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A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Foods of Marine Origin".

Deadline for manuscript submissions: closed (10 April 2024) | Viewed by 20729

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Dr. Jingran Bi

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School of Food Science and Technology, Dalian Polytechnic University, No. 1, Qinggongyuan, Ganjingzi District, Dalian 116034, China
Interests: active substance delivery; food preservation; food packaging
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Special Issue Information

Dear Colleagues,

Aquatic products are not only beneficial in that they offer essential calories to the human body, but they also have a unique taste and multiple nutrients such as protein, docosahexaenoic acid, eicosapentaenoic acid, active polysaccharides, and so on. With the advancement of equipment and technology, aquatic product processing methods have also fundamentally been developed. However, compared to other muscle products, aquatic products possess more free amino acids, unsaturated fatty acid, fewer connective tissues, and higher enzyme activities. As a consequence, aquatic products are prone to quality degradation during processing, such as protein degradation, lipid oxidation, and changes in the smell, taste, and texture. These need to be studied more in depth.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) traditional processing (such as heating, salting, drying, smoking, natural fermentation), modern processing (such as ultra-high-pressure processing, low‐salt fermentation, rapid freezing-thawing, etc.), byproduct processing, and the quality change mechanisms during the processing of aquatic products.

We look forward to receiving your contributions.

Dr. Jingran Bi
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Foods is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

aquatic food products
processing method
quality control
byproduct utilization
food safety

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Published Papers (11 papers)

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Editorial

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7 pages, 185 KiB

Open AccessEditorial

Aquatic Food Products: Processing Technology and Quality Control

by Jingran Bi

Foods 2024, 13(17), 2806; https://doi.org/10.3390/foods13172806 - 3 Sep 2024

Viewed by 1302

Abstract

Aquatic products have the characteristics of high protein, low fat, and good nutritional balance, and they have become an important source of support to solve world hunger and nutritional deficiencies [...] Full article

(This article belongs to the Special Issue Recent Advances in Aquatic Food Products Processing)

Research

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17 pages, 4104 KiB

Open AccessArticle

Effects of Stocking Density and Pre-Slaughter Handling on the Fillet Quality of Largemouth Bass (Micropterus salmoides): Implications for Fish Welfare

by Nima Hematyar, Samad Rahimnejad, Swapnil Gorakh Waghmare, Oleksandr Malinovskyi and Tomas Policar

Foods 2024, 13(10), 1477; https://doi.org/10.3390/foods13101477 - 10 May 2024

Cited by 3 | Viewed by 1444

Abstract

There is currently insufficient acknowledgment of the relationship between fish welfare and ultimate fillet quality. The purpose of this study was to assess the impacts of pre-slaughter handling and stocking density as fish welfare markers on fillet quality of largemouth bass (Micropterus salmoides). Fish from three stocking densities of 35, 50, and 65 kg·m⁻³ were reared in a recirculating aquaculture system (RAS) for 12 weeks and received commercial feed. Ultimately, the fish were either stunned with percussion on the head (control group) or subjected to air exposure for 3 min (anoxia group) before stunning and subsequent collection of blood and fillet samples. Western blot analysis revealed the degradation of actin in both groups. Additionally, higher oxidation progress and lower hardness and pH were observed in anoxia compared to the control group. We observed higher hardness at 35 kg·m⁻³ in anoxia compared to 50 and 65 km⁻³. The initial hardness values at 35, 50, and 65 km⁻³ were 1073, 841, and 813 (g) respectively in the anoxia group. Furthermore, the anoxia and control groups had rigor mortis after 6 and 10 h, respectively. Cortisol and glucose levels, and oxidative enzymes activity were higher in anoxia than in the control group. In conclusion, oxidation induced by anoxia likely plays a crucial role as a promoter of the quality deterioration of largemouth bass fillets. Full article

(This article belongs to the Special Issue Recent Advances in Aquatic Food Products Processing)

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27 pages, 4855 KiB

Open AccessArticle

Evaluating Microbiological Safety, Sensory Quality, and Packaging for Online Market Success of Roasted Pickled Fish Powder

by Aunchalee Aussanasuwannakul and Pisut Butsuwan

Foods 2024, 13(6), 861; https://doi.org/10.3390/foods13060861 - 12 Mar 2024

Cited by 1 | Viewed by 1743

Abstract

This study explores the pivotal roles of microbiological safety, sensory qualities, packaging efficiency, and consumer preferences in determining the success of roasted pickled fish powder (RPFP) variants in the online marketplace. The comparison of the nutritional composition of the developed RPFP variants with a commercial benchmark reveals significant differences: the protein content in the herbal flavor variant is found to be 28.97%, which is lower than the 40.17% found in the commercial benchmark, while the fat content in the spicy flavor variant is measured at 19.51%, exceeding the 10.60% present in the benchmark. Additionally, the herbal flavor boasts a superior dietary fiber content of 14.23%, highlighting the intricate relationship between nutritional content and sensory attributes, which is critical in online retail, where physical product evaluation is not possible. Our comprehensive approach, evaluating both nutritional and sensory dimensions, introduces a novel perspective to the adaptation of traditional food products for e-commerce, addressing a gap in the literature. Despite this study’s limitations, including a focused market analysis and constrained sample size, our findings offer valuable insights into enhancing product quality and integrity in the digital marketplace, positioning RPFP for competitive success while suggesting directions for future research. Full article

(This article belongs to the Special Issue Recent Advances in Aquatic Food Products Processing)

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16 pages, 2606 KiB

Open AccessArticle

Transcriptome Reveals Regulation of Quorum Sensing of Hafnia alvei H4 on the Coculture System of Hafnia alvei H4 and Pseudomonas fluorescens ATCC13525

by Yanan Wang, Xue Li, Gongliang Zhang, Jingran Bi and Hongman Hou

Foods 2024, 13(2), 336; https://doi.org/10.3390/foods13020336 - 21 Jan 2024

Cited by 2 | Viewed by 1640

Abstract

In the food industry, foodborne spoilage bacteria often live in mixed species and attach to each other, leading to changes in spoilage characteristics. Quorum sensing (QS) has been reported to be a regulating mechanism for food spoiling by certain kinds of bacteria. Here, the contents of biofilm, extracellular polysaccharides, and biogenic amines in the coculture system of Hafnia alvei H4 and Pseudomonas fluorescens ATCC13525 were significantly reduced when the QS element of H. alvei H4 was deleted, confirming that QS of H. alvei H4 is involved in the dual-species interactions. Then, transcriptomics was used to explore the regulatory mechanism at the mRNA molecular level. The deletion of the QS element decreased the transcript levels of genes related to chemotaxis, flagellar assembly, and the two-component system pathway of H. alvei H4 in the coculture system. Furthermore, a total of 732 DEGs of P. fluorescens ATCC13525 were regulated in the dual species, which were primarily concerned with biofilm formation, ATP-binding cassette transporters, and amino acid metabolism. Taken together, the absence of the QS element of H. alvei H4 weakened the mutual cooperation of the two bacteria in the coculture system, making it a good target for managing infection with H. alvei and P. fluorescens. Full article

(This article belongs to the Special Issue Recent Advances in Aquatic Food Products Processing)

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18 pages, 7256 KiB

Open AccessArticle

Line Laser Scanning Combined with Machine Learning for Fish Head Cutting Position Identification

by Xu Zhang, Ze Gong, Xinyu Liang, Weichen Sun, Junxiao Ma and Huihui Wang

Foods 2023, 12(24), 4518; https://doi.org/10.3390/foods12244518 - 18 Dec 2023

Cited by 2 | Viewed by 1474

Abstract

Fish head cutting is one of the most important processes during fish pre-processing. At present, the identification of cutting positions mainly depends on manual experience, which cannot meet the requirements of large-scale production lines. In this paper, a fast and contactless identification method of cutting position was carried out by using a constructed line laser data acquisition system. The fish surface data were collected by a linear laser scanning sensor, and Principal Component Analysis (PCA) was used to reduce the dimensions of the dorsal and abdominal boundary data. Based on the dimension data, Least Squares Support Vector Machines (LS-SVMs), Particle Swarm Optimization-Back Propagation (PSO-BP) networks, and Long and Short Term Memory (LSTM) neural networks were applied for fish head cutting position identification model establishment. According to the results, the LSTM model was considered to be the best prediction model with a determination coefficient (

R^{2}

) value, root mean square error (

R M S E

), mean absolute error (

M A E

), and residual predictive deviation (

R P D

) of 0.9480, 0.2957, 0.1933, and 3.1426, respectively. This study demonstrated the reliability of combining line laser scanning techniques with machine learning using LSTM to identify the fish head cutting position accurately and quickly. It can provide a theoretical reference for the development of intelligent processing and intelligent cutting equipment for fish. Full article

(This article belongs to the Special Issue Recent Advances in Aquatic Food Products Processing)

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13 pages, 4012 KiB

Open AccessArticle

The Preparation and Properties of Amino-Carboxymethyl Chitosan-Based Antibacterial Hydrogel Loaded with ε-Polylysine

by Yixi Li, Yulong Qiu, Hongman Hou, Gongliang Zhang, Hongshun Hao and Jingran Bi

Foods 2023, 12(20), 3807; https://doi.org/10.3390/foods12203807 - 17 Oct 2023

Cited by 1 | Viewed by 1843

Abstract

In this paper, amino-carboxymethyl chitosan (ACC) was prepared through amino carboxymethylation, which introduces -COOH and -NH₂ groups to the chitosan (CS) chains. Meanwhile, dialdehyde starch (DAS) was produced by oxidizing corn starch using sodium periodate. To attain the optimal loading and long-time release of ε-polylysine (ε-PL), the ACC/DAS hydrogels were synthesized through the Schiff base reaction between the amino group on ACC and the aldehyde group in DAS. The molecular structure, microcosmic properties, loading capacity, and bacteriostatic properties of the four types of hydrogels containing different mass concentrations of ACC were investigated. The results showed that the dynamic imine bond C=N existed in the ACC/DAS hydrogels, which proved that the hydrogels were formed by the cross-linking of the Schiff base reaction. With the increasing mass concentration of the ACC, the cross-sectional morphology of the hydrogel became smoother, the thermal stability increased, and the swelling behavior was gradually enhanced. The tight network structure improved the ε-PL loading efficiency, with the highest value of 99.2%. Moreover, the loading of ε-PL gave the hydrogel good antibacterial properties. These results indicate that ACC/DAS hydrogel is potential in food preservation. Full article

(This article belongs to the Special Issue Recent Advances in Aquatic Food Products Processing)

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14 pages, 3794 KiB

Open AccessArticle

Effects of a Novel Starter Culture on Quality Improvement and Putrescine, Cadaverine, and Histamine Inhibition of Fermented Shrimp Paste

by Xinyu Li, Yang Zhang, Xinxiu Ma, Gongliang Zhang and Hongman Hou

Foods 2023, 12(15), 2833; https://doi.org/10.3390/foods12152833 - 26 Jul 2023

Cited by 4 | Viewed by 1630

Abstract

Fermented shrimp paste is a popular food in Asian countries. However, biogenic amines (BAs) are a typically associated hazard commonly found during the fermentation of shrimp paste and pose a food-safety danger. In this work, an autochthonic salt-tolerant Tetragenococcus muriaticus TS (T. muriaticus TS) strain was used as a starter culture for grasshopper sub shrimp paste fermentation. It was found that with the starter culture, putrescine, cadaverine, and histamine concentrations were significantly lower (p < 0.05) with a maximal reduction of 19.20%, 14.01%, and 28.62%, respectively. According to high-throughput sequencing data, T. muriaticus TS could change the interactions between species and reduce the abundance of bacterial genera positively associated with BAs, therefore inhibiting the BA accumulation during shrimp paste fermentation. Moreover, the volatile compounds during the fermentation process were also assessed by HS-SPME-GC-MS. With the starter added, the content of pyrazines increased, while the off-odor amines decreased. The odor of the shrimp paste was successfully improved. These results indicate that T. muriaticus TS can be used as an appropriate starter culture for improving the safety and quality of grasshopper sub shrimp paste. Full article

(This article belongs to the Special Issue Recent Advances in Aquatic Food Products Processing)

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14 pages, 4737 KiB

Open AccessArticle

Combined Effects of Cold and Hot Air Drying on Physicochemical Properties of Semi-Dried Takifugu obscurus Fillets

by Ye Zhu, Xiaoting Chen, Kun Qiao, Bei Chen, Min Xu, Shuilin Cai, Wenzheng Shi and Zhiyu Liu

Foods 2023, 12(8), 1649; https://doi.org/10.3390/foods12081649 - 14 Apr 2023

Cited by 3 | Viewed by 1721

Abstract

The physicochemical properties of semi-dried Takifugu obscurus fillets in cold air drying (CAD), hot air drying (HAD), and cold and hot air combined drying (CHACD) were analyzed based on pH, water state, lipid oxidation, protein degradation, and microstructure, using a texture analyzer, low-field nuclear magnetic resonance, thiobarbituric acid, frozen sections, sodium dodecyl sulfate polyacrylamide gel electrophoresis, and differential scanning calorimetry. Water binding to the samples was enhanced by all three drying methods, and the immobilized water content of CHACD was between that of HAD and CAD. The pH of the semi-dried fillets was improved by CHACD. When compared to HAD and CAD, CHACD improved the springiness and chewiness of the fillets, especially cold air drying for 90 min (CAD-90), with values of 0.97 and 59.79 g, respectively. The muscle fibers were arranged compactly and clearly in CAD-90, having higher muscle toughness. CHACD reduced the drying time and degree of lipid oxidation compared to HAD and CAD. CAD better preserved protein composition, whereas HAD and CHACD promoted actin production; CHACD had a higher protein denaturation temperature (74.08–74.57 °C). CHACD results in better physicochemical properties than HAD or CAD, including shortened drying time, reduced lipid oxidation, enhanced protein stability, and denser tissue structure. These results provide a theoretical basis for selecting the appropriate drying method for T. obscurus in industrial applications. Full article

(This article belongs to the Special Issue Recent Advances in Aquatic Food Products Processing)

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14 pages, 3912 KiB

Open AccessArticle

Effects of Modified Atmosphere Packaging with Varied CO₂ and O₂ Concentrations on the Texture, Protein, and Odor Characteristics of Salmon during Cold Storage

by Yun-Fang Qian, Cheng-Cheng Liu, Jing-Jing Zhang, Per Ertbjerg and Sheng-Ping Yang

Foods 2022, 11(22), 3560; https://doi.org/10.3390/foods11223560 - 9 Nov 2022

Cited by 2 | Viewed by 3038

Abstract

The effect of gas ratio on the growth of bacteria has been well demonstrated, but some adverse effects of modified atmosphere packaging (MAP) on seafoods have also been found. To provide a better understanding of the effects of CO₂ and O₂ concentrations (CO₂ from 40% to 100% and O₂ from 0% to 30%) in MAP on the texture and protein contents and odor characteristics of salmon during cold storage, the physiochemical, microbial, and odor indicators were compared with those without treatment (CK). Generally, MAP treatments hindered the increase of microbial counts, total volatile basic nitrogen, and TCA-soluble peptides, and decreased the water-holding capacity, hardness, springiness, and sarcoplasmic and myofibrillar protein contents. The results also indicated that 60%CO₂/10%O₂/30%N₂ was optimal and decreased the total mesophilic bacterial counts by 2.8 log cfu/g in comparison with CK on day 12. In agreement, the concentration of CO₂ of 60% showed the lowest myofibrillar protein degradation, and less subsequent loss of hardness. The electronic nose characteristics analysis indicated that 60%CO₂/20%O₂/20%N₂ and 60%CO₂/10%O₂/30%N₂ had the best effect to maintain the original odor profiles of salmon. The correlation analysis demonstrated that microbial growth had a strong relationship with myofibrillar and sarcoplasmic protein content. It can be concluded that 60%CO₂/10%O₂/30%N₂ displayed the best effect to achieve the goal of preventing protein degradation and odor changes in salmon fillets. Full article

(This article belongs to the Special Issue Recent Advances in Aquatic Food Products Processing)

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12 pages, 1095 KiB

Open AccessArticle

Changes in Protein Degradation and Non-Volatile Flavor Substances of Swimming Crab (Portunus trituberculatus) during Steaming

by Qin Chen, Yurui Zhang, Lunan Jing, Naiyong Xiao, Xugan Wu and Wenzheng Shi

Foods 2022, 11(21), 3502; https://doi.org/10.3390/foods11213502 - 3 Nov 2022

Cited by 16 | Viewed by 2428

Abstract

To investigate the effect of steaming time (0, 5, 10, 15, 20, and 25 min) on the protein degradation and non-volatile flavor substances of swimming crab (Portunus trituberculatus), the moisture content, total nitrogen (TN), non-protein nitrogen (NPN), free amino acids (FAAs), flavor nucleotides, electronic tongue analysis, and sensory evaluation were determined. The results showed that the contents of NPN and total FAAs were the highest after crabs steamed for 10 min. Meanwhile, the AMP (adenosine monophosphate) content reached the maximum value (332.83 mg/100 g) and the taste active value (TAV) reached 6.67, which indicated that AMP contributes the most to the taste of steamed crab at 10 min. The electronic tongue distinguished the taste difference well, and the sensory score was the highest at 15 min. Combined with equivalent umami concentration (EUC) and TAV value, swimming crab (weight = 200 ± 20 g) steamed for 10–15 min tasted best. Full article

(This article belongs to the Special Issue Recent Advances in Aquatic Food Products Processing)

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Review

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14 pages, 2114 KiB

Open AccessReview

Endogenous Proteases in Sea Cucumber (Apostichopus japonicas): Deterioration and Prevention during Handling, Processing, and Preservation

by Xinru Fan, Ke Wu, Xiuhui Tian, Soottawat Benjakul, Ying Li, Xue Sang, Qiancheng Zhao and Jian Zhang

Foods 2024, 13(13), 2153; https://doi.org/10.3390/foods13132153 - 8 Jul 2024

Viewed by 985

Abstract

The sea cucumber is an essential nutrient source and a significant economic marine resource associated with successful aquaculture. However, sea cucumbers are highly susceptible to autolysis induced by endogenous protease after postmortem, and the phenomenon of body wall “melting” occurs, which seriously affects the food quality of products and the degree of acceptance by consumers. To satisfy the growing demand for fresh or processed sea cucumbers, we must clarify the autolysis mechanism of sea cucumbers and the methods to achieve autolysis regulation. In this paper, the factors leading to the quality deterioration and texture softening of sea cucumbers are reviewed, with emphasis on enzymatic characteristics, the autolysis mechanism, the effects of autolysis on the physicochemical properties of the body wall of the sea cucumber, and the development of potential natural protease inhibitors. We aim to provide some reference in future preservation and processing processes for sea cucumbers, promote new processing and preservation technologies, and advance the sea cucumber industry’s development. Full article

(This article belongs to the Special Issue Recent Advances in Aquatic Food Products Processing)

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