Differences and mechanisms of color deterioration in three types of ready-to-eat shellfishes during storage.

Ready-to-eat (RTE) abalones, scallops and oysters were prepared through a process of cooking, drying, vacuum packaging, and high-temperature sterilization, and were subjected to accelerated storage. Upon storage, the three RTE shellfishes all showed color deterioration, as indicated by darker color, decreased L* and W* values, and increased a* value. In contrast, the color deterioration of RTE oysters was more pronounced.

Effect of cooking conditions on sea urchin dumplings.

The objective of this study was to investigate the changes in flavour and taste of sea urchin dumplings subjected to different cooking methods, utilising gas chromatography-ion mobility spectrometry (GC-IMS), electronic tongue (E-tongue) analysis, free amino acid content assessment and sensory evaluation. The GC-IMS technique successfully detected 69 volatile compounds in the skin and 60 volatile compounds in the filling of the boiled dumplings. From the established fingerprints, it was found that there were significant differences in the flavour compounds of dumplings skins among the groups.

Collagen peptides alleviate estrogen deficiency-induced osteoporosis by enhancing osteoblast differentiation and mineralization.

Background: Osteoporosis is a systemic skeletal disorder characterized by decreased bone mass and impaired bone microarchitecture because of an imbalance between bone resorption and formation. Existing pharmacological treatments often have significant side effects and mainly focus on inhibiting bone resorption. Other than inhibiting osteoclast-mediated bone resorption, the present study also investigates the potential role of sheepskin collagen peptide (SSCP) in bone formation by promoting osteoblast proliferation, differentiation and mineralization.

Angiotensin-I-converting enzyme inhibitory peptides from eel () bone collagen: preparation, identification, molecular docking, and protective function on HUVECs.

Introduction: Hypertension is a chronic cardiovascular disease, which can trigger some disease such as heart failure, loss of vision or kidney. There were various peptides derived from food that are recognized for their ability to inhibit ACE activity, potentially leading to a reduction in blood pressure levels . The primary objective of this research is to discover ACE inhibitory peptides from protein hydrolysates of eel bone collagen (EBCHs).

Selenium nanoparticles decorated by fucoidan induce ferroptosis in HepG2 cells.

Unlike apoptosis, necrosis and autophagy, ferroptosis is a novel type of regulated cell death, and the mechanism by which selenium nanoparticles induce ferroptosis in cancer cells has rarely been investigated. To investigate the mechanism of inhibition of HepG2 cell proliferation by fucoidan-selenium nanoparticles (FD-SeNPs) by inducing ferroptosis. The mechanism was explored by detecting ROS, MDA, GSH and Fe and utilizing TEM and Western blot assay.

High-pressure homogenization transformed salmon protein filament into micelle structure: Improvement on the stability and swallowing rheology of dysphagia-oriented salmon emulsion gels.

The aging population is stimulating increased demand for dysphagia-oriented foods, yet most current options are made of ultra-processed macronutrients and lack high-quality protein and ω-3 fatty acids. This study explores the use of whole salmon fillets as a myofibrillar protein source to stabilize salmon backbone oil, creating ω-3-rich emulsion gels (50-60 vol%) for dysphasia individuals. Two-step high-pressure homogenization (HPH; 50 MPa) improved emulsion texture, storage stability, and swallowability (IDDSI level 4) by reducing oil droplet size (from 20 to 2 μm) and increasing elastic modulus by 6-8 times and viscosity by more than 10 times.

Elevating the critical gelling concentration of soy protein by disulfide bond cleavage during preheating treatment.

There has been a growing demand for the development of high protein beverages in the food industry. However, during thermal processing, high-protein beverages undergo protein aggregation and gelation. In this study, thermostable soy protein was prepared by disulfide bond cleavage combined with preheating treatment.

Mechanically Resilient, Self-Healing, and Environmentally Adaptable Eutectogel-Based Triboelectric Nanogenerators for All-Weather Energy Harvesting and Human-Machine Interaction.

Triboelectric nanogenerators (TENGs) have garnered significant attention for mechanical energy harvesting, self-powered sensing, and human-machine interaction. However, their performance is often constrained by materials that lack sufficient mechanical robustness, self-healing capability, and adaptability to environmental extremes. Eutectogels, with their inherent ionic conductivity, thermal stability, and sustainability, offer an appealing alternative as flexible TENG electrodes, yet they typically suffer from weak damage endurance and insufficient self-healing capability.

Hydrogel-Assisted Robust Supraparticles Evolved from Droplet Evaporation.

Supraparticles, formed through the self-assembly of nanoparticles, are promising contenders in catalysis, sensing, and drug delivery due to their exceptional specific surface area and porosity. However, their mechanical resilience, especially in dimensions spanning micrometers and beyond, is challenged by the inherently weak interactions among their constituent building blocks, significantly constraining their broad applicability. Here, we have exploited a robust supraparticle fabrication strategy by integrating hydrogel components into the assembly system and evaporating on the superamphiphobic surface.

Novel functional hydrogels based on lignin‑silver nanoparticles with adhesion, antimicrobial, antioxidant and anti-freezing properties for wound dressings and pressure strain sensors.

As wound dressings and wearable electronics advance, it is critical to develop an efficacious strategy for integrating a variety of powerful functions into hydrogels. In this work, sodium lignosulfonate‑silver nanoparticles and the functional [2-(methacryloyloxy) ethyl] dimethyl-(3-sulfopropyl) ammonium hydroxide structure (SBMA) are introduced into the multifunctional lignin-based hydrogel system. The sodium lignosulfonate‑silver nanoparticles, by catalyzing multiple redox reactions, facilitate the swift curing of hydrogels at room temperature.

Pd/Cu-TCPP(Fe)-polydopamine mediated magnetic relaxation switching immunosensor for sensitive detection of chlorpyrifos.

This study presents the development of a magnetic relaxation switching (MRS) immunosensor for the sensitive detection of chlorpyrifos (CPF) with a signal amplification strategy using Pd/Cu-TCPP(Fe) hybrid nanosheets and polydopamine (PDA). Pd/Cu-TCPP(Fe) nanosheets, which exhibit high peroxidase-like activity and excellent storage stability, making them suitable replacements for natural enzymes in biosensors, are further functionalized with goat anti-mouse IgG (Ab) to construct an immunosensor. The mechanism relies on the competition between free CPF and the immobilized bovine serum albumin-CPF conjugates for antibody binding, which modulates the aggregation of magnetic nanoparticles (MNPs) that are related to the transverse relaxation time.

Fucoidan-Mediated Covalent Modification Mitigates Allergenicity of Shrimp () in Mice via Enhanced Intestinal Barrier Function and Antigen Presentation Suppression.

Covalent modification is an effective strategy for reducing the allergenicity of single allergens. However, due to the complexity of the food matrix, its application in hypoallergenic food production requires further exploration. The study showed that covalent modification of fucoidan decreased the specific antibody levels, inhibited Th2 cell differentiation, and reduced mast cell degranulation, suggesting that it significantly reduced the allergenicity of .

Solid-state fermentation of corn wet distiller grains and wheat bran with Trichoderma reesei and Candida utilis for improving feed value.

Background: Solid-state fermentation is one of the most effective methods for the high-value utilization of agro-industrial by-products. Co-fermentation of wet distiller grains and agricultural waste is an effective way to mitigate the feed shortage caused by corn consumption for bioethanol. It is still challenging to convert wet distiller grains and wheat bran to easily accessible carbon sources and adjust the balanced proportion of amino acids together by fermentation.

Pathway and protein channel engineering of for improved production of desthiobiotin and biotin.

Biotin (vitamin B) is a crucial cofactor for various metabolic processes and has significant applications in pharmaceuticals, cosmetics, and animal feed. , a well-studied Gram-positive bacterium, presents a promising host for biotin production due to its Generally Recognized as Safe (GRAS) status, robust genetic tractability, and capacity for metabolite secretion. This study focuses on the metabolic engineering of .

Effects of Different Production Methods on the Quality and Microbial Diversity of Sauerkraut in Northeast China.

Sauerkraut is a popular fermented food in Northeast China. However, owing to the different production methods used, the quality of commercial sauerkraut is often quite different, which is reflected mainly in the differences between starter culture (Group-L), additive addition (Group-P) and natural fermentation (Group-H) methods. The purpose of this study was to explore the differences among the three fermentation methods by measuring physical and chemical indices, microbial diversity indices, flavour indices and volatile substances.

Recent Applications and Prospects of Enzymes in Quality and Safety Control of Fermented Foods.

Fermented foods have gained global attention for their unique flavor and immense health benefits. These flavor compounds and nutrients result from the metabolic activities of microorganism during fermentation. However, some unpleasant sensory characteristics and biohazard substances could also be generated in fermentation process.

Classification of Chicken Carcass Breast Blood-Related Defects Using Hyperspectral Imaging Combined with Convolutional Neural Networks.

For chicken carcass breast blood-related defects (CBDs), which occur with high frequency, the visual features are approximated in terms of the similarity of the composition of these defects, making it challenging to classify them, either manually or automatically, using conventional machine vision. The aim of this paper was to introduce a method of CBD classification based on hyperspectral imaging combined with Convolutional Neural Networks (CNNs). To process hyperspectral data, the Improved Firefly Band Selection Algorithm was constructed with the 1-D CNN CBD classification model as the objective function, achieving a reduction in the dimensionality of hyperspectral data.

Effect of tea polyphenols on the quality of Mackerel puree () during refrigerated storage: Color, oxidative stability and microstructure.

This study investigated the impact of adding tea polyphenols (TP) on the quality of mackerel puree during refrigerated storage. The study used whole mackerel fish and analyzed the sensory characteristics, physicochemical properties, and microstructure of the puree. As storage time increased, significant changes occurred in the puree, including increased levels of thiobarbituric acid value, protein carbonyl, and free radicals.

Thermal insulation and absorption aerogel based on waste silk and upcycled aramid fibers.

Biomass-based aerogel with lightweight and high sustainability is desired for various applications such as thermal insulation, self-cleaning, and oil contaminant removal. However, systematic comparison and thorough investigation are required to understand the effects of constituent materials and structures on the application properties of biomass-based aerogels. Herein, the construction of superhydrophobic aerogel with controllable hierarchical structure and great reusability was optimized applying a novel design based on the waste silk-derived microfibrillated fibers and microfibrillated aramid fibers.

Effect of cold plasma synergistic acid induction on the quality characteristics of casein gel.

Dielectric barrier discharge cold plasma (DBD-CP) technology was used to modify casein acid-gel. The effect of DBD-CP on gel was evaluated in terms of gel quality, texture, antibacterial activity and structure. The results showed that the water holding capacity (WHC) and electrical conductivity of the gel were significantly increased after DBD-CP treatment, and WHC was increased from 66.

Ultrahard and Ultraflexible Supramolecular Hydrogel with Superenergy Dissipating Structure for Biomimetic Skin.

How to integrate the "soft" (flexibility and self-healing properties) and "hard" (shape retention) into the supramolecular hydrogel system is an attractive challenge. In this work, a supramolecular hydrogel with an energy dissipation structure is designed and prepared for intelligent biomimetic skin. Lignin molecules with disulfide bonds of fracture and healing activities are introduced into the hydrogel system through covalent bonds.

Tea marinating-induced improvement of quality in roasted chicken: The potential relationship between tea, flavor, and hazardous substances.

The levels of flavor compounds and hazardous compounds are important indicators for evaluating high-temperature roasted food. In this paper, the effect of tea pre-marination on non-volatile compounds, volatile compounds, and hazardous compounds in roasted chicken. The results showed that the total content of key umami non-volatile compounds in roasted chicken marinated with green tea, white tea, and black tea increased by 17.

One-Pot Production of Cinnamonitriles from Lignin β-O-4 Segments Induced by Selective Oxidation of the γ-OH Group.

The construction of N-containing aromatic compounds from lignin is of great importance to expanding the boundary of the biorefinery and meeting the demand for value-added biorefinery. However, it remains a huge challenge due to the complex lignin structure and the incompatible catalysis for C-O/C-C bond cleavage and C-N formation. Herein, sustainable synthesis of cinnamonitrile derivatives from lignin β-O-4 model compounds in the presence of 2,2,6,6-tetramethylpiperidine oxide (TEMPO), (diacetoxyiodo)benzene (BAIB), and a strong base has been achieved in a one-pot, two-step fashion under transition-metal-free conditions.

Lipid-based nanoparticles for drug delivery in Parkinson's disease.

Parkinson's disease (PD) is a neurodegenerative disorder that predominantly affects dopaminergic neurons in the substantia nigra and ventral tegmental area, resulting in symptoms such as tremors, muscle rigidity, bradykinesia, and potential cognitive and affective disturbances. The effective delivery of pharmacological agents to the central nervous system is hindered by various factors, including the restrictive properties of the blood‒brain barrier and blood‒spinal cord barrier, as well as the physicochemical characteristics of the drugs. Traditional drug delivery methods may not provide the therapeutic concentrations necessary for functional restoration in PD patients.