NaturaSabor (real case — data altered under NDA), a food processing company in Santarem with 32 employees, produced preserves, sauces and jams for large retailers and gourmet shops. Traceability — mandatory by law and demanded by retail clients — was done on paper forms filed in ring binders. When a supermarket chain requested a recall of a specific batch, NaturaSabor took 4 days to identify all affected products. That incident prompted a complete digitalisation: real-time batch traceability, HACCP automation and shelf-life management. Result: traceability time dropped from 4 days to 15 minutes, waste from expired products fell by 72%, and the company won 3 new retail clients thanks to the system's credibility.
The Scenario Before: Paper Everywhere
The food industry is, arguably, the sector where traceability is most critical. A food safety issue can result in mass recalls, regulatory fines and, in the worst case, harm to public health. European legislation (Regulation 178/2002) requires that any food operator be able to trace, in both directions, the origin and destination of all ingredients and products.
At NaturaSabor, this requirement was met — but in a way that was, in practice, almost useless in emergency situations. Each raw material receipt was recorded on a paper form: supplier, batch of origin, expiry date, quantity, and result of visual inspection. Each production run was recorded on another form: recipe, raw material batches used, quantities, start and end times, cooking temperatures, and finished product batch.
These forms were filed in monthly binders, organised by production date. The quality manager, Dr Margarida, estimated that the company had over 2,000 binders in the archive — approximately 15 years of paper records.
The problem was not the recording — it was the retrieval. When the supermarket chain requested the traceability of batch L2025-0847, Dr Margarida had to: identify the production date of that batch (by consulting a dispatch Excel file), go to the archive to find the corresponding binder, locate the production form, identify the raw material batches used, cross-reference with the receipt forms, and then trace forward — which other finished products used the same raw material batches. Four days of dedicated work.
The Problem in Numbers
• 4 days to complete a full traceability exercise (backward and forward).
• 12 hours/week spent by the quality team on manual records.
• 8% waste from products exceeding their shelf life in the warehouse — due to lack of FEFO (First Expired, First Out) visibility.
• 3 non-conformities per year in client audits, related to traceability gaps.
• HACCP records on paper — cold room temperatures recorded manually 3 times per day, with a risk of human error.
The Diagnosis: Traceability, HACCP and Shelf Life
After two weeks of on-site analysis, we identified three priority intervention areas that, together, would transform the quality operation and drastically reduce risk:
1. Digital batch traceability. Every raw material, every production run and every dispatch must be recorded digitally, with automatic links between them. The system must allow tracing any batch — backward (ingredient origin) and forward (product destination) — in minutes, not days.
2. Automated HACCP. Temperature sensors in cold rooms with automatic logging and alerts in case of deviation. Total elimination of manual temperature records and the associated risks (forgetting, reading errors, falsification).
3. Shelf-life management. An automatic FEFO system ensuring that products with the nearest expiry date are dispatched first, with advance alerts for products at risk of expiring.
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Phase 1 — Digital Traceability (Weeks 1–6)
We developed a system that tracks every ingredient from receipt to dispatch of the finished product. At goods-in, the warehouse operator scans the raw material barcode with a handheld reader, records the supplier batch, expiry date and inspection result. The system automatically creates a digital batch record.
In production, when the operator starts a manufacturing order, the system displays the recipe with the required quantities. As ingredients are weighed and added, the operator confirms the batch of each raw material used — by barcode scan. The system automatically records all input batches and creates the link with the finished product batch.
At dispatch, each pallet is associated with a client order. The system records which batches were sent to which client, on what date and in what quantity. This entire chain — receipt → production → dispatch — is searchable in seconds.
The real proof of effectiveness came quickly: two months after implementation, a supplier notified NaturaSabor of a potential problem with an olive oil batch. Dr Margarida entered the supplier's batch into the system and, within 15 minutes, knew exactly: how many kilograms of that olive oil had been used, in which production runs, which finished product batches resulted, to which clients they had been dispatched and in what quantities. The surgical recall affected only 340 units of a single product — instead of a blanket recall that would have affected thousands.
Phase 2 — Automated HACCP (Weeks 4–8)
We installed wireless temperature sensors in NaturaSabor's 6 refrigeration chambers and 2 freezer rooms. The sensors record the temperature every 5 minutes and transmit the data automatically to the system. Manual records 3 times a day were eliminated — and, more importantly, so were the "gaps" in records during nights and weekends.
When the temperature of any chamber falls outside the defined range (for example, exceeds 5 degrees C in a chilled room), the system sends an immediate alert by SMS and email to the shift manager and Dr Margarida. The alert includes the affected chamber, current temperature, how long it has been out of range and the trend (rising or stabilising).
For audits, the system automatically generates HACCP reports with all temperature records, deviations that occurred, corrective actions taken and critical control point validations. A report that previously took 2 days to compile is now generated in 30 seconds.
Phase 3 — FEFO Shelf-Life Management (Weeks 6–10)
The warehouse management system was configured with FEFO (First Expired, First Out) logic. When an order is picked, the system tells the operator exactly which batches to use — those with the nearest expiry date. If a product is less than 30 days from its expiry and has no associated order, the system generates an alert to the commercial department for promotional action or redirection to another channel (for example, the factory shop).
The shelf-life dashboard shows, in a single view, all products in the warehouse organised by time to expiry: green (over 60 days), yellow (30–60 days), orange (15–30 days) and red (under 15 days). This visibility, which previously did not exist, enabled a drastic reduction in waste.
The Results: Before vs. After
Ten months after full implementation:
• Traceability time: from 4 days to 15 minutes (−99.6%).
• Waste from expired products: from 8% to 2.2% (−72%). Annual savings in non-wasted product exceeded EUR 28,000.
• Manual HACCP records: from 18/day to 0 — fully automated.
• Quality team time on records: from 12h/week to 3h/week (−75%).
• Non-conformities in audits: from 3/year to 0. The last client audit resulted in the highest score in the company's history.
• New clients won: 3 retail chains that required digital traceability as a prerequisite for supply.
• Temperature deviations detected: 14 in the first 6 months — all resolved in under 1 hour. Previously, these deviations would have gone unnoticed for hours or days.
The Financial Impact
The total investment — traceability platform, HACCP sensors, warehouse management system, hardware and training — was EUR 26,000. The direct return (waste savings + elimination of penalties + revenue from new clients) reached EUR 85,000 in the first year. Payback occurred in under 4 months.
But the most important value is the risk avoided. A poorly managed recall in the food industry can cost hundreds of thousands of euros in recalled product, lost clients and reputational damage. The ability to conduct a surgical recall in 15 minutes — affecting only the batches genuinely at risk — is an insurance policy no food company can afford to be without.
Lessons for Other Food Companies
1. Paper traceability is an illusion of control. It meets the legal requirement on paper — but when you actually need to use it, in an emergency, it fails. Digitalisation is not a luxury: it is an operational necessity.
2. Automated HACCP eliminates the human factor. The greatest risk with manual records is not error — it is forgetfulness. A sensor never forgets to record the temperature. And an automatic alert at 3 in the morning can be the difference between losing a room full of product and saving everything.
3. Digital traceability is a commercial advantage. More and more retailers require digital traceability systems as a supply condition. Companies that invest now are opening doors that, for their competitors, will remain closed.
Conclusion
Food safety is non-negotiable — and traceability is its foundation. NaturaSabor transformed what was a painful bureaucratic obligation into a genuine competitive advantage. With digital traceability, automated HACCP and intelligent shelf-life management, the company not only complies with the law to the highest standard but has won the trust of new clients and significantly reduced waste. The message is clear: in the food industry, digitalisation is not a question of "if" — it is a question of "when".
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