Dr Sheeba Veluthoor
29 Sep
29Sep

Can you rely on a food or water test report simply because it comes from a laboratory?

For a food manufacturer, exporter, hospital or product developer, the answer depends on how the testing was carried out. The methods used, laboratory controls and competence of the testing team all matter. This is where accreditation becomes important. Choosing an NABL accredited lab in Calicut gives businesses a way to check whether a laboratory has been assessed for competence in specific testing activities.

What Does NABL Accreditation Tell You About a Laboratory?

NABL stands for the National Accreditation Board for Testing and Calibration Laboratories. It assesses laboratories against recognised requirements for technical competence and quality systems. For testing laboratories, ISO/IEC 17025 is the main standard used for this assessment.

There is one detail businesses should check carefully. NABL accreditation is linked to a defined scope of testing. A laboratory may be accredited for certain food or water tests without every test it performs being covered under that accreditation. Before submitting a sample, it is therefore worth checking whether the particular test you need is included in the laboratory's accredited scope.

This matters because a test result is useful only when you have confidence in the process behind it.

Food Testing Can Answer Questions That Visual Inspection Cannot

A food product may look and taste normal while still having a quality or safety issue. Microbial contamination, excess chemicals, adulteration or an unexpected nutritional value may not be visible during routine handling.

The testing requirement also changes from one product to another. A packaged food manufacturer may need microbiological analysis. An exporter could require pesticide residue testing or other quality checks. A new food business may need nutritional analysis before preparing product information.

A Food testing lab in Calicut, Kerala should therefore be selected based on the tests relevant to the product and its intended use.

Depending on the requirement, food analysis may cover:

  • Microbiological quality and contamination
  • Chemical composition
  • Nutritional values
  • Pesticide residues
  • Food adulteration
  • Other product-specific quality parameters

The goal is not to order every available test. It is to identify the tests that can answer the quality or safety question you actually have.

Water Quality Needs to Be Checked Against Its Intended Use

Water testing works in much the same way. Clear-looking water does not necessarily mean that it is safe or suitable for a particular application. The source also matters. Borewell water, groundwater, drinking water and treated water can have very different testing requirements.

A Water testing lab in Kozhikodemay assess physical, chemical and microbiological parameters depending on the purpose of the analysis. Common checks can include pH, turbidity, TDS, hardness and chloride. Microbiological analysis may include indicators such as total coliform and E. coli. Additional parameters may be required when there is a specific contamination concern or a particular end use.

For hospitals, healthcare facilities, industries and other establishments, these results can help identify potential water quality problems and determine whether treatment or further investigation is necessary.

Laboratory Testing Also Supports Product Development


Testing is not limited to checking a finished product after production. It can be useful much earlier, particularly when a business is developing something new.

A food entrepreneur may need nutritional data to prepare accurate product information. A manufacturer may need to understand how a product changes during storage before deciding its shelf-life period. Product developers may also need testing at different stages while improving a formulation.

A Nutritional Laboratory in Calicut, Kerala can support businesses that require nutritional analysis of their products. Product Shelf life study services Calicut, Kerala  can help assess how selected product characteristics change during storage.

Shelf-life studies can involve monitoring relevant physical, chemical or microbiological properties over a defined period. The testing plan should be based on the product, packaging and storage conditions rather than following the same approach for every food item.

Look Beyond the Price of a Test

Laboratory charges are important when planning a testing budget, but price alone does not tell you whether a laboratory is suitable for your requirement.

Before choosing a testing service, a business should look at the laboratory's testing scope, methods, sample requirements and reporting process. It is also useful to discuss the purpose of the test with the laboratory before sending the sample.

For example, a food testing laboratory in Kozhikode should be able to clarify which parameters are appropriate for the product instead of simply providing a standard package.

A few practical questions can help:

  • Is the required test included in the laboratory's NABL scope?
  • Which parameters are relevant to the product or water source?
  • How should the sample be collected, stored and transported?
  • What information will the final test report contain?
  • Are additional tests necessary for the intended purpose?

Getting these points clear at the beginning can prevent unnecessary testing and make the final report more useful.

Choose the Laboratory That Fits the Testing Requirement

NABL accreditation is an important factor when selecting a laboratory, but it should be considered along with the laboratory's specific testing scope and experience with the type of sample being analysed. The right choice depends on what you need to find out from the sample.

For businesses looking for a food and water testing lab in Calicut, CoreValleys offers testing and related laboratory services that can support food, water and product development requirements. Choosing a laboratory with the relevant testing capabilities can help businesses obtain dependable information for quality checks, product decisions and further action.

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