“…Recently, serious concerns have been raised about veterinary drug residues in imported shrimp from Asia [ 117 ]. The Chinese freshwater grass-shrimp ( Paleomonetes sinensis, generally used as an aquarium ‘cleaner’ rather than as food for human consumption) is a shrimp species that eats dead/decaying plants and animals).…”
Section: Effects Of Cap Treatment Of Aquatic Foods Of Animal Origin: ...mentioning
confidence: 99%
“…Apparently, existing screening protocols and enforcement measures are insufficient to prevent this from happening. There are also serious doubts if, currently, adequate labelling rules are followed [ 117 ].…”
Section: Effects Of Cap Treatment Of Aquatic Foods Of Animal Origin: ...mentioning
Assuring the safety of muscle foods and seafood is based on prerequisites and specific measures targeted against defined hazards. This concept is augmented by ‘interventions’, which are chemical or physical treatments, not genuinely part of the production process, but rather implemented in the framework of a safety assurance system. The present paper focuses on ‘Cold Atmospheric pressure Plasma’ (CAP) as an emerging non-thermal intervention for microbial decontamination. Over the past decade, a vast number of studies have explored the antimicrobial potential of different CAP systems against a plethora of different foodborne microorganisms. This contribution aims at providing a comprehensive reference and appraisal of the latest literature in the area, with a specific focus on the use of CAP for the treatment of fresh meat, fish and associated products to inactivate microbial pathogens and extend shelf life. Aspects such as changes to organoleptic and nutritional value alongside other matrix effects are considered, so as to provide the reader with a clear insight into the advantages and disadvantages of CAP-based decontamination strategies.
“…Recently, serious concerns have been raised about veterinary drug residues in imported shrimp from Asia [ 117 ]. The Chinese freshwater grass-shrimp ( Paleomonetes sinensis, generally used as an aquarium ‘cleaner’ rather than as food for human consumption) is a shrimp species that eats dead/decaying plants and animals).…”
Section: Effects Of Cap Treatment Of Aquatic Foods Of Animal Origin: ...mentioning
confidence: 99%
“…Apparently, existing screening protocols and enforcement measures are insufficient to prevent this from happening. There are also serious doubts if, currently, adequate labelling rules are followed [ 117 ].…”
Section: Effects Of Cap Treatment Of Aquatic Foods Of Animal Origin: ...mentioning
Assuring the safety of muscle foods and seafood is based on prerequisites and specific measures targeted against defined hazards. This concept is augmented by ‘interventions’, which are chemical or physical treatments, not genuinely part of the production process, but rather implemented in the framework of a safety assurance system. The present paper focuses on ‘Cold Atmospheric pressure Plasma’ (CAP) as an emerging non-thermal intervention for microbial decontamination. Over the past decade, a vast number of studies have explored the antimicrobial potential of different CAP systems against a plethora of different foodborne microorganisms. This contribution aims at providing a comprehensive reference and appraisal of the latest literature in the area, with a specific focus on the use of CAP for the treatment of fresh meat, fish and associated products to inactivate microbial pathogens and extend shelf life. Aspects such as changes to organoleptic and nutritional value alongside other matrix effects are considered, so as to provide the reader with a clear insight into the advantages and disadvantages of CAP-based decontamination strategies.
“…Analyses of shrimp samples from retail stores in Baton Rouge, Louisiana (Khan and Lively, 2020) gave the following percentages of positive tests for the following antibiotics: nitrofurantoin (70%), fluoroquinolone (17%), oxytetracycline (7%), malachite green (5%), ciprofloxacin (2%), and chloramphenicol (0%). These analyses were made by a novel method, and even though residues were found, the concentrations were not above legislative levels permitted by United…”
The purpose of this study was to assess the amounts of land, water, energy in fuels, and wild fish for fishmeal and fish oil in feeds required per tonne of harvested, farmed shrimp in five countries producing most of the shrimp destined for the international market. Land use for whiteleg shrimp Litopenaeus vannamei production differed slightly between Indonesia (0.37 ha/t shrimp) and the other four, major shrimp exporting countries -Ecuador, India, Thailand, and Vietnam (0.42-0.46 ha/t shrimp). Total water use was greater in Ecuador (76,800 m 3 /t) and Indonesia (55,000 m 3 /t) than in the other three countries (14,000-45,500 m 3 /t), but most water was saline. Freshwater use was mainly embodied in feed, did not differ among countries, and averaged 6.3% of total water use. Energy use ranged from 56.0 GJ/t (Ecuador) to 98.8 GJ/t (Thailand). All Asian countries had energy use above 75 GJ/t. Wild fish use for fishmeal and fish oil in feeds was greatest in Ecuador (0.891 t/t) and similar in Asian countries (0.612-0.670 t/t).In terms of edible crude protein, whiteleg shrimp was similar to broiler chickens, but more efficient than pigs and beef cattle in land and freshwater use, but greater in energy use than were the three terrestrial meat sources. Compared to L. vannamei, black tiger shrimp Penaeus monodon required more land, a greater amount of water, but less energy per tonne of shrimp. Although comparatively small differences in average uses of these primary resources were found among countries, the large variation which was noted among farms in each country suggests that resource use could be improved considerably.
“…Chemical agents such as sodium sulfites or sodium meta‐bisulfites have been used for melanosis control. However, these compounds have been associated with asthmatic attacks, irritation in the nasal and oral mucosa, allergic problems, and pulmonary edema in humans (Gonçalves & de Oliveira, 2016; Khan & Lively, 2020; Sae‐leaw & Benjakul, 2019a, 2019b). In addition, sulfites are environmentally unfriendly when used in large scale.…”
Sodium metabisulfite is a chemical compound used to reduce melanosis of shrimps. However, this chemical compound has been associated with several human diseases and negative environmental impacts. Therefore, this study aimed to develop, characterize, and apply a coating and film based on natural and not toxic compounds. A chitosan‐based coating and a film containing acerola fruit powder were developed and characterized for various physicochemical and microstructural properties. The presence of acerola altered the chitosan interactions, hence, the chitosan film containing acerola had fewer crystal structure, reducing its hydrophobicity. Furthermore, the presence of acerola imparted an orange color in chitosan film when compared with chitosan film without acerola (transparent). The chitosan solution containing acerola was as effective as sodium metabisulfite solution in controlling the melanosis and lipid oxidation of the shrimps. The developed chitosan coating containing acerola can be used to control melanosis during shrimp storage and to reduce or to eliminate the use of the metabisulfite.
Novelty impact statement
The active coating based on chitosan and acerola fruit is a new alternative to control melanosis of shrimps during storage at 5°C. Hence, the use of this eco‐friendly active coating could reduce the use of chemical toxic compounds such as sodium meta‐bisulfites.
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