Contaminants and Residues

Contaminants / Residues from pesticides and veterinary drugs in the food supply chain very serious health concerns for consumers across the globe. Tamilnadu Test House provides analytical testing services to identify the whole array of food contaminants and confirms that the quality of food products fall within the prescribed regulatory standards.


TNTH testing House of excellence have deployed approved and advance methods for the detection of contaminants like pesticides, mycotoxins, dioxins, veterinary drugs, heavy metals and radioactive substances.

A range of latest analytical tools & methods are in practice for quantitative analysis of contaminants and residues: GC-MS/MS triple quadruple, HPLC/MS/MS (Ion Trap) for faster and accurate results.

Expert testing for food contaminants

Veterinary Drugs

Tamilnadu test House provides reliable testing for over 100 veterinary drugs (hormones, beta-agonists, NSAIDs, antibiotics, etc.) in a wide variety of food matrices. Depending upon the client requirement and matrices TNTH offers single or multi-screening methods (LC-MS/MS and GC-MS/MS).


Agricultural commodities like nuts, grain, cereals, spices and dried fruits get contaminated by a naturally occurring chemical substance called Mycotoxins which are produced by Molds (fungi). Food products contaminated with Mycotoxins causes acute illness and a prolonged intake might lead to cancer. Many countries across the globe have strict regulations to limit Mycotoxins in food to ensure safety of consumers. Many countries have adopted regulations to limit consumer exposure to mycotoxins. Among them the most requested Mycotoxins are Aflatoxins, Fumonisins, Patuline, Trichothecenes and Octratoxins.


The threat posed by the presence of pesticides in food & feed products prompting governments acroos the globeto establish strict regulatory standards. Our strong team is fully equipped to make client’s product complaint to regulatory requirements anywhere across the globe for around 600 different pesticides. We offer testing services for a whole in a full range of matrices which includes cereals, fruit and vegetables, meat, fish, dairy, fat and beverages..

Dioxins, furans and PCBs

Dioxins are a class of chlorinated compounds that, together with dioxin-like PCBs & furans , which persists in the environment generally, accumulate in the food chain and causing a host of adverse health effects in humans. This has become a serious global concern for human beings and the environment. Our team is well experienced in dioxin & PCB testing in foodstuffs and for environmental matrices such as water &soil. Our services ensure the safety and integrity of food products in accordance with global regulatory standards.

Heavy metals

A small quantity of toxic heavy metals present as residues in food will have an adverse effect on human health. Tamilnadu Test House provides routine testing for arsenic, cadmium, lead, mercury and others, employing ICP/MS to meet high sensitivity even in very complex matrices and in baby food.

Tamilnadu Test House Private Limited offers wide range of Food testing services



Food Nutrition Analysis

Nutritional Labeling


Quality Analysis


Food borne virus deduction


Microbial Analysis

vitamin analysis in Chennai,

Authenticity testing


Allergen Control


Food Contact material


Ingredients and Additives


Flavor and Fragrance

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