Through our global network of testing experts and analytical equipment including chromatography (HPLC, GC, GC/MS) and atomic absorption spectroscopy (AAS, GFA, FIAS), Our goal is to provide test services as efficiently as possible to maximize our customers' profits. For more information about our services, contact one of our experts today.
Note: this service is for Research Use Only and Not intended for clinical use.
Alfa Chemistry agricultural products & crops analysis is a leading testing service in the assurance, testing and inspection of agricultural commodities. Agricultural products & crops quality safety refers to the reliability, usability, and intrinsic value of agricultural products & crops, including the formation, remaining nutrients, hazards, and external characteristic factors in production, storage, circulation, and use. As a globally respected provider of inspection services, Alfa Chemistry works all the important international standards and guidelines including ISO, GOST, TQSA, USDA, FDA, FOSFA, GAFTA, IFT, AOCS and SAL to offer a variety of agricultural products & crops analysis.
Alfa Chemistry owns plenty of professional analytical techniques and equipment for agricultural products & crops, which enables us to provide you with tailor-made services that will definitely exceed your expectations and straightforwardly solve local and global challenges for you.
Sensory Indicator testing: (e.g. color, aroma, taste, texture, etc.)
Physical testing: (e.g. mixture, test weight, foreign matter, etc.)
Chemical testing: (e.g. protein, gluten, fat, free fatty acid, etc.)
Contaminant testing: (e.g. radioactivity, heavy metals, mycotoxins,veterinary drug, pesticides)
GMO testing: (genetically modified organisms)
Microbiology testing: (e.g. Salmonella, Listeria, E. coli, etc.)
Environment of producing area testing: (e.g. water, soil, air, etc.)
Chromatography Systems
Gas Chromatography (GC) - For analyzing volatile compounds, pesticide residues, and fatty acid profiles.
High-Performance Liquid Chromatography (HPLC) - For quantifying vitamins, pigments, sugars, and other non-volatile compounds.
Spectroscopic Instruments
UV-Vis Spectrophotometers - Measure concentrations of specific compounds through absorption.
Atomic Absorption Spectroscopy (AAS) - Detect and quantify mineral elements like calcium, iron, and zinc.
Inductively Coupled Plasma Mass Spectrometry (ICP-MS) - Highly sensitive multi-element analysis.
Near-Infrared (NIR) Spectroscopy - Rapid analysis of moisture, protein, fat, and other macronutrients.
Microscopy
Light Microscopes - Examine food structures, identify contaminants, and assess quality.
Scanning Electron Microscopes (SEM) - Provide high-resolution images of food microstructures.
Thermal Analysis
Differential Scanning Calorimetry (DSC) - Measure heat flow to characterize phase transitions and thermal properties.
Thermogravimetric Analysis (TGA) - Quantify moisture, volatile compounds, and thermal stability.
Other Instruments
Bomb Calorimeters - Directly measure the total caloric content of food samples.
Texture Analyzers - Assess the mechanical properties and texture profile of agricultural products.
Rheometers and Viscometers - Characterize the flow and viscoelastic behavior of foods.
Wang, Ting, et al. Scientific Reports 7.1 (2017): 4348.
Aspergillus flavus and Aspergillus parasiticus are well-known producers of aflatoxins, frequently contaminating agricultural products such as peanuts, corn, rice, and their derived products. The toxins produced by these fungi can pose significant health risks and substantial economic losses due to the spoilage of agricultural products caused by the fungi. Therefore, the detection and prevention of Aspergillus contamination or the reduction of aflatoxin levels in many agricultural products, especially grains, is extremely important.
Using a sandwich ELISA based on nanobodies and polyclonal antibodies, this method can selectively and effectively detect Aspergillus strains that produce aflatoxins in agricultural products. This approach may help detect them before they mature to the point of producing high concentrations of aflatoxins.
Yu, Y., You, J., Sun, Z., Li, G., Ji, Z., Zhang, S., & Zhou, X. (2019). Analytica chimica acta, 1055, 44-55.
As a typical representative, organophosphorus pesticides (OPPs) are commonly used for pest control. Humans can be affected even by low concentrations of OPPs through dietary intake. Based on their mechanism of action related to the inhibition of acetylcholinesterase, they can cause weakness or muscle paralysis in cases of acute exposure, and chronic exposure may affect neurological development and growth. Therefore, the development of a reliable analytical method for the determination of OPP residues in agricultural products seems to be highly necessary and important.
Chemically Induced Isotope Labeling coupled with High-Performance Liquid Chromatography-Tandem Mass Spectrometry (CIL-HPLC-MS/MS) is an effective method for the quantitative analysis of target molecules. This method can quantify the residues of organophosphorus thioester pesticides (OPTPs) in agricultural products by measuring the cleavage products of thiol (CP-thiol) compounds.
Sharma, H., Saha, A., Mishra, A. K., Rai, M. K., & Deb, M. K. (2022). Journal of the Indian Chemical Society, 99(7), 100483.
Glyphosate products are primarily used before traditional crop cultivation and after planting of glyphosate-resistant genetically modified crops. Gradually, glyphosate is also used as a "harvest aid" for drying. Furthermore, they are widely used between trees in forestry and orchards. The various adverse effects of glyphosate, including mutagenicity, teratogenicity, and being one of the most carcinogenic, make the determination of its residues in environmental samples very important for monitoring health hazards and pollution.
A novel spectrophotometric technique has been created to detect glyphosate in environmental and agricultural samples with high sensitivity. The process involves diazotization, followed by the reaction of glyphosate with p-dimethylaminobenzaldehyde. The resulting compound displays a characteristic absorption peak at 420 nm. Furthermore, the method was evaluated for its selectivity towards glyphosate in the presence of other metal ions and pesticides.
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