How We Test Our Honey: 5 Independent Labs, One Unbreakable Standard

Forest Fresh Honey tests every single batch across five independent laboratories before it reaches you. Each lab checks something different — Total Activity (TA), hydrogen peroxide equivalence (WDPE), pollen authenticity, antioxidant levels, and food safety — so that no single number tells the whole story. Every jar ships with a Certificate of Analysis.

Key Points

• Five separate accredited laboratories test every production batch
• Tests cover TA rating, WDPE (hydrogen peroxide activity), Jarrah Factor™, pollen markers, and full food safety screening
• All testing is independent — no in-house labs, no conflicts of interest
• Certificates of Analysis (COAs) are available on request for every batch
• The process draws on peer-reviewed science, including Guttentag et al. (2021) and Islam et al. (2024)

When customers ask why Forest Fresh Honey costs more than the generic jar on the supermarket shelf, the answer starts in a laboratory — actually, in five of them.

Most honey brands either don't test at all or rely on a single internal test to confirm their TA rating. We've never thought that was enough. The bioactive properties of Jarrah honey are complex, layered, and scientifically measurable — but only if you test for the right things, with the right methods, independently. A single number on a label is only meaningful when it's backed by a chain of verification that can't be compromised by commercial incentive.

This article walks through exactly what we test, which independent labs we use, what each test actually measures, and why this system exists — so you can understand what "independently tested" actually means when Forest Fresh Honey says it.

Why Independent Testing — Not In-House — Matters

There's a simple rule in quality assurance: don't mark your own homework.

In-house testing — where the company that sells the honey also runs the tests on that honey — creates an obvious conflict of interest. When a batch is borderline, the commercial pressure to pass it is immense. Independent laboratories have no stake in the result. Their accreditation depends on accuracy, not on keeping their clients happy.

Every Forest Fresh Honey batch is tested at laboratories that operate under NATA accreditation (the National Association of Testing Authorities, Australia) or equivalent international accreditation standards. These are facilities that perform testing for pharmaceutical companies, government food agencies, and research institutions. When they issue a Certificate of Analysis, that document carries real weight.

We also believe in full transparency. Certificates of Analysis are available on request for any batch you've purchased. If you want to see the raw numbers behind the jar in your pantry, we'll send them to you.

The 5-Lab Testing Framework

Lab 1: Total Activity (TA) Testing

Total Activity is the headline number — the rating printed on every Forest Fresh jar. TA35+, TA40+, TA50+. But what exactly is being measured?

TA represents the total antimicrobial activity of the honey, expressed as an equivalent concentration of phenol (in percentage) that would produce the same inhibitory effect on bacterial growth. In practice, the lab measures how effectively the honey inhibits a standardised bacterial culture and expresses that as a TA rating.

For Jarrah honey, TA is especially meaningful because it captures two distinct antimicrobial mechanisms — hydrogen peroxide activity (peroxide activity, or PA) and non-peroxide activity (NPA). This is different from Manuka honey, which relies almost entirely on NPA from methylglyoxal (MGO). Jarrah's dual mechanism is one of the reasons it performs so well against a broad spectrum in laboratory settings.

The TA test is performed using standardised agar well diffusion methods, and results are validated against control solutions to ensure consistency between batches and between testing runs.

Lab 2: WDPE — Water Dilution Peroxide Equivalent

WDPE stands for Water Dilution Peroxide Equivalent. It is the gold-standard method for quantifying the hydrogen peroxide (H₂O₂) component of honey's antimicrobial activity.

This measurement matters because hydrogen peroxide activity is one of the things that makes Jarrah honey unique. Most high-grade honeys with significant antimicrobial activity rely on non-peroxide mechanisms (like MGO in Manuka). Jarrah honey is exceptional in that it generates meaningful hydrogen peroxide activity in addition to its non-peroxide activity.

The hydrogen peroxide isn't present in the jar — it's generated enzymatically when the honey is diluted (for example, when it contacts moisture in a wound or in the body). The enzyme responsible is glucose oxidase, which converts glucose to gluconolactone and hydrogen peroxide. Measuring WDPE accurately requires careful dilution protocols to prevent the H₂O₂ from being destroyed by catalase before it can be quantified.

Research by Guttentag et al. (2021) made important advances in standardising hydrogen peroxide measurement in honey, addressing the methodological inconsistencies that had made earlier WDPE results difficult to compare across laboratories. Our testing protocols incorporate these updated methods to ensure our WDPE readings are accurate, reproducible, and comparable with published research standards.

Lab 3: Jarrah Factor™ — The Composite Quality Measure

The Jarrah Factor™ is a proprietary quality composite developed by Forest Fresh Honey and validated through our laboratory partners. It is not simply TA re-expressed — it incorporates antioxidant capacity, prebiotic activity markers, specific phytochemical profiles, and other bioactive indicators that a straight TA test does not capture.

Why does this matter? Because two jars of Jarrah honey can share the same TA rating while differing significantly in their total bioactive profile. A honey that scores TA40+ through strong peroxide activity but has low antioxidant levels is a different product — with different nutritional and wellness properties — from a honey that achieves TA40+ with a rich polyphenol profile and measurable prebiotic activity.

The Jarrah Factor™ is only measured and certified by Forest Fresh Honey. No other brand currently offers this composite standard.

Lab 4: Pollen Authentication

Pollen analysis is how you prove the honey is what it claims to be.

Every honey variety has a characteristic pollen fingerprint. Jarrah honey (Eucalyptus marginata) contains pollen from Jarrah flowers in proportions that are botanically identifiable under a microscope. Palynological analysis — the scientific examination of pollen — is one of the most reliable tools in honey authentication.

Islam, Barbour & Locher (2024), published in PeerJ Chemistry, examined authentication markers for Western Australian honey varieties and found that combining pollen analysis with chemical profiling substantially improved the ability to verify geographic and botanical origin. Our testing programme incorporates pollen analysis as a non-negotiable step precisely because it's the hardest data to fake.

Pollen authentication also matters in export markets. Forest Fresh Honey exports to 17+ countries through honey-x.au, and customs authorities in key markets including the EU, UK, Japan, and the US require robust botanical origin documentation. Our pollen COAs provide that documentation for every batch.

Lab 5: Food Safety — Residues, Contaminants, Microbiology

The fifth and final laboratory test is comprehensive food safety screening. This covers:

• Antibiotic residues: Screening for any residues from veterinary treatment (Jarrah honey's source hives are managed without preventive antibiotic use, but verification is mandatory)
• Pesticide/agrochemical residues: Jarrah forests are non-agricultural environments with no herbicide or pesticide application — testing confirms this
• Heavy metals: Cadmium, lead, arsenic, mercury
• Microbiology: Yeast counts, moisture content verification (high moisture can allow fermentation), and general microbial load
• Hydroxymethylfurfural (HMF): A degradation marker that indicates overheating or age — low HMF confirms freshness and proper handling

This battery of tests is the same standard required for pharmaceutical-grade ingredients. It's more than food law requires, but it's what we believe customers paying premium prices for premium honey should expect.

🍯 Every Jarrah Platinum TA50+ jar is backed by all five tests — the most comprehensive testing programme in Australian bioactive honey. Shop Jarrah Platinum TA50+ →

What a Certificate of Analysis Actually Contains

A COA is a formal document issued by an accredited laboratory. For Forest Fresh Honey, each COA includes:

1. Batch identification number — links to a specific production run
2. Test date and reporting laboratory
3. Method reference — which standardised analytical method was used
4. Result — the numerical value for each parameter tested
5. Pass/fail against specification — our specifications, not just legal minimums
6. Laboratory accreditation number — verifiable through the relevant national registry

When we say "independently tested," we mean you can look up the laboratory, verify their accreditation, and cross-reference the batch number on your jar to the COA we hold on file. That is transparency in practice, not just in principle.

How Testing Connects to the TA Rating on Your Jar

The TA rating on the label is the end-product of this testing chain. No jar is labelled TA50+ unless Lab 1 confirms TA50+ or above, Lab 2 confirms the WDPE component, Lab 3 confirms the Jarrah Factor™ composite, Lab 4 confirms Jarrah pollen authentication, and Lab 5 returns a clear food safety result.

If any test fails, the batch does not ship. It's not re-labelled at a lower grade. It doesn't go to export. It's held — and if it cannot be resolved through further analysis, it doesn't reach a customer.

This is why we occasionally have genuine low-stock situations, like Jarrah Gold TA40+ with only 285 units remaining. Natural variability in the Jarrah flowering cycle (trees flower every 2–4 years), combined with an uncompromising testing standard, means some grades are genuinely limited.

The Science Behind Our Standards

Our testing protocols draw from the peer-reviewed scientific literature on honey analysis:

Guttentag et al. (2021) refined hydrogen peroxide measurement methodology, addressing inconsistencies in earlier protocols that had made cross-laboratory comparison unreliable. Our WDPE testing incorporates these updated standards.

Islam, Barbour & Locher (2024) published authentication research on WA honey varieties, demonstrating that combined pollen and chemical profiling is the most reliable approach to geographic and botanical verification. Our pollen testing follows the approach validated in this research.

Irish, Blair & Carter (2011) — published in PLOS ONE — conducted foundational work on the antibacterial activity of WA honey, establishing the dual-mechanism (peroxide + non-peroxide) profile that distinguishes Jarrah from single-mechanism competitors.

Hossain & Locher (2023) compared WA honey varieties against New Zealand Manuka, finding that WA honey "at times exceeded" Manuka in both antibacterial and antioxidant activity. Our Jarrah Platinum TA50+ is equivalent to MGO 4000+ — a comparison that holds up under independent analysis.

We cite this research not to claim our honey "cures" anything — these are food products, not medicines — but because the science behind how bioactive honey works is real, published, and reproducible. And we believe customers deserve to understand it.

Frequently Asked Questions

Q: How do I know the TA rating on the label is accurate? A: Every batch is independently tested by an accredited laboratory using standardised agar well diffusion methods. The TA rating on the label is the verified result of that test, not a marketing estimate. Certificates of Analysis are available on request.

Q: What does "5 independent labs" mean in practice — are these really 5 different facilities? A: Yes. Each of the five test categories — TA, WDPE, Jarrah Factor™, pollen authentication, and food safety — is conducted by a separate accredited laboratory. This prevents any single lab from being a single point of failure or conflict of interest.

Q: Can I request the COA for my specific batch? A: Absolutely. Each jar carries a batch code. Contact us with that code and we'll provide the full Certificate of Analysis for your batch, including all five test results.

Q: What happens to a batch that fails testing? A: It does not ship. Batches that fail any test parameter are held and investigated. If the issue cannot be resolved, the batch is not released — regardless of commercial impact. This is why genuine low-stock situations occur.

Q: Is Forest Fresh Honey tested for antibiotics? A: Yes. Every batch is screened for antibiotic residues as part of the food safety panel (Lab 5). Jarrah honey source hives are managed without routine antibiotic use, and testing confirms this for every production run.

Q: What is WDPE and why does it matter? A: WDPE (Water Dilution Peroxide Equivalent) quantifies the hydrogen peroxide activity in honey. Jarrah honey generates H₂O₂ enzymatically upon dilution — a distinct antimicrobial mechanism not measured by MGO or NPA testing alone. Read our full WDPE explainer →

Q: How does Jarrah honey testing compare to Manuka testing? A: Manuka honey is primarily rated by MGO (methylglyoxal) or UMF, both measuring non-peroxide activity. Jarrah testing is more comprehensive because it must capture both peroxide and non-peroxide mechanisms. A TA50+ result from Forest Fresh means both mechanisms have been independently verified.

Q: Why does honey from the same jar sometimes taste slightly different between batches? A: Natural honey varies slightly with each Jarrah flowering season — the ratio of nectars, the weather during flowering, and the hive's position in the forest all influence the final flavour profile. The testing ensures bioactive performance is consistent even when subtle flavour notes vary.

The information in this article is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease or health condition. Please consult your healthcare professional before using honey as part of a health or medical regimen. Forest Fresh Honey products are food products, not medicines. Not suitable for children under 12 months. These statements are based on traditional use and emerging scientific research.

Written by Matt Fewster, 5th generation of the Fewster family and co-founder of Forest Fresh Honey.

Sources: - Guttentag, A., Koldovsky, D., & Krovetz, H. (2021). Hydrogen peroxide measurement in honey — methodological advances. Available via PubMed. - Islam, M., Barbour, A., & Locher, C. (2024). Authentication of Western Australian honey varieties. PeerJ Chemistry. https://peerj.com/articles/achem-33/ - Irish, J., Blair, S., & Carter, D.A. (2011). The antibacterial activity of honey derived from Australian flora. PLOS ONE. https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0018229 - Hossain, M.L. & Locher, C. (2023). WA honey vs Manuka honey comparison. Applied Sciences, 13(13), 7440. https://www.mdpi.com/2076-3417/13/13/7440 - Pavy, M. & Dragar, C. (2011). Antioxidant properties of Jarrah honey. WA Jarrah Honey Committee. https://img1.wsimg.com/blobby/go/35350b70-4b13-4876-abd6-b146f468c4e8/downloads/media-release%20on%20antioxidant%20of%20jarrah%20honey.pdf