Recent advances of high voltage electric field technology and its application in food processing: A review with a focus on corona discharge and static electric field

The effects of multi-frequency ultrasound-assisted immersion freezing (MUIF) at different ultrasound power levels (160, 175, and 190 W, respectively) on the quality of large yellow croaker (Larimichthys crocea) during frozen storage were studied. The study found that water loss and texture deterioration of MUIF were lower and MUIF was fresher than immersed freezing (IF) by affecting the morphology of ice crystals. Although the total volatile basic nitrogen (TVB-N) and K values of each treatment increased continuously during frozen storage, MUIF was consistently lower than IF. Among them, MUIF at 175 W (MUIF-175) maintained good quality in frozen storage because of the fine and uniform ice crystals, indicating that MUIF at a specific power level can reduce the quality degradation of the samples during frozen storage. 

Effect of multi-frequency ultrasound-assisted immersion freezing on quality changes in large yellow croaker (Larimichthys crocea) during frozen storage

The effect of frozen time and the temperature on myofibril degradation and the structure of myofibrillar proteins of porcine longissimus muscles were investigated. With extended frozen time and increased temperature, the muscle fibres became broken; the muscle cells became irregularly arranged; and the fragmentation index value, number of ionic bonds, and number of hydrogen bonds of the samples significantly decreased. Meanwhile, the myofibril fragmentation index value, number of hydrophobic interactions, and number of disulphide bonds significantly increased (P < 0.05). After 12 months of storage, the intensities of I760/I1003, I850/I830, I1450/I1003, and I2945/I1003 in the samples frozen at -8 °C were reduced by 4.36 %, 1.28 %, 1.86 %, and 0.74 %, respectively. A reduction in the maximum absorption peak and a red shift were observed in the ultraviolet spectrum. Therefore, frozen storage resulted in significant damage to the tissue microstructureand caused accelerated protein degradation, and the loss of protein structural integrity. 

Myofibril degradation and structural changes in myofibrillar proteins of porcine longissimus muscles during frozen storage.

Aquatic foods are nutritious, enjoyable, and highly favored by consumers. In recent years, young consumers have shown a preference for prefabricated food due to its convenience, nutritional value, safety, and increasing market share. However, aquatic foods are prone to microbial spoilage due to their high moisture content, protein content, and unsaturated fatty acids. Furthermore, traditional processing methods of aquatic foods can lead to issues such as protein denaturation, lipid peroxidation, and other food safety and nutritional health problems. Therefore, there is a growing interest in exploring new technologies that can achieve a balance between antimicrobial efficiency and food quality. This review examines the mechanisms of cold plasma, high‐pressure processing, photodynamic inactivation, pulsed electric field treatment, and ultraviolet irradiation. It also summarizes the research progress in nonthermal physical field technologies and their application combined with other technologies in prefabricated aquatic food. Additionally, the review discusses the current trends and developments in the field of prefabricated aquatic foods. The aim of this paper is to provide a theoretical basis for the development of new technologies and their implementation in the industrial production of prefabricated aquatic food.

Advancements in nonthermal physical field technologies for prefabricated aquatic food: A comprehensive review

Fresh aquatic products are a popular and important food category. They are rich in nutrients, which can help improve the dietary structure and alleviate the problem of micronutrient deficiency. Fresh aquatic products are easily spoiled in the supply chain due to their quality characteristics, which not only leads to quality deterioration, but also may cause food safety problems. Throughout the supply chain of fresh aquatic products, it is crucial to identify and prevent quality decline. In order to adapt to the changing consumer demand, some new aquatic product quality detection technology and quality control methods are emerging. This article reviews several major categories of intelligent detection and quality control technologies, including spectral technology, sensory technology, non-thermal processing technology, and natural antiseptic. In this paper, the intelligent detection technologies and control methods of quality deterioration in the supply chain of fresh aquatic products are detailed reviewed from the aspects of principle, research progress and application along with an assessment of their development potential and application advantages and disadvantages. 

Intelligent detection and control of quality deterioration of fresh aquatic products in the supply chain: A review

The effects of freezing under a high-voltage electrostatic field on ice crystals formation, physicochemical indices, and bacterial communities of shrimp (Solenocera melantho)

Background: Thyroid cancer is the most common endocrine malignancy. Most PTC patients have a good prognosis; however, there are 5–20% of PTC patients with extra-thyroidal invasion, vascular invasion, or distant metastasis who have relatively poor prognoses. The aim of this study is to find new and feasible molecular pathological markers and therapeutic targets for early identification and appropriate management. Methods: The GEO and TCGA databases were used to gather gene expression data and clinical outcomes. Based on gene expression and clinical parameters, we developed a ferroptosis-related gene-based prognostic model and a nomogram. CCK-8, wound-healing, and transwell assays were conducted to explore the proliferation, migration, and invasion abilities of thyroid cancer cells. Results: We found 75 genes associated with ferroptosis that were differentially expressed between normal thyroid tissue and thyroid cancer tissues. The prognostic values of the 75 ferroptosis-related gene expressions were evaluated using the TCGA-THCA dataset, and five (AKR1C3, BID, FBXW7, GPX4, and MAP3K5) of them were of significance. Following that, we chose AKR1C3 as the subject for further investigation. By combining gene expression and clinical parameters, we developed a ferroptosis-related gene-based prognostic model with an area under the curve (AUC) of 0.816, and the nomogram also achieved good predictive efficacy for the three-year survival rate of thyroid cancer patients. Knocking down AKR1C3 enhances thyroid cancer cell proliferation, invasion, and migration abilities. Conclusions: A ferroptosis-related gene-based prognostic model was constructed that provided unique insights into THCA prognosis prediction. In addition, AKR1C3 was found to be a progression promoter in thyroid cancer cell lines.

/pdf/identification-and-validation-of-a-prognostic-signature-for-2994t8gs.pdf

Identification and Validation of a Prognostic Signature for Thyroid Cancer Based on Ferroptosis-Related Genes

Abstract Background Drug-coated balloons (DCBs) are an up-and-coming tactic in treating in-stent restenosis and coronary artery small vessel disease, but their efficacy in treating acute myocardial infarction needs to be further explored. Methods A meta-analysis of 7 studies was conducted to make a comparison with the results of DCB and drug-eluting stent implantation after a median follow-up of 15 months. Results A total of 922 patients were included in this analysis in total, including 375 patients in the DCB group and 547 patients in the stent group. A total of 962 vascular diseases were manifested in the 2 groups. After 6 to 24 months of follow-up, there was no statistically significant difference with respect to major adverse cardiovascular events (odds ratio [OR]: 0.82; 95% confidence interval [CI]: 0.52–1.29; Z = 0.85; P = 0.39), cardiac death (OR: 0.92; 95% CI: 0.39–2.12; Z = 0.21; P = 0.84), target lesion revascularization (OR: 1.09; 95% CI: 0.53–2.25; Z = 0.24; P = 0.81), late lumen loss (MD: −0.05; 95% CI: −0.15 to 0.06; Z = 0.85; P = 0.40), or dual antiplatelet therapy (DAPT) (OR: 1.04; 95% CI: 0.53–2.05; Z = 0.11; P = 0.91) between the 2 groups. In the DCB group, persistent residual stenosis or C-F dissection occurrence necessitated that a total of 30 patients receive extra bailout implantations. The rate of bailout stenting was 11.8% (95% CI: 7.1–16). Moreover, the DCB group had a shorter DAPT duration compared with the stent group. Conclusion Drug-coated balloons with shorter DAPT durations may be as effective and safe as stent therapy in treating acute myocardial infarction.

Drug-coated balloons are not inferior to drug-coated stents in the treatment of acute myocardial infarction and shorten the duration of dual antiplatelet treatment

The bacteria of shellfish bioaccumulate mainly in the gill and digestive gland tissues, which can affect shellfish health status and disease susceptibility under stressful conditions or environmental effects. Ruditapes philippinarum is a filter-feeding shellfish with both ecological and economic significance, and it is classified as a Mollusca (phylum), Bivalvia (class), Veneridae (family), and Ruditapes (genus). In this study, 16S high-throughput sequencing was used to explore the microbiomics of digestive glands and gills of R. philippinarum under temporary rearing without feeding (including the purification process) in different water environments (natural vs. artificial seawater) from 0–7 days. The results revealed that the digestive glands and gills of R. philippinarum had their own unique bacterial community structures. Tissue microorganisms under the overlap of different water environments and starvation factors showed different dynamic effects within 0–7 days. The sand spitting and purification steps (posttransport rehydration stage of 24 hours) effectively reduced microorganism abundance. There were different biomarkers in the prerearing and postrearing periods, and R. philippinarum may be more susceptible to the enrichment of opportunistic pathogenic bacteria during the postrearing period in artificial seawater.

/pdf/effects-of-natural-and-artificial-seawater-on-digestive-2tvdtil0.pdf

Effects of Natural and Artificial Seawater on Digestive Gland and Gill Microorganisms of the Manila Clam (Ruditapes philippinarum) during Temporary Rearing without Feeding

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Papers

The effects of freezing under a high-voltage electrostatic field on ice crystals formation, physicochemical indices, and bacterial communities of shrimp (Solenocera melantho)

Identification and Validation of a Prognostic Signature for Thyroid Cancer Based on Ferroptosis-Related Genes

Drug-coated balloons are not inferior to drug-coated stents in the treatment of acute myocardial infarction and shorten the duration of dual antiplatelet treatment

Effects of Natural and Artificial Seawater on Digestive Gland and Gill Microorganisms of the Manila Clam (Ruditapes philippinarum) during Temporary Rearing without Feeding