Product Overview The NANKAI Malachite Green Rapid Test Kit is a highly reliable lateral flow immunochromatographic assay designed for the rapid screening of Malachite Green residues in fish, shrimp, crab, shellfish, and other aquatic products.
With a detection sensitivity of 0.5 ppb and clear results in just 3-5 minutes, this kit is the preferred choice for seafood exporters, aquaculture farms, processing plants, and government monitoring programs that require both speed and high accuracy.
 
 
 
Key Features

• Ultra-High Sensitivity: Detection limit as low as 0.5 ppb, meets and exceeds EU, and China GB standards

 

• Ultra-Fast Results: Visual results in 3-5 minutes, perfect for high-frequency testing

 

• High Reliability: Minimal cross-reactivity and excellent performance across complex aquatic matrices
• Easy Operation: No expensive equipment required, suitable for on-site and laboratory use
• Proven Quality: China’s only manufacturer with 15 consecutive years of No.1 product quality ranking

 
 
 
Why Choose NANKAI With over 20 years of rapid test technology development experience, NANKAI Biotech has maintained the top quality position in China for 15 consecutive years. Our Malachite Green Rapid Test Kit is widely trusted by leading seafood exporters, CMA/CNAS certified laboratories, and large-scale aquaculture enterprises.
 
 
 
We operate three CMA, CATL & CNAS accredited laboratories equipped with LC-MS/MS and GC-MS/MS systems, ensuring continuous matrix verification and real-world performance validation.
 
Typical Applications

• Aquaculture farms
• Seafood processing plants
• Seafood wholesale markets
• Import & export inspection and customs clearance
• Government food safety monitoring programs
• Food safety laboratories and supply chain QC

Technical Information

• Target Analyte: Malachite Green
• Sample Types: Fish, Shrimp, Crab, Shellfish and other aquatic products
• Sensitivity: 0.5 ppb
• Testing Time: 3-5 minutes
• Analysis Mode: Qualitative (visual) / Semi-quantitative
• Storage: 4–30°C
• Shelf Life: 15 months

 
Featured Seafood Rapid Test Kits
 
We offer a comprehensive range of high-performance rapid test kits for aquatic product safety.
 
Featured Seafood & Aquaculture Rapid Test Kits

• Malachite Green & Crystal Violet Rapid Test Kit
• Chloramphenicol Rapid Test Kit
• 4-in-1 Nitrofuran Metabolites Rapid Test Kit
• Fluoroquinolones Rapid Test Kit
• Sulfonamides Rapid Test Kit
• Tetracyclines Rapid Test Kit
• Enrofloxacin & Ciprofloxacin 2-in-1 Rapid Test Kit
• Histamine Rapid Test Kit
• Heavy Metal Cadmium Rapid Test Kit
• Heavy Metal Lead Rapid Test Kit

 
 
 
 
Available Test Targets
Antibiotics & Veterinary Drug Residues
Chloramphenicol
Fluoroquinolones
Sulfonamides
Tetracyclines
Oxytetracycline
Florfenicol
Thiamphenicol
Metronidazole
Norfloxacin
Ofloxacin
Lomefloxacin
Olaquindox
Quinocetone
 
 
 
 
Nitrofuran Metabolites
Furantoin Metabolite (AHD)
Nitrofurazone Metabolite (SEM)
Furaltadone Metabolite (AMOZ)
Furazolidone Metabolite (AOZ)
AOZ + SEM 2-in-1 Combo
AMOZ + AHD 2-in-1 Combo
AOZ + AMOZ + AHD + SEM 4-in-1 Combo
 
 
 
Banned Substances & Illegal Additives
Malachite Green
Crystal Violet
Sodium Pentachlorophenol
Sodium Pentachlorophenoxide
Methyltestosterone
Diethylstilbestrol
Diazepam
 
 
Quinolone Combination Tests
Ofloxacin + Pefloxacin
Enrofloxacin + Ofloxacin
Enrofloxacin + Ciprofloxacin
 
 
Heavy Metals & Seafood Quality Indicators
Cadmium
Lead
Histamine
 
Additional Solutions We also provide various combination test kits (2-in-1, 4-in-1), Tetracyclines, Florfenicol, Heavy Metal (Lead/Cadmium) and other specialized tests. For the complete catalog and latest updates, please visit our Aquaculture & Seafood Safety Solutions.
 
Contact Us Looking for a reliable and proven Malachite Green rapid test solution for your seafood business?
 
Contact NANKAI Biotech today for samples, quotations, technical documents, and application support. Let our 15-year proven expertise help you reduce risk, speed up testing, and strengthen your competitive advantage in the aquatic products market.
 
 

NANKAI Biotech develops and manufactures rapid testing solutions for real-world food safety risk control.

For more than 20 years, we have focused on fast, practical and reliable rapid screening technologies that help regulators, laboratories, distributors, exporters and food industry QC teams make faster food safety decisions.

NANKAI provides rapid screening and quantitative analysis solutions for pesticide residues, mycotoxins, illegal additives, aquaculture & seafood safety, veterinary drug residues, antibiotics, heavy metals & toxic elements, digital QC, traceability systems and related food safety applications.

What differentiates NANKAI is the combination of large-scale manufacturing, certified analytical laboratory verification and extensive real-world deployment experience.

We operate three CMA, CATL & CNAS certified analytical laboratories equipped with LC-MS/MS and GC-MS/MS platforms, supporting matrix verification, reference method comparison, rapid test performance evaluation and accredited third-party analytical testing services.

Our rapid testing solutions have been applied in Olympic-level food safety programs, major international events, government monitoring projects, grain & feed safety workflows, fruit & vegetable screening, tobacco & tea quality control, seafood and meat safety supervision, traditional herbal material testing, dairy and honey safety programs, factory QC and export risk-control workflows.

Highlights:
• Fast, practical and reliable rapid screening solutions
• 20+ years of rapid testing technology development
• 25,000+ m² manufacturing & laboratory facilities
• Three CMA, CATL & CNAS certified analytical laboratories
• LC-MS/MS & GC-MS/MS analytical capability
• Olympic-level and government project experience
• Billions of real-world screening applications
• Food safety monitoring, traceability and digital regulatory systems

NANKAI Biotech supports international partners with practical, scalable and laboratory-verified rapid testing solutions for food safety risk control.