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Help CenterSEM (Nitrofurazone Metabolite) Rapid Test Kit for Fish, Shrimp and Seafood Screening
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Fast screening for SEM (Semicarbazide), the marker metabolite of Nitrofurazone, in fish, shrimp, aquatic products and seafood matrices.
The SEM Rapid Test Kit provides a fast, simple and reliable front-end screening solution for seafood processors, aquaculture farms, exporters, laboratories, distributors, inspection authorities and quality control teams seeking to identify nitrofuran metabolite residue risks before laboratory confirmation, shipment or market release.
Suitable for aquaculture monitoring, seafood processing quality control, export risk control, market surveillance and seafood safety monitoring applications.
Product Principle & Result Interpretation
This rapid test kit is based on competitive lateral flow immunochromatographic assay technology and is designed for rapid qualitative screening of SEM residues in aquatic product matrices.
Results can be interpreted visually for routine front-end screening. Optional quantitative analysis is available for users requiring objective result interpretation, numerical result management, digital records and traceable QC workflow management.
The test is suitable for high-frequency screening in aquaculture monitoring, seafood processing, export preparation, market inspection and laboratory pre-screening applications.
Proven Aquaculture Testing Leadership
Trusted by China's Seafood Safety Sector Since 2011
• More than 15 consecutive years of leadership in China's seafood rapid testing sector
• Products deployed across seafood safety supervision systems, wholesale markets, seafood processors, aquaculture monitoring programs and export-oriented quality control workflows
• More than 70% coverage of seafood rapid testing regulatory users in China
• Millions of real-world screening applications in seafood safety programs
• The only company achieving qualified results across all submitted seafood rapid testing products during ministry-organized verification programs for 15 consecutive years since 2011
• Supported by CMA / CATL / CNAS certified analytical laboratories
Fast • Simple • Reliable
Rapid Results in 3–5 Minutes
Support immediate screening decisions and rapid identification of suspicious batches without waiting for lengthy laboratory turnaround times.
Visual Screening, No Instrument Required
Simple operation suitable for aquaculture farms, seafood processors, inspection teams and routine high-volume screening programs.
Optional Quantitative Analysis
Supports objective result interpretation, numerical result management, digital records and traceable quality control workflows.
Room-Temperature Storage
Convenient for farms, seafood factories, laboratories, distributors and inspection teams.
Field & Laboratory Ready
Suitable for aquaculture monitoring, seafood processing, supplier verification, export screening and laboratory pre-screening.
Laboratory-Verified Performance
Supported by CMA / CATL / CNAS certified analytical laboratories with LC-MS/MS, GC-MS/MS and real-matrix validation capability.
Why Screen for SEM (Nitrofurazone Metabolite)?
SEM (Semicarbazide) is the marker metabolite of Nitrofurazone and one of the most frequently monitored nitrofuran metabolite residues in international seafood trade.
Nitrofuran compounds have been prohibited or highly restricted in many major export markets. As a result, SEM remains a key target in buyer testing programs, import inspection programs and seafood export compliance monitoring.
Seafood exporters, processors, laboratories and inspection authorities routinely screen for SEM residues to support:
• Nitrofuran metabolite monitoring
• Export compliance management
• Zero-tolerance risk control
• Supplier and farm verification
• Incoming raw material inspection
• Seafood factory quality control
• Market surveillance programs
• Regulatory compliance monitoring
• Shipment risk control
• Brand reputation protection
The detection of SEM residues after shipment, buyer inspection or market release may result in shipment rejection, buyer claims, delayed payments, import alerts, regulatory action and long-term damage to supplier credibility.
Front-end rapid screening helps identify high-risk batches earlier and supports faster risk-control decisions before products enter processing, shipment or international trade channels.
Key Features
• Fast screening for SEM residues in seafood matrices
• Rapid results in 3–5 minutes
• Simple visual interpretation
• Optional quantitative analysis available
• Supports digital records and traceable QC workflows
• Suitable for nitrofuran metabolite monitoring
• Practical for seafood factory QC, supplier verification and export risk control
• Useful for high-volume screening before laboratory confirmation
• Verified through real-matrix validation and reference method comparison
Applicable Sample Matrices
Suitable for screening applications in:
• Fish
• Shrimp
• Prawn
• Crab
• Shellfish
• Aquatic products
• Fresh seafood
• Frozen seafood
• Processed seafood
• Aquaculture raw materials
• Other related aquatic product matrices
Specific sample preparation may vary depending on matrix type.
Applications
Aquaculture Farm Monitoring
Routine screening of aquatic products and aquaculture operations for nitrofuran metabolite residue risks.
Seafood Factory Quality Control
Support incoming inspection, production control and finished product release in seafood processing facilities.
Raw Material and Supplier Verification
Verify supplied aquatic raw materials before processing or shipment.
Export Risk Control
Support front-end screening before export shipment to reduce rejection risks from destination market inspection or buyer testing.
Market Surveillance
Rapid screening support for food safety inspection teams, wholesale markets, supermarkets and regulatory monitoring programs.
Laboratory Pre-Screening
Help prioritize suspicious samples before confirmatory analysis using LC-MS/MS or other reference methods.
Importer Verification
Support incoming goods inspection, supplier qualification and buyer confidence for aquatic and seafood products.
Quantitative Analysis Available
Optional quantitative analysis solutions are available for users requiring objective result interpretation, numerical result management, digital records and traceable QC workflow management.
Certified Analytical Laboratory Verification
Supported by CMA / CATL / CNAS certified analytical laboratories equipped with LC-MS/MS, GC-MS/MS and other advanced analytical platforms.
Verification capabilities include:
• Matrix verification
• Reference method comparison
• Rapid test performance evaluation
• Real-world application validation
• Technical support for complex aquatic and seafood matrices
Related Veterinary Drug & Seafood Safety Test Kits
• AOZ (Furazolidone Metabolite) Rapid Test Kit
• AMOZ (Furaltadone Metabolite) Rapid Test Kit
• AHD (Nitrofurantoin Metabolite) Rapid Test Kit
• Nitrofuran Metabolites 4-in-1 Combo Rapid Test Kit
• Chloramphenicol Rapid Test Kit
• Florfenicol Rapid Test Kit
• Malachite Green Rapid Test Kit
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