Impact of Myofibrillar Protein Emulsion With Different Pre-Emulsified Soybean Oil Contents on the Freeze-Thaw Cycles Characteristics of Surimi Gel.

The research examines how myofibrillar protein emulsion with different pre-emulsified soybean oil (PESO) levels (0%, 6%, 8%, and 10%) influences surimi gel across seven freeze-thaw (F-T) cycles. The addition of PESO led to a notable improvement in gel strength and whiteness. Significant increases were also noted in hardness, water-holding capacity (WHC), and the maximum relaxation time of the immobilized water (p < 0.

Enhancement of nutritional and flavor properties of red-fleshed pitaya juice via fermentation.

In this study, the changes in physicochemical properties, antioxidant activity, and volatile/non-volatile metabolites of red-fleshed pitaya () juice during fermentation were comprehensively investigated. The results indicated that significantly increased the total polyphenols, flavonoids, and anthocyanins contents, with the total phenolic content increasing from 0.16 ± 0.

Serotonin alleviates selenium stress and reduces selenium accumulation in seedlings.

To alleviate selenium (Se) stress, the effects of serotonin (SER, 150 μmol/L) on the growth and Se accumulation of seedlings under Se stress (1.0 mg/L) were assessed. The results indicated that SER increased the biomass and photosynthetic pigment content of seedlings under Se stress, while reducing the antioxidant enzymes activities, root Se content, and shoot Se content.

A Novel Glycosylated Ferulic Acid Conjugate: Synthesis, Antioxidative Neuroprotection Activities In Vitro, and Alleviation of Cerebral Ischemia-Reperfusion Injury (CIRI) In Vivo.

Antioxidative neuroprotection is effective at preventing ischemic stroke (IS). Ferulic acid (FA) offers benefits in the treatment of many diseases, mostly due to its antioxidant activities. In this study, a glycosylated ferulic acid conjugate (FA-Glu), with 1,2,3-triazole as a linker and bioisostere between glucose at the C6 position and FA at the C4 position, was designed and synthesized.

Quality Evolution of Turpan Dry Red Wine During Aging Under Controlled Micro-Oxygenation.

During the aging process, oxygen regulation was applied to Cabernet Sauvignon dry red wine (CSDRW) from the Turpan region. Through physicochemical analysis, headspace solid-phase microextraction and gas chromatography-mass spectrometry (HS-SPME-GC-MS), combined with differential significance analysis and sensory evaluation, this study analyzed the effects of different oxygen concentrations on the quality of Cabernet Sauvignon dry red wine from Turpan. The results indicated that oxygen regulation facilitated the polymerization of phenolic substances, enhanced color intensity, and reduced the content of total sulfur and anthocyanins.

Characterization of off-flavor compounds in ready-to-heat roasted catfish after reheating by sensomics approach.

Gas chromatography-electronic nose (GC-E-Nose), gc-ion mobility spectrometry (GC-IMS), and gc-olfactory-mass spectrometry (GC-O-MS) techniques, along with odor recombination and omission experiments, were employed to characterize the off-flavors in commercially available ready-to-heat roasted catfish after reheating. A total of 19 (DR), 11 (HR), and 21 (YR) characteristic compounds were identified across the three samples. The 19 characteristic compounds from the DR group were reconstituted to develop recombination and omission models.

Formulation Optimization and Quality Evaluation of Walnut Protein Sausage Based on Fuzzy Mathematics Sensory Evaluation Combined With Random Centroid Optimization.

To explore new plant protein resources and develop novel walnut-based protein products, sensory scores were adopted as an evaluation index, and seven optimization factors, which included salt, sugar, modified starch, egg white powder, walnut oil, lab-prepared spices, and walnut tissue protein, were selected. A fuzzy mathematics sensory evaluation model integrated with random centroid optimization was developed to optimize the processing parameters of walnut protein sausage. A comparative analysis was conducted, with soy protein sausages, wheat protein sausages, and commercially available vegetarian sausages, based on the basic physicochemical properties, texture characteristics, nutritional functions, and biomimetic sensory qualities of walnut protein sausages.

Encapsulation of essential oils with soy β-conglycinin for strawberry preservation: Influence of oil types.

This study investigated the encapsulation of three types essential oils (EOs, cinnamaldehyde, eugenol and thymol) with soy β-conglycinin (7S) for strawberry preservation. The FTIR, intrinsic fluorescence spectroscopy and molecular docking revealed that the antimicrobial compounds could bind to 7S through hydrophobic interaction and hydrogen bond, leading to the transformation of protein structure and changes in its particle size and hydrophobicity. The mean particle size of EO emulsion was smaller than that of control, especially the CEON group (290 nm), showed high stability against ions and pH.

Cross-food-cultural study of metabolite differences in Asian spicy fermented pastes using combined CIL-LC-MS and GC-MS analysis.

Food culture, shaped by regional environments, ingredients, and fermentation systems, significantly influences the metabolites of fermented foods. Gochujang (GCJ) from Korea and Pixian-Douban (PXDB) from China are widely consumed spicy fermented pastes made from chili peppers and legumes, distinguishing them from hot sauces. However, how fermentation traditions lead to distinct metabolite profiles has not been systematically investigated.

Versatile potential of dielectric barrier discharge cold plasma in alleviating texture softening of pickled radishes during package storage by tuning microstructure, targeting cell-invading yeast and inactivating pectin-degrading enzyme.

The objective of the present study was to investigate the effect of dielectric barrier discharge cold plasma (DBD-CP) on texture, microstructure, physicochemical properties, pectin degradation, and microbial composition of pickled radishes during storage. Results showed that, when compared with control (without treatment) and blanching, DBD-CP achieved the 10.20 %-108.

Engineered Halomonas sp. Y3 enables highly efficient upcycling of poly(ethylene terephthalate) to polyhydroxyalkanoates.

The global plastic crisis demands innovative solutions for recycling polyethylene terephthalate (PET), a chemically stable polymer constituting 23 % of annual plastic waste. This study presents a significant advance in PET upcycling using engineered Halomonas sp. Y3, a halophilic bacterium uniquely suited for industrial bioprocessing.

Towards healthier surimi: quality and nutritional benefits of flaxseed gum as a fat replacer in grass carp surimi gels.

This study evaluated the effects of replacing animal fat with flaxseed gum (FG) on the quality of grass carp surimi gels. Moderate FG substitution improved gel strength, elasticity, and texture. Low-field nuclear magnetic resonance analyses indicated that 60 % FG enhanced moisture distribution.

Efficient expression of a novel -amylase for reduction of tobacco starch and smoke hazard.

The combustion of excessive starch in tobacco leaves leads to more harmful substances, adversely affecting the sensory properties of tobacco and posing significant risks to human health. Therefore, there is an urgent need to develop specific amylases targeting tobacco starch to address these issues. In this study, 5 different -amylase genes were selected for recombinant expression in BAX-5, and the (derived from MK10163) was confirmed to be the optimal gene.

Investigating the influence of Co irradiation on the aging aroma components of soy sauce aroma type baijiu by integrating -nose, GC-MS, GC-IMS, and chemometric methods.

To evaluate the feasibility of 60Co irradiation for rapid aging of SSATB, this study employed fresh SSATB (CK) as a benchmark while subjecting test samples to irradiation for 12 h, 24 h, 36 h, and 48 h, natural aging for five years (5Y) as a contrast. Three analytical platforms, -nose, HS-SPME-GC-MS, and GC-IMS, were used to comprehensively characterize the aroma profiles. The result shows, distinguished significant aroma differences among groups.

Yeast β-glucan ameliorated Salmonella-induced gut impairment in broiler chickens by modulating gut microbiome.

Yeast β-glucan (YG) was reported to control Salmonella infection in poultry. Gut microbiota plays an important role in regulating immune functions and intestinal health. However, it is still unclear whether YG protects chickens from Salmonella infection by regulating gut microbiota.

High-entropy nanozyme-driven "Chinese acupuncture" hydrogel microneedles for combined therapy of infected scalds.

Bacterial infections, especially those caused by antibiotic-resistant (), hinder the healing of scalds in food processing environments. This study developed a high-entropy nanozyme (HEzyme) hydrogel system that exhibited efficient reactive oxygen species (ROS) and photothermal antibacterial effects. The HEzyme was synthesized using a carbon-oxygen-silicon framework-assisted method, incorporating multiple metal species (CoNiCuZnCe).

Enhancement of Polyvinyl Alcohol-Based Films by Chemically Modified Lignocellulosic Nanofibers Derived from Bamboo Shoot Shells.

In this study, polyvinyl alcohol (PVA) films were reinforced with lignocellulosic nanofibers (LCNFs) extracted from bamboo shoot shells using a choline chloride-based deep eutectic solvent (DES). A filler loading of 10 wt% was identified as the optimal condition for enhancing film performance. To improve interfacial compatibility between the PVA matrix and LCNFs, three surface modification treatments were applied to the nanofibers: hydrochloric acid (HCl) hydrolysis, citric acid (CA) crosslinking, and a dual modification combining both methods (HCl&CA).

In vitro simulated digestion and fermentation characteristics of pumpkin polysaccharides and their effects on the human gut microbiota.

Although pumpkin polysaccharides have numerous health benefits, limited studies have investigated the impact of pumpkin polysaccharide digestion and fermentation characteristics on its biological activity. Herein, pumpkin polysaccharides (PPs) were subjected to simulated saliva-gastric-small intestinal digestion, followed by in vitro fermentation using healthy human faecal microbiota. Results indicate that PPs, acidic heteropolysaccharide with a molecular weight of 2.

Leveraging ultra-micro crayfish shell powder to modulate protein digestion and health benefits in silver carp surimi.

This study examined the effects of ball-milled crayfish shell powder (MD) and ball milling combined with irradiation crayfish shell powder (MID) on the digestion behaviors of silver carp surimi. During simulated digestion, surimi supplemented with crayfish shell powder exhibited reduced protein digestibility and hydrolysis. Furthermore, compared to surimi without crayfish shell powder, these samples showed larger digestate particle size, enhanced cholesterol-lowering activity, and increased release of essential amino acids.

Novel Computational Approaches in the Discovery and Identification of Bioactive Peptides: A Bioinformatics Perspective.

Bioactive peptides are protein molecules known for their specific biological functions, offering promising applications across various fields including medicine, food, and cosmetics. Traditional approaches to the investigation of bioactive peptides typically encompass extraction, separation, purification, identification, and experimental evaluation. However, these methodologies are frequently subject to human-related variables, which consequently lead to reduced efficiency and compromised accuracy.

Binding interaction between rice bran albumin and sweet potato leaves polyphenol: Multi-spectroscopic and simulated molecular docking analysis.

In this study, the changes in functional properties and binding mechanisms at the molecular level of a non-covalent complex formed between sweet potato leaf polyphenols (SPLPs) and rice bran albumin (RBA) were investigated. Multi-spectral analysis indicated that SPLPs statically quenched the intrinsic fluorescence of RBA, and fitting to a double logarithmic equation revealed that hydrogen bonding constituted the primary driving force behind this interaction. Consequently, the conformational structure, microenvironment, and surface hydrophobicity of RBA were significantly impacted.

Construction of new thermostable MtLPMO9V in synergism with cellulases for efficient lignocellulosic hydrolysis.

Lytic polysaccharide monooxygenases (LPMOs) can promote cellulose hydrolysis by disrupting its crystalline zone. This study focused on an uncharacterized thermophilic Myceliophthora thermophila LPMO (MtLPMO9V) in synergism with cellulases for efficient ligocellulosic hydrolysis. After MtLPMO9V was successfully expressed in P.

Pollution characteristics and health risk assessment of organophosphate esters in agricultural products from different regions of China.

Organophosphate esters (OPEs) have been extensively utilized as flame retardants and plasticizers, raising significant concerns because of their persistence in the environment, mobility, and potential health risks. This study systematically analyzed the occurrence, spatial distribution, and health risks of 21 target OPEs in 232 agricultural product samples (including vegetables, fruits, grains, and animal products) collected from five regions in China: Shanghai, Liaoning, Qinghai, Sichuan, and Tibet. The results showed that the ∑ OPEs concentrations ranged from ND (not detected) to 2381.

Identification and Expression Analysis of Polyphenol Oxidase Gene Family Members in Response to Wound Stress in Lettuce ( L.).

Mechanical injury to lettuce often leads to enzymatic browning caused by polyphenol oxidase (PPO), significantly impairing its sensory quality and processing suitability. In this study, the gene family was comprehensively identified and characterized using bioinformatics methods, including gene and protein structure, codon usage bias, phylogenetic relationships, and gene expression in response to wound stress. Further analysis of the relationship between expression profile and browning was performed.

Chitosan-platinum nanozyme-mediated ratiometric fluorescent immunosensor with dual catalytic cascades for sensitive detection of fenitrothion.

Organophosphorus pesticide residues pose significant threats to food safety and environmental health, and their monitoring methods demand sensitivity and anti-interference capability. In this study, we developed a novel ratiometric fluorescent immunosensor for fenitrothion (FN) detection by employing chitosan-modified platinum nanoparticles (Ch-Pt NPs) as catalytic nanozymes. Ch-Pt NPs exhibit oxidase-mimicking activity, enabling the oxidation of ascorbic acid (AA) and o-phenylenediamine (OPD) to produce dehydroascorbic acid (DHAA) and 2,3-diaminophenazine (DAP, Em = 568 nm), respectively.