How thawing and salting affects the post-cooked quality of frozen beef: New insights into the mechanism of fiber morphology evolution and water migration.

To get insight into the thawing and salting in recovery and protection mechanisms on quality in frozen meat after subsequent cooking. The myofiber morphological-water evolution and quality changes in beef during freezing-thawing-cooking and freezing-cooking treatments were investigated. The cooking losses of fresh-cooked, frozen-cooked, and frozen-thawed-cooked samples were 27.

Fates of bioactive compounds and antioxidant activities of red pitaya pulp upon in vitro gastrointestinal digestion.

Health benefit effects of bioactive compounds depend on their bioavailabilities, which could vary according to factors including food matrix and digestion environment. To understand the "bioaccessible" health benefit of red pitay pulp, the INFOGEST static in vitro simulation of gastrointestinal (GI) digestion model and targeted metabolomics method were applied to unravel the fates of bioactive compounds in the whole food of red pitaya pulp during GI digestion. The antioxidant activity as one of the health benefit indices was also assessed to compare the changes in bioactive properties of red pitaya pulp.

Antibacterial mechanism of vitamin K-mediated photodynamic inactivation against Pseudomonas fluorescens and its influences on blunt bream (Megalobrama amblycephala) quality.

Photodynamic inactivation (PDI) has emerged as a novel non-thermal process technology for inactivating microorganisms due to its low cost, safety, and efficiency. This study aimed to investigate the antimicrobial effect of VK-mediated PDI against Pseudomonas fluorescens (P. fluorescens) and to assess its impact on the quality of the blunt bream contaminated with P.

Unlocking dual-mode enzyme activities on bacterial surface: Directional recognition and swift capture of Alicyclobacillus acidoterrestris from fruit juices.

The acidophilic and heat-resistant characteristics of Alicyclobacillus acidoterrestris (A. acidoterrestris) pose significant challenges to fruit juice production. Traditional thermal removal methods are often ineffective against this resilient bacterium.

Structural, physicochemical and in vitro digestibility of white kidney bean protein-corn starch complexes under various heat treatments.

The presence of exogenous protein can delay starch digestion. However, systematic studies on the effects of protein on starch digestion under various heat treatments still need to be completed. In this study, the effects of exogenous protein and heat treatments on corn starch digestibility were investigated.

Chrysanthemum morifolium Ramat. as a traditional tea material: Unraveling the influence of kill-green process on drying characteristics, phytochemical compounds, and volatile profile.

The dried capitulum of chrysanthemums is a traditional material in scented tea, and the kill-green process is a critical step in determining their quality. However, the changes in the physicochemical properties during kill-green and the mechanisms by which these changes affect drying characteristics, metabolic components, and aroma profiles remain unclear. Therefore, this study investigated the changes in water status, polyphenol oxidase and peroxidase activities, and microstructure during high-humidity air impingement kill-green (HHAIK) and steam kill-green (SK), and their effects on drying behavior, color, phytochemicals, and volatile profile of dried chrysanthemums.

Inactivation and sublethal injury of Salmonella Typhimurium on beef and in aqueous solution treated with lactic acid.

Salmonella Typhimurium, a common foodborne pathogen, is widespread in foods. Lactic acid (LA) has been employed to control bacteria in food, while it can induce the formation of sublethally injured bacteria. The sublethal injury of LA against S.

Changes in flavor quality of marinated Chinese mitten crab (Eriocheir sinensis) with vacuum pack during cold storage.

In order to study the pattern of changes in quality of marinated Chinese mitten crabs (Eriocheir sinensis) during cold storage, three aspects of sensory, taste and odor were investigated. Sensory evaluation and total volatile basic nitrogen (TVB-N) were measured in viscera and abdomen muscle at 0, 7, 15 and 30 days of storage at 4°C. Sensory scores significantly declined at 15 d, coinciding with TVB-N levels exceeding 25 mg N/100 g.

Label-free quantitative proteomics of commercial rice beverages reveals the presence of high amounts of exogenous amylases.

Rice milk is known for its wide range of beneficial effects on human health. Despite an increasing inclination towards rice drinks consumption, not much is known regarding the protein composition of commercial rice beverages. Hence, using a label-free quantitative proteomics approach we analyzed 9 different commercially available rice drinks and identified 259 rice proteins and 4 exogenous microbial α-amylases.

Metatranscriptomic insights into the mechanism of 'Multiple Qu' utilization in Jian-flavor Baijiu fermentation.

The unique process of "Multiple-qu fermentation" (MF) is essential for the formation of the Jian-flavor Baijiu, but the mechanisms behind its aroma development remain not fully understood. This study compared the effects of "Single-qu fermentation"(SF) and MF on Baijiu production to elucidate the microbial and metabolic interactions responsible for its distinct aroma. Firstly, significant differences were observed in the microbial communities of the two types of Daqu.

Metagenomic and metabolomic profiling analyses to unravel the formation mechanism of n-propanol during the first and second round of Jiangxiangxing Baijiu fermentation.

N-propanol is one of the higher alcohols, a moderate amount of n-propanol is beneficial for the harmony of the liquor body, whereas excessive or repeated intake will lead to discomfort and pose significant harm to human health. In actual production process of Jiangxiangxing Baijiu, the n-propanol content of the base baijiu in first round (FR) is far higher than that of second round (SR). Nevertheless, the formation mechanism and the key n-propanol producing microbials remain unclear and this limits the quality control of baijiu fermentation.

Impact of storage temperature and ultraviolet irradiation on rotavirus survival on food matrices.

This study investigated the survival of human rotavirus (HRV) on fresh beef, chicken, and lettuce stored at various temperatures, as well as the effect of UV-C exposure on HRV viability on these food surfaces. At 20 °C, the survival rate of three HRV strains (WA, 89-12C2, and DS-1) on beef, chicken, and lettuce decreased within 3 days, with the most significant reduction observed on beef. When stored at 4 °C, a significant reduction in HRV viability was observed by day 7, with the greatest decrease observed on beef, followed by chicken and lettuce.

Atmosphere-controlled high-voltage electrospray for improving conductivity, flexibility, and antibacterial properties of chitosan films.

Atmosphere-controlled high-voltage electrospray (AHES) was utilised to modify the structure of chitosan (CS) films. The applied voltage in the AHES process ranged from 60 to 100 kV, with variations in the O content of the propellant gas from 0 to 100 %. The number density of cations in the charging environment reached 600 × 10 cations/cm.

Effect of Maillard reaction on the allergenicity of crude extract of Mactra quadrangularis.

Food allergy incidents resulting from the consumption of Mactra quadrangularis is frequently reported. Investigating the impact of the Maillard reaction on the allergenicity of M. quadrangularis allergens is beneficial for the development of hypoallergenic mollusks aquatic products.

Yeast community in the first-round fermentation of sauce-flavor Baijiu: Source, succession and metabolic function.

Yeasts play a crucial role in determining the quality and yield of sauce-flavor Baijiu, yet the source, succession, and metabolic functions of the yeast community in fermented grains during stacking fermentation remains unclear. In this study, amplicon sequencing combined with solid-state fermentation was used to investigate the structure and function of yeast community during the first-round fermentation of sauce-flavor Baijiu. The richness and diversity of yeast community increased throughout fermentation, with 83.

Effects of UV-A irradiation and microbial fermentation on the physicochemical, microstructure and functional properties of okara.

Whole utilization of okara has important economic value, but there are two technical barriers: coarse mouthfeel caused by insoluble dietary fiber (IDF) and undesirable "beany" off-odors. UV-A irradiation and/or microbial fermentation were used to modify okara. The results indicated that single and combined treatments increased the soluble dietary fiber (SDF) content.

Insights into the regulation mechanisms of dual hydrothermal treatment on the structure and digestive characteristics of A- and B-type wheat starch granules.

Hydrothermal treatment is a physical modification technology to alter starch structures for the production of resistant starch (RS). However, the underlying regulation mechanism of the multiscale structure and digestive properties of starch by dual hydrothermal synergistic treatment remains unclear. To solve this problem, A- and B-type wheat starch granules (AWS and BWS) were separated and subjected to toughening and heat-moisture synergistic treatment (THT) with various moisture content (10 %, 15 %, 20 %, 25 %).

Insight into the impact of various processing stages on metabolites and flavors in jujube jam.

Essential to the determination of the ultimate and flavor of jujube jam are various processing stages. Nevertheless, the alterations in metabolites and flavor chemistry throughout the processing of jujube jam are poorly comprehended. This research employed metabolomics, flavor analysis, and microbial indicators to examine the impact of distinct processing stages on the metabolites and flavor profile of jujube jam.

Preparation, characterization, stability and replenishing calcium ability of Moringa oleifera leaf peptide-calcium chelates.

Calcium deficiency has garnered significant attention as a global public health issue. A new generation of calcium supplements, peptide-calcium chelates, is expected to increase in market value. In this study, we produced MORP (MW < 1 kDa) from Moringa oleifera leaf protein via enzymatic hydrolysis for chelation with Ca to produce MORP-Ca.

Pesticide risk perception as an attitudinal mediator: Exploratory research with farm managers and consumers.

Pesticide use poses significant risks to human health and the environment. However, the public perception of pesticides is characterized by a number of factors, including risk perception. This study aimed to investigate the role of risk perception in two models: a) as a mediator between personal norms and pro-environmental attitudes of farm managers and b) as a mediator of trust in the purchase intention of consumers.

Tailored recovery of antioxidant fractions enriched in caffeine and phenolic compounds from coffee pulp using ethanol-modified supercritical carbon dioxide.

Coffee pulp (CP) is the by-product of coffee processing that urgently needs to be revalorized using sustainable technologies. This work applied a design of experiment (DoE) for modeling the extraction of bioactive compounds from CP using supercritical carbon dioxide (sc-CO) with ethanol as a co-solvent under variable conditions (temperature, pressure, and ethanol percentage). Considering extraction efficiency (per unit of CP) and extraction selectivity (per unit of extract), results showed that ethanol percentage significantly enhanced the efficiency of total phenolic content, as well as the selectivity of chlorogenic acid and protocatechuic acid (p < 0.

Eurotium-Cristatum fermented black tea alleviates ulcerative colitis through the PPARγ-NF-κB signaling axis.

Ulcerative colitis (UC) is a chronic inflammatory bowel condition that significantly impairs patient quality of life and remains incurable. Effective dietary management is crucial for both prevention and treatment. This study investigates the effects and mechanisms of Eurotium cristatum-fermented black tea (FBT) in a dextran sulfate sodium (DSS)-induced UC mouse model using transcriptome sequencing, immunofluorescence, and flow cytometry.

Exploring the synergistic effect of Lactiplantibacillus plantarum 1-24-LJ and lipase on improving Quality, Flavor, and safety of Suanzharou.

The aim of this study was to investigate the effects of the addition of Lactiplantibacillus plantarum 1-24-LJ and lipase on physicochemical indexes, nutrition, and flavour substances during Suanzharou's fermentation. Individually, the lipase supplementation expedited the synthesis of organic acids and free fatty acids, thus rapidly acidifying the fermentation environment. Compared to C (8.

The effect of supplemental LED lighting in the range of UV, blue, and red wavelengths at different ratios on the accumulation of phenolic compounds in pak choi and swiss chard.

Phenolic compounds are known for their health-promoting effects on humans. Pak choi (Brassica rapa ssp. chinensis) and Swiss chard (Beta vulgaris subsp.

Exploring the significance of emerging blue food processing technologies for sustainable development.

Blue food processing applies to the production and processing of fish, algae, and other aquatic organisms for human consumption. As the global population grows and consumer demand for protein-rich foods increases, there is increased interest in exploring a wide range of innovative approaches for processing blue foods in ways that improve the efficiency, sustainability, and nutritional quality of these products and reduce the environmental impact of their production. Existing approaches to process blue foods including fishing and aquaculture for production and manual processing at landing are not sufficiently scalable, efficient, or environmentally sustainable for today's global needs.