Food Safety Detection

Food Safety Detection

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Food safety is receiving more and more attention, and Alfa Chemistry is able to provide various types of food quality control and testing services using colloidal gold immunochromatography technology. Our colloidal gold testing service has the advantages of convenience, speed and accurate testing results, which can effectively improve the quality and level of food safety testing. Our testing engineers can provide customers with professional technical guidance.

Food Safety Detection

Our Services

Food Quality Control

We are able to perform rapid semi-quantitative analysis of components in food using colloidal gold immunochromatography. Our testing components include protein, carbohydrates, fats, moisture, minerals, vitamins, and more.

Food Safety Detection

  • Detection of harmful microorganisms
    Our detection range includes but is not limited to: Brucella, Escherichia coli, Salmonella, Staphylococcus aureus, Vibrio cholerae, Listeria, etc.

Overall process of the colloidal gold immunochromatographic signal-amplifying assayFig.1 Overall process of the colloidal gold immunochromatographic signal-amplifying assay for detecting E. coli O157:H7.[4]

  • Detection of biological toxins, pesticides and veterinary drug residues
    Our detection range includes but is not limited to: Aflatoxin B1, Fumonisin B1, Ochratoxin A, Estrone, 17β-Estradiol, Diethylstilbestrol, Nitrofurazone, Malachite green, Enrofloxacin, Sarafloxacin, Amantadine, Estriol, Sulfadiazine, Sulfamethazine, Paraquat, Methyl parathion, Ricin, etc.

Schematic illustration of gold nanoparticles (GNPs) used as colorimetric sensors for the detection of organochlorendosulfan pesticides (ESPs). Fig.2 Schematic illustration of gold nanoparticles (GNPs) used as colorimetric sensors for the detection of organochlorendosulfan pesticides (ESPs).[5]

  • Detection of illegal drugs
    Our detection range includes but is not limited to: Papaverine, Morphine, Amantadine, Clenbuterol hydrochloride, Ractopamine, etc.

Why Us?

  • The colloidal gold immunochromatography technology used by Alfa Chemistry can meet a wide detection range.
  • The reagents used in Alfa Chemistry's colloidal gold technology have low toxicity and do not cause environmental pollution.
  • The detection process of Alfa Chemistry does not involve large-scale equipment and is easy to operate.
  • Alfa Chemistry guarantees high sensitivity and accuracy of test results.

References

  1. Gang Wu, et al. Application of Colloidal Gold Immunochromatography In Food Detection. Science and Technology of Food Industry. 2007.
  2. Yu Zhen, Jianmei Li. Exploring the Application of Colloidal Gold Immunochromatography Technology In Food Safety Detection. China Food Safety Magazine. 2018.
  3. Ying Wang, et al. Photothermal card reader assay using the commercial colloidal gold test strip for the rapid quantitative detection of food hazards. Microchimica Acta. 2022.
  4. Jing-Yun Wang, et al. Development of colloidal gold immunochromatographic signal-amplifying system for ultrasensitive detection of Escherichia coli O157:H7 in milk. RSC Adv. 2015, 5(76):62300-62305.
  5. Goel P, Arora M. Fabrication of chemical sensor for organochlorine pesticide detection using colloidal gold nanoparticles. MRS Communications. 2018, 8(3):1-8.

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