At Ayosifam Integrated Service Limited, we don’t just claim our whole-food flours are pure—we prove it with rigorous laboratory science.
Before launching our new industrial parabolic solar dryer hub, we set out to test our foundational processing methods. We submitted our Ayosifam Potato Flour (100% Sweet Potato)—processed using our meticulously managed sun-drying slab—to the independent public analysts at Jotham Analytical Consultants.
The official laboratory certificate (Certificate No. 26/AL/074) came back with outstanding results, declaring: “The condition of the sample is satisfactory.”
While these certified safety results are incredible for traditional open-air drying, they reveal the exact reasons why we just upgraded our technology to an enclosed parabolic solar dome. Here is a look at what the science says, and how our new hub takes these excellent results to an entirely new level.
1. The Moisture Challenge: Locking in the Standard Rain or Shine
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The Lab Result: Under ideal sun-drying conditions on our concrete slabs, we achieved a Moisture Content of just 7.328%.
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The Challenge: Traditional slab drying relies completely on the mercy of the weather. If it rains unexpectedly or stays cloudy for two days, the moisture content rises, increasing the risk of spoilage.
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The Parabolic Upgrade: Our new enclosed parabolic solar hub captures and amplifies solar-thermal energy. It takes our certified 7.3% moisture standard and locks it in permanently. It reduces drying times from days to a few hours, guaranteeing perfectly dry, shelf-stable flour 365 days a year, rain or shine.
2. The Microorganism Report: Turning Great Hygiene into Fortified Purity
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The Lab Result: The certificate showed 0 cfu/g (NIL) for E. coli and an exceptionally low Mould/Yeast count of just 2 cfu/g.
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The Challenge: Achieving a mold count of just 2 cfu/g on an open-air sun-drying slab requires immense, exhausting labor from our team to protect the food from birds, insects, and blowing dust. Any sudden wind or downpour can instantly ruin a batch.
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The Parabolic Upgrade: By transitioning our processing into a completely sealed, glass-house dome with elevated stainless steel racks, we have eliminated environmental risk entirely. Our new hub creates an ironclad barrier against airborne dust, sand, and pests, ensuring our near-sterile hygiene standard is delivered flawlessly in every single pack without human error.
3. Absolute Chemical Safety: Zero Toxins, Zero Heavy Metals
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The Lab Result: Cyanide (ND), Arsenic (ND), Cadmium (ND)—Not Detected.
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What it means for you: Our sweet potatoes are sourced from independent smallholders using clean, unpolluted soil, and our handling procedures ensure zero chemical contamination. By keeping our flours completely free from toxic heavy metals and natural tuber toxins, we ensure your vital organs are protected.
4. Preserving Nature’s Nutritional Architecture
Because we use clean thermal energy instead of harsh, smoky fossil fuels, our flours retain their full nutritional power:
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Carbohydrates (76.54%): Clean, premium energy to power your family’s active day.
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Crude Protein (8.258%): A robust protein profile for a tuber flour to support muscle health.
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Crude Fibre (3.754%): High natural fiber that promotes gut health and slows down digestion, helping to manage blood sugar levels far better than highly processed white starches.
