Why Diastase Fails Mānuka: The Hidden Instability of Enzymes in New Zealand Honey

 

Not all honey behaves the same — and mānuka is rewriting the rules 🍯

Diastase (α-amylase), a key enzyme used globally to assess honey quality, breaks down much faster in New Zealand mānuka honey than in other floral varieties.

📉 At just 27°C, enzyme activity can drop significantly faster in high-MGO mānuka than in standard honeys.
🌡️ At 34°C, its lifespan shrinks dramatically — to just months, not years.
⚗️ Compounds like MGO and 3-PLA actively accelerate this degradation.

Here’s the catch 👇
Even freshly harvested mānuka can sit close to the minimum international standard (8 DN)… and naturally fall below it over time — without any overheating or mishandling.

💡 What this means:
Diastase isn’t a reliable marker of quality for mānuka honey. Its unique chemistry tells a different story.

#ManukaHoney #HoneyScience #FoodScience #NewZealand #QualityMatters #MGO #Apiculture