Genuine UMF Manuka Honey - UMF Licence No. 1001
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Tue, 25 Sep 2018
10+ UMF 16+ UMF

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Testing for Authenticity

Checklist to Identify Genuine UMF Manuka Honey 

Genuine UMF Manuka Honey must comply with all seven of the following criteria:

  1. It has the quality trademark UMF clearly stated on the front label
  2. The honey is produced in New Zealand. Honey cannot be imported into New Zealand so the consumer is assured UMF Manuka Honey is truely and solely New Zealand honey
  3. It is packed into jars and labelled in New Zealand
  4. It is from a New Zealand company licensed to use the quality trademark UMF
  5. It has the New Zealand UMF Licensee's brand name and licence number on the label
  6. It has a rating number alongside the trademark UMF.  A number without the name UMF does not identify genuine UMF Manuka Honey 
  7. It is verified by the Official UMF Release Document which states the test results for the batch number shown on the jar label.  The Official UMF Release Document presents all four tests (Leptosperin test + MGO test + DHA test + HMF test


The Official UMF Release Certificate

The Official UMF Release Certificate is a controlled document that is issued to UMF-labelled honey that passes all test criteria and is true-to-label claim.   Consumers should request this document (Colour and layout should look exactly like the one below).

The Official UMF Release Certificate verifying the authenticity of SummerGlow UMF16+ Manuka Honey. 250gm jar, batch 18959664:


Testing for Authenticity - Protecting Your Rights as a Consumer

The UMF designation and rating is a highly sought-after and well-respected quality trademark that protects the consumer's rights.

All honey labelled with the quality trademark UMF must be packed and labelled in New Zealand.   Honey cannot be imported into New Zealand so the consumer is assured UMF Manuka Honey is truely and solely New Zealand honey.

After the honey has been packed UMF Manuka Honey must undergo a number of tests to show it is natural, unadulterated Manuka Honey and that the grading claim on the label is true.

UMF Manuka Honey is regularly audited so the consumer can be confident the honey is true-to-label claim.


1.Testing to identify genuine Manuka Honey

  • Manuka honey is made up of several compounds that are found only in the honey from New Zealand's manuka bush (Leptospermum scoparium)
  • One of the most dominant compounds is Leptosperin
  • Leptosperin is a good indicator of the "manukaness" of honey
  • UMF Manuka Honey must contain Leptosperin (minimum level Leptosperin 100mg/kg)
  • The higher the level of Leptosperin the greater the presence of the unique manuka honey attributes
  • SummerGlow UMF16+ Manuka Honey has Leptosperin level 915mg/kg and thoroughly exceeds the NZ MPI criteria for monofloral manuka honey showing it really is high grade monofloral manuka honey.   All our honey is produced by our bees from manuka areas which we own and in which we have had hives for the past 42 years  (Analytica Laboratories NZ, Ref 18-09019-1 and 18-00193)

2. Testing to show honey is not adulterated:

  • HMF increases when honey is heated
  • UMF Manuka Honey must have HMF below HMF40
  • SummerGlow UMF16+ Manuka Honey has a low HMF level HMF19 showing we do not damage our honey with heat or adulteration

3. Testing for UMF grading levels:

  • Manuka Honey is tested for DHA and for methyglyoxal (MG) as these are present in Manuka Honey and help assess the grading level of the honey
  • The combined results of all four tests (Leptosperin test + Methylglyoxal test + DHA test + HMF test) show the grading level for the honey
  • To be graded UMF16+ Manuka Honey must have Leptosperin at least 100 and Methylglyoxal must be at least MG 572 and HMF must be less than HMF40
  • SummerGlow UMF16+ Manuka Honey far exceeds all quality requirements: UMF18.4 and Leptosperin 915 and MG721 and HMF19

Test results for SummerGlow UMF16+ Manuka Honey

Test results verify the authenticity of SummerGlow UMF16+ Manuka Honey - it is genuine natural, unadulterated Manuka Honey and is entitled to bear the quality mark UMF16+.  The results for the honey we currently sell are as follows:

1. Batch 18959664.  250gm jar:    Click here to see Official Test Report (Analytica Laboratories NZ, Ref 18-09019-1)  Click here to order

  • Leptosperin 915
  • Methylglyoxal MG 721
  • DHA 1411
  • HMF 19
  • UMF grading 18.4

2. Batch 33232262.  500gm jar:   Click here to see Official Test Report  (Analytica Laboratories NZ, Ref 18-09019-2)    Click here to order

  • Leptosperin 746
  • Methylglyoxal MG 625
  • DHA 1871
  • HMF 13
  • UMF grading 16.9

SummerGlow Apiaries Ltd are licensed to use the quality trademark. Licence number 1001.

More About UMF - A Quality Trademark Protecting Your Rights as a Consumer

SummerGlow UMF16+ Manuka Honey  -   UMF Licence Number 1001

  • Totally natural unadulterated New Zealand manuka honey
  • Complies with the rigorous standards of quality and purity set by the UMF Honey Association 
  • Guaranteed to have very high grading and level of the qualities unique to manuka honey
  • Produced by SummerGlow Apiaries and sent daily directly to customers in NZ, UK, USA, Australia, Japan, Singapore, Saudi Arabia, worldwide.
  • Direct to you from SummerGlow hives harvesting manuka honey from SummerGlow's own manuka-growing land
Available Direct from the Producers - 100% New Zealand made genuine UMF16+ Manuka Honey -  Order Now.

Make sure the honey you purchase is Genuine New Zealand UMF Manuka Honey

Look for the name UMF clearly stated on the front of the jar.

Look for the number following the name UMF: 

  • 5 - 9 is very low grade
  • 10 -15 is useful medium grade
  • 16+ and over is superior high grade 

The UMF grading system appraises natural markers found in Manuka Honey, and assures purity and quality

Did you know Active Manuka Honey is not the same as Genuine UMF Manuka Honey?  The special and unique property to which the research refers is not in most manuka honey, not even in most Active Manuka Honey.  Find out why here.

More about The New Zealand Honey Research Discovery 

The UMF Guarantee

The name UMF is a guarantee that the honey is natural unadulterated manuka honey produced in New Zealand and has the special manuka property to at least the grading level indicated on the label.

The name UMF applies only to honey packed and labelled in New Zealand and tested after each batch is packed. 

The name UMF does not apply to honey in drums, etc still to be packed, nor to honey not packed or labelled in New Zealand


SummerGlow Apiaries® SummerGlow Apiaries® 131 Richards Road, RD 8, Hamilton, New Zealand | Ph: +64 7 829 7641 | Fax: +64 7 829 7642 | Email

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