Authenticity, origin & quality
Accelerated loss of diastase in mānuka honey: Investigation of mānuka specific compounds
Authors: Amber R. Bell; Megan N. C. Grainger
PLAIN-LANGUAGE SUMMARY
The study monitored diastase activity in mānuka honey stored at 20 and 27 °C and in clover honey spiked with six mānuka-associated compounds and stored at 20, 27 and 34 °C. Methylglyoxal and 3-phenyllactic acid accelerated diastase loss beyond the effects attributed to storage time and temperature.
Reported result
Methylglyoxal and 3-phenyllactic acid were associated with faster diastase loss in the tested storage and spiking systems.
Study design
analytical
Authenticity, origin and quality
Tested material
Mānuka honey stored at controlled temperatures and clover honey spiked with six mānuka-associated reference compounds; no The 3 Beez product was tested.
Limitations
No explicit study limitation is stated in the PubMed or publisher abstract. The controlled storage and spiked-clover systems do not reproduce every commercial batch, processing history or household storage condition.
Funding & conflicts
The Experiment Company supplied standards and diastase tablets; Amber Bell's stipend was supported by Callaghan Innovation R&D Fellowship FMEN2002/PROP-79261-FELLOW-FAREN; New Zealand beekeepers supplied samples. The authors declared no known competing financial interests or personal relationships.
Applicability guardrail
The result concerns enzyme stability under the tested analytical conditions and should not be converted into a universal shelf-life claim or a health claim.
Scientific reference
Amber R. Bell; Megan N. C. Grainger (2023). Accelerated loss of diastase in mānuka honey: Investigation of mānuka specific compounds. Food Chemistry. https://doi.org/10.1016/j.foodchem.2023.136614
Editorial record
Responsible publisher: Manuka Drops Limited. Record updated: 2026-08-28. Retraction check recorded: 2026-08-27. Retraction status: checked-no-retraction-signal. Editorial status: verified. Read the methodology.
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This pathway concerns authenticity, measured composition, certification, grade, freshness, storage, origin and sensory profile. It is not a medical recommendation.