The macadamia industry is thriving, particularly in regions like Bundaberg, where growth has been accelerating in recent years. But behind every delicious macadamia nut is a careful process that takes it from harvest to the final product—and an opportunity to turn what was once considered waste into something valuable.
From Orchard to Processing: The Role of Moisture
When macadamia nuts are first harvested, they contain around 30% moisture—far too high for cracking and processing. At this stage, the nut is still soft and unsuitable for consumption. To ensure quality, macadamia nuts undergo a controlled drying process, reducing moisture levels to around 1.5% before they can be cracked.
This step is essential to:
✅ Prevent mold and spoilage
✅ Ensure a clean, even break when cracked
✅ Preserve the nut’s crunch and rich flavour
The Next Step: Repurposing Macadamia Waste
At ORECO, we see opportunity in every stage of production—including what happens after the nut is processed. That’s why we’re excited to partner with Nutworks in Yandina to repurpose macadamia waste materials in a way that benefits both agriculture and the environment.
Closing the Loop: How We’re Making a Difference
Rather than letting by-products go to waste, we’re transforming them into resources that can be reused within the industry itself:
Macadamia Husks → Compost
After the nut is removed, the husks are composted and returned to macadamia farms, enriching the soil and supporting the next generation of trees. This helps create healthier, more fertile land, reducing the need for synthetic fertilisers.
Macadamia Shells → Value-Added Products
The hard outer shell of the macadamia can be repurposed for a variety of uses, reducing waste and finding new ways to add value.
Innovation at the Heart of ORECO
At ORECO, we are always looking for ways to push boundaries and bring smarter, more sustainable solutions to the manufacturing and agricultural industries. By working with partners like Nutworks, we’re taking real steps toward a circular economy, where natural resources are used to their full potential.
The next time you enjoy a macadamia, take a moment to appreciate the journey behind it—because sustainability isn’t just about what we consume, but how we use everything that comes with it.
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