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Is your food really what the label says?
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Wednesday, 29 July, 2026, 08 : 00 AM [IST]
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Dr. Ramprasad Kuncham
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Every time we buy food, we make an invisible purchase: we buy trust. Whether it is honey poured over a child's breakfast, fragrant Basmati rice served at dinner, or premium seafood ordered at a restaurant, we assume the food is exactly what the label claims.
Few of us ever stop to ask: "Is this food really what it claims to be?"
Until something goes wrong, most of us never do.
For generations, consumer trust was built on brand reputation. Today, across an increasingly complex global supply chain, trust must be backed by scientific evidence. Food travels through farmers, processors, traders, manufacturers, exporters, distributors, and retailers before reaching our plates. At every stage, mistakes, contamination, or deliberate fraud can occur. Modern consumers expect more than attractive packaging - they demand proof that their food is safe, authentic, ethically sourced, and correctly labelled.
Once spices are ground into powder, fish is filleted, meat is minced, or herbs are processed, visual identification becomes impossible. Two products may look identical while being biologically completely different.
Science can uncover what the human eye can never see.
When food fraud reshaped the world
History proves the devastating impact of untraceable supply chains and economically motivated adulteration:
- International crises: The melamine-tainted infant formula in China, Europe’s horsemeat scandal, Mad Cow Disease, Belgium’s dioxin crisis, and the fatal E. coli outbreak linked to fenugreek sprouts permanently altered global food regulations.
- Border controls & import alerts: Compliance goes beyond health; it dictates trade. Japan’s 2026 temporary import suspension of Indian mangoes over phytosanitary facility procedures demonstrated that export success hinges on strict scientific verification. Global border alerts over pesticide residues, ethylene oxide, and microbiological risks reinforce that scientific evidence is the ultimate passport for global trade.
Food safety is no longer just a public health duty - it is an economic necessity, a trade prerequisite, and a cornerstone of national reputation.
India’s lessons from past challenges
India has faced several significant food safety incidents that emphasize the need for stronger verification and traceability:
- 1998 Delhi mustard oil tragedy: Adulteration with Argemone oil resulted in more than 60 deaths.
- 2013 Bihar mid-day meal tragedy: Highlighted severe gaps in quality oversight within public nutrition initiatives.
- 2015 Maggi noodles recall: Concerns over lead content and labelling compliance demonstrated that even globally trusted brands are subject to rigorous scientific testing and regulatory oversight.
- 2001 Endosulfan tragedy in Kasaragod: Prolonged aerial spraying over cashew plantations contaminated the local ecosystem and food chain, causing thousands of cases of congenital disabilities, neurological issues, and reproductive problems. This underscored the severe consequences of failing to monitor agricultural chemicals.
- 2024 Adulteration reports: State authorities uncovered counterfeit milk, paneer, and ghee made with synthetic components and non-dairy fats. Additionally, spices like chilli powder, turmeric, and cumin were found containing artificial colours, fillers, and prohibited substances.
- Recent investigations: Issues surrounding honey adulteration, spice exports, and the Tirupati Laddu debate have emphasized the essential need for lab testing, supplier verification, and complete end-to-end traceability.
The everyday reality of food fraud
Food fraud is far more pervasive in everyday kitchens than most realize:
- Staples & dairy: Milk diluted with starch, urea, or detergents; ghee stretched with palm oil or vegetable fats; wheat flour mixed with inferior grains.
- Spices & condiments: Turmeric laced with toxic lead chromate; chilli powder coloured with synthetic dyes; black pepper mixed with papaya seeds; cumin padded with sawdust.
- Beverages & oils: Honey and maple syrup diluted with cheap sugar syrups; premium olive oil stretched with seed oils; tea blended with exhausted leaves or synthetic dyes; coffee diluted with chicory.
- High-value products: Premium Basmati rice blended with inferior varieties; seafood species substituted with cheaper alternatives; synthetic vanillin passed off as natural vanilla; medicinal herbs swapped with incorrect plant species.
Beyond species substitution, emerging chemical threats like microplastics, PFAS ("forever chemicals"), and undeclared fillers in dietary supplements present complex new challenges. Fraud deceives buyers, penalizes honest producers, damages brand equity, and directly threatens public health.
Why conventional testing isn't always enough
Modern food laboratories rely heavily on chemistry and microbiology methods. While these methods remain indispensable, they struggle to answer one fundamental question:
"Is this biological ingredient really what the label claims?"
A processed fish fillet no longer resembles the whole fish, powdered spices lose their physical identity, and premium grain varieties can look identical to cheaper alternatives. Traditional analytical chemistry alone cannot reliably distinguish between closely related biological species or varieties.
This is where DNA technology becomes a game-changer.
DNA: Nature's permanent identity card
Every plant and animal possesses a unique genetic identity. Unlike colour, taste, or texture, DNA remains a reliable biological signature even after significant processing. By analyzing this genetic fingerprint, scientists can verify the exact biological origin of food ingredients with unmatched precision.
Two primary molecular technologies are transforming food authentication:
- DNA barcoding: Identifies plant, animal, fish, and microbial species using standardized genetic markers. It is widely used to detect species substitution in seafood, meat, spices, and herbal products.
- DNA fingerprinting: Goes a step further by distinguishing closely related crop varieties and animal breeds. It verifies pure Basmati rice, authenticates premium coffee and tea, confirms livestock breeds, and assesses seed purity.
Emerging tools such as portable DNA sequencing devices, AI-assisted data analysis, and real-time digital traceability are enabling laboratories to verify food authenticity within hours rather than days. As these technologies scale, scientific authentication will become a routine standard in production, quality control, and international trade.
DNA is powerful but not a complete solution
Despite its power, DNA testing cannot detect everything. Contaminants like pesticides, heavy metals, melamine, urea, detergents, veterinary drug residues, and industrial dyes contain no biological DNA. Detecting these non-biological threats requires advanced analytical techniques such as LC-MS/MS, GC-MS/MS, ICP-MS, and HPLC.
The future of food safety does not lie in replacing chemistry with genetics, but in integrating molecular biology, analytical chemistry, microbiology, artificial intelligence, and digital traceability into a single, unified authentication framework.
Together, these integrated technologies answer four core questions:
- Is the food safe?
- Is it genuine?
- Does it contain exactly what the label claims?
- Can every ingredient be traced back to its true origin?
India's strategic opportunity
As one of the world's largest food producers, exporting to over 200 countries and territories, India has a strategic opportunity to lead the global market in scientifically authenticated food.
DNA-based authentication can:
- Protect Geographical Indication (GI) products like Basmati rice, Darjeeling tea, and Alphonso mangoes from counterfeiting.
- Strengthen regulatory enforcement and reward compliant producers.
- Eliminate trade barriers and boost export competitiveness.
While India has made commendable progress through updated FSSAI regulations and modernized lab infrastructure, the next leap forward requires embedding DNA technology, advanced analytical testing, and digital supply-chain tracking across the entire food ecosystem from farm to fork.
The future belongs to science
Tomorrow's consumers will demand proof beyond basic safety:
- "Can you prove where this came from?"
- "Can you prove it is genuine?"
DNA technology, combined with advanced chemistry, artificial intelligence, and blockchain traceability, gives every food product a scientifically verifiable identity. For India and global food markets alike, this represents more than an operational upgrade, it is the ultimate pathway to building unshakeable consumer trust.
For centuries, food was judged solely by taste. Tomorrow, it will be judged by its identity, authenticity, and scientific proof.
The future of food is no longer just about what we eat - it is about what we can prove.
(The author is scientist & entrepreneur)
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