Professor Merilyn Manley-Harris

Professor ( Chemistry); Undergraduate Convener (Chemistry, Molecular and Cellular Biology ); Academic Manager (Chemical Services )

Qualifications: BSc(Hons) James Cook University, PhD University of Montana

Research Interests

Current research projects include: Studies on NZ honey; carbohydrate profiling,  organic contaminants

General interests include carbohydrate chemistry, all forms of HPLC including ion chromatography; NMR spectroscopy and other forms of natural product analysis and characterization.

Research Supervised


  • Tanner-Dempsey, Greer (in progress). Analysis of volatile organic compounds that alert dogs to the presence of lung cancer.
  • Li, Yanan (in progress). Development of a cyanide-free assay for vitamin B12 in infant formulas.
  • Shrubsall, Jacob (in progress) Rewarewa honey.
  • Sorensen, Stine (in progress) Effect of sedimentation on seagrass (Zostera  muelleri) survival.
  • Bernstein, Daniel (in progress). Removal of traces organics using advanced oxidation and biological filtration for drinking water supply.
  • MacAskilll, Jessica (2017). Impact of pretreatment chemistry on the biochemical process for biofuel production.
  • Grainger, Megan (2015). Kinetics of conversion of dihydroxyacetone to methylglyoxal in honey.
  • McDonald-Wharry, John (2015). Carbonisation of harakeke (Phormium tenax) biomass for potential application as composite reinforcement. Embargoed until 22 May 2017.
  • Brown, Jolene (2014). Seasonal comparison of lipid composition and metabolism in parasitised and non-parasitised clover root weevil (Sitona lepidus).
  • Gill, Brendon (2013). Analysis of nucleosides and nucleotides in milk and infant formula.
  • Srinivasan, Prakash (2013). Sorption, degradation and transport of veterinary antibiotics in New Zealand pastoral soils.
  • Li, Yi (2003) in vivo utilisation of fructooligosaccharides by sheep faecal bifidobacteria and in vitro antagonistic effects against intestinal pathogens.
  • Christian, Ted (1999), Kinetics of formation of di-D-fructose  dianhydrides  from thermal treatments of inulin.

MSc (Research)

  • Duke, Emily (2018). 
  • Willcock, Nathan (2018).  Development of a field test for classification of dihydroxyacetone content of mānuka (Leptospermum scoparium) nectar.
  • Owens, Adrian (2016). Kinetics of dedimerisation of dihydroxyacetone in aprotic media.
  • Sorensen, Stine (in progress). Seagrass vulnerability and resilience: the threat of sedimentation. (chief supervisor Marnie Campbell).
  • Bernstein, Daniel (2015). Development of a method for trace analysis of dioctyl sodium sulfosuccinate by liquid chromatography mass spectrometry and its application to samples from the MV Rena incident.
  • Lloyd, Alicia (2015). Analysis of amino acids in mānuka honey.
  • Tanner-Dempsey, Greer (2017).Development of a method for the analysis of amino acids and phenolic acids in manuka honey".
  • Yin, Yingjie (2015). Developing a rapid in-field sensor for DHA in nectar of Leptospermum Scoparium.
  • Brown, Jolene (2014). Equilibration of D-glucaric acid in aqueous solution
  • Cameron, Nicola (2014). Use of LA-ICP-MS to analyse dental enamel in order to locate the geographical origin of teeth.
  • MacAskill, Jessica (2013). Quantification of nitro-toxins in Karaka (Corynocarpus laevigatus) Drupes.
  • Yang, Wenjuan (2012). Investigation of extractable materials from biochar.
  • Chan, Ching (2011). Isolation, charaterisation and synthesis of a phenyl-substituted pyrrole isolated from the flavonoid fraction of mānuka honey.
  • Dumté, Mérine (2010). Development of a method for the quantitative detection of honey in imported products.
  • Faville, Martyn (2010). Examination of the molecular mass of polyhydroxypolyamides.
  • Grainger, Megan (2010). Categorisation and discrimination of Automotive glass fragments by Laser Ablation Inductively Coupled Plasma Mass-Spectrometry (LA-ICP-MS) for forensic purposes.
  • McDonald-Wharry, John (2010). Characterisation of water soluble polysaccharides  produced during prehydrolysis of pinus radiata.
  • Deadman, Benjamin (2009). The flavonoid profile of New Zealand mānuka honey.

BSC (Hons)

  • Haisley Bassard, Connor (2016). Sugar profiles of Dactylanthus.
  • Brunton, Richard (2015). The extraction, quantification and characterisation of kavalactones from Piper methysticum (Kava).

Teaching Commitments



Carbohydrates Honey

Recent Publications

  • Martin, J. W., Nyadong, L., Ducati, C., Manley-Harris, M., Marshall, A. G., & Kraft, M. (2019). Nanostructure of gasification charcoal (biochar). Environmental Science and Technology, 53(7), 3538-3546. doi:10.1021/acs.est.8b06861

  • Owens, A., Lane, J. R., Manley-Harris, M., Marie Jensen, A., & Jørgensen, S. (2019). Kinetics of conversion of dihydroxyacetone to methylglyoxal in New Zealand mānuka honey: Part V – The rate determining step. Food Chemistry, 276, 636-642. doi:10.1016/j.foodchem.2018.10.039

  • Ranmadugala, D., Ebrahiminezhad, A., Manley-Harris, M., Ghasemi, Y., & Berenjian, A. (2018). High level of menaquinone-7 production by milking menaquinone-7 with biocompatible organic solvents. Current Pharmaceutical Biotechnology, 19(3), 232-239. doi:10.2174/1389201019666180515115534

  • MacAskill, J. J., Suckling, I. D., Lloyd, J. A., & Manley-Harris, M. (2018). Unravelling the effect of pretreatment severity on the balance of cellulose accessibility and substrate composition on enzymatic digestibility of steam-pretreated softwood. Biomass and Bioenergy, 109, 284-290. doi:10.1016/j.biombioe.2017.12.018

View All research publications by Merilyn Manley-Harris

Contact Details

Room: E.3.19
Phone: +64 7 838 4384
Cellphone: 027 389 6347
Fax: +64 7 838 4219