☕ What Are Mycotoxins in Coffee? And How Northside Coffee Keeps Your Beans Safe and Clean
- Adam | Northside Coffee
- Jun 21
- 2 min read
If you're someone who cares about what goes into your cup of coffee—and your body—you may have come across the term mycotoxins when searching for healthy coffee online. At Northside Coffee, we take quality and safety seriously, and that means making sure the coffee beans you buy online from us are as clean and safe as they are delicious.
In this post, we’ll unpack what mycotoxins are, how they affect coffee, and what we do to make sure your beans stay toxin-free—every step of the way.
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🌿 What Are Mycotoxins?
Mycotoxins are naturally occurring toxins produced by certain types of mould. In the coffee world, Ochratoxin A (OTA) is the one people talk about most. It’s not something added to coffee—it can develop during the drying or storage phase of green beans, especially if they're exposed to too much moisture.
Don’t panic—this isn’t a horror story. It’s actually a basic quality control issue that any reputable coffee roaster knows how to manage.
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💧 Moisture: The Real Culprit Behind Mycotoxins
The development of mycotoxins is closely linked to moisture content in coffee beans. Industry standards are clear: green coffee should have a moisture level under 12.5%. Anything above that increases the risk of mould—and therefore, toxins.
At Northside Coffee, we have the moisture content of every green coffee tested and recorded. Our last one test recorded a perfect 10.4%.
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🔍 How Northside Coffee Minimises Mycotoxins
We follow a strict, transparent process from sourcing to shipping:
✅ Sourcing beans from trusted producers
✅ Moisture tests on arrival in the UK (always under 12.5%)
✅ Visual inspections for mould or damaged beans
✅ Cupping and taste tests to detect any musty or off notes
✅ Clean, dry storage conditions
✅ Fresh roasting, which eliminates up to 80% of any remaining toxins
In other words, we don’t just tick boxes—we build safeguards at every step.
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🧪 What About Lab Testing?
Yes, you can get beans tested for OTA. But those tests only show what's present at a single point in time. Mould can grow later if the beans are stored poorly, even after a “clean” test result. That’s why we focus on systematic prevention, not just reactive testing.
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👀 What Should You Look for as a Coffee Lover?
If you're looking to buy clean, specialty-grade coffee online, here are a few key things to check for:
Moisture content below 12.5%
Transparent sourcing info
Regular roasting schedule
Safe storage and transport
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✅ Why You Can Trust Northside Coffee
Our coffee isn’t just freshly roasted in the UK—it’s responsibly sourced, rigorously tested, and obsessively quality-checked. We roast in small batches and ship quickly, so you're always getting peak flavour and safety in every bag.
📦 Ready for coffee that’s clean, safe, and absolutely delicious?
👉 Shop our full range of freshly roasted coffee beans now
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Final Sip
Mycotoxins might make headlines, but they’re easy to prevent with care and knowledge. We take pride in doing things the right way—from farm to cup. Every roast from Northside Coffee is packed with flavour and free from worry.
☕ Buy your coffee online with confidence.
❤️ Roasted fresh. Shipped fast. Tasted thoroughly. Trusted always.
👉 Visit our shop and try the difference.
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