The biowaxy structure of the paper prolongs color maintenance by inhibiting water evaporation. Moreover, the hierarchically rough microstructure of rice-leaf-mimetic paper effectively stores biolubricant molecules, reducing friction and enhancing slipperiness. Surface microcavity ratio analysis provides insights into the paper's biolubricant-storability. The surface engineering of rice-leaf-mimetic paper using hydrochromic dyes or biolubricants holds potential for designing novel materials. Unveiling the vast potential of easily scalable papermaking processes alongside biomimetics and surface engineering opens new avenues for materials innovation.
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INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
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2024
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IF 7.7
Qinbo Jiang,Kaini Chen,Zhe Cai,Yang Li,Hui Zhang
Algal proteins are an emerging source of functional foods. Herein, Chlorella pyrenoidosa protein (CPP)/xanthan gum-based hydrogels (HG) and beeswax-gelled oleogels (OG) are adopted to fabricate bigels. The phase inversion of bigels can be regulated by the ratio of OG and HG: As the OG increased, bigels turn from OG-in-HG (OG/HG) to a semicontinuous state and then HG-in-OG (HG/OG). In OG/HG bigels (OG ≤ 50 %), hydrophilic CPP acts as the emulsifier at the interface of OG and HG, while beeswax emulsifies the system in HG/OG bigels (OG = 80 %). A semicontinuous bigel appears during the transition between HG/OG and OG/HG. The increase of OG can enhance the viscoelasticity, hardness, adhesiveness, chewiness, and thermal stability. OG/HG bigels exhibit stronger thixotropic recovery and oil-holding capacity than HG/OG bigels. In the in-vitro digestion and food 3D printing, the high specific surface area and the highest thixotropic recovery caused by the emulsion structure of the OG/HG bigel (OG = 50 %) are conducive to the release of free fatty acids and molding of 3D-printed objects, respectively. This study provides a new approach to structure the gelled water-oil system with CPP and helps to develop edible algal proteins-based multiphase systems in food engineering or pharmacy.
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BIORESOURCE TECHNOLOGY
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2025
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IF 9
Hongsheng Dong,Fangzheng Zhou,Chengyi Lu,Pengfei Lv,Junlin Chen,Yongchen Song
The development of shape-stabilized phase change materials (PCMs) for solar-thermal energy storage faces a trade-off: while conventional petroleum or mineral-derived systems achieve high energy density, they raise concerns about resource depletion and environmental impact. Here, we address this challenge by applying a circular economy approach, transforming waste coffee grounds and beeswax (BW) into a fully bio-based composite PCM that combines sustainable attributes with performance characteristics relevant for practical applications. A hierarchically porous carbon aerogel, prepared by carbonization of coffee waste, serves as a structural support for vacuum-impregnated BW and demonstrates a PCM loading capacity of 78.8 %. The composite exhibits a phase change enthalpy of 135.3 J/g at 48.7°C and maintains 98.2 % of its capacity after 500 thermal cycles. Under thermal stress conditions (70°C, 4 h), the material shows no detectable leakage. Additionally, the biochar framework enables dual functionality: efficient solar absorption and heat storage, yielding an 89.0 % solar-thermal conversion efficiency under a light intensity of 100 mW/cm 2 . The real-time temperature profile shows that phase transition aligns with variations in solar input, as evidenced by a stable 48°C plateau during energy storage. By marrying waste valorization with leak-proof thermal storage, this work establishes a promising and scalable approach for developing next-generation bio-based energy materials. The coffee ground-derived composites combine renewable feedstock, straightforward preparation, and long-term cyclic durability, suggesting their potential as candidate materials for solar thermal harvesting and storage applications.
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