Dr Marie-Ann Ha

Senior Lecturer

Faculty:Faculty of Medical Science

Location: Cambridge

Areas of Expertise: Allied & public health , Nutrition

Dr Marie-Ann Ha is a registered Public Health Nutritionist. She has two main research interests; carbohydrate nutrition and chemistry, and ensuring we have healthy, sustainable food supply chains.

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Email: marie-ann.ha@anglia.ac.uk


Marie-Ann is a Director of East Anglia Food Link, a not for profit group that is working closely with small to medium sized farms in the East of England, to develop a sustainable food supply system within the region.

Marie-Ann was on secondment to the secretariat of the Scientific Advisory Committee on Nutrition at Public Health England to help write the Carbohydrates and Health Report having worked extensively in the past on the structure of plant cell walls and how this relates to dietary fiber intake.

Research interests

  • Sustainability of Food chains
  • Nutritional effects of Carbohydrates
  • Chemistry of carbohydrates
  • Diet and Diabetes


  • PhD, Human Nutrition, Otago University
  • PGCert HE, Anglia Ruskin University

Memberships, editorial boards

  • Member of the Institute of Food Science and Technology
  • Registered Nutritionist, Association for Nutrition

Selected recent publications

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Caan W, Cassidy J, Coverdale G, Ha MA, Nicholson W, Rao M. (2015). The value of using schools as community assets for health. Public Health;129 (1):3-16

Scientific Advisory Committee on Nutrition (2015) Report on Carbohydrates and Health. July 2015. Available here

Caan W., Cassidy J., Coverdale G., Ha M., Nicolson W., Rao M. 2014. Health and Schools. Public Health. Accepted for Publication pending revisions. Scientific Advisory Committee on Nutrition 2014. Carbohydrates and Health. Released for Public Consultation. A policy advisory document for HM Government

Anderson AS, Porteous LEG, Foster E, Higgins C, Stead M, Hetherington M, Ha M-A, Adamson A. 2005. The impact of a school-based nutrition education intervention on dietary intake and cognitive and attitudinal variables relating to fruits and vegetables, Public Health and Nutrition. 8; 650-6

Ha MA, Vietor RJ, Jardine GD, Apperley DC, Jarvis MC. 2005. Conformation and mobility of the arabinan and galactan side-chains of pectin. Phytochemistry. 66(15):1817-24

Hall P, Ha M-A, Baxter B, Cassidy A, Fairweather-Tait S, Johnson I, Karaczun M, Seymour M, Flowers J. 2005. Healthy Eating in the East of England. Risks and Determinants Series. Eastern Region Public Health Observatory. Cambridge

Walford H and Ha M-A 2004. Obesity in the East of England. Risks and Determinants series. Eastern Region Public Health Observatory. Cambridge

Jardine WG, Doeswijk- Voragen CHL, Mackinnon I, van den Broek LAM, Ha M-A, Jarvis MC, Voragen AGJ. 2002. Preparation of cell walls from potatoes. Journal of the Science of Food and Agriculture, 82, 834-839.

Ha M-A, MacKinnon A., Sturcova A, Apperley DC, McCann MC, Turner SR, Jarvis MC. 2002. Structure of cellulose-deficient secondary cell walls from the irx3 mutant of Arabidopsis thaliana. Phytochemistry 61, 7-14.

Vietor RJ, Newman RH, Ha M-A, Apperley DC, Jarvis MC. 2002. Conformational features of crystal-surface cellulose from higher plants. The Plant Journal, 30, 721-731.

Ha M-A, Jarvis MC, Mann JI. 2000. A definition for dietary fibre. European Journal of Clinical Nutrition. 54, 861-864.

Ha M-A, Ha TKK, Lean MEJ (1999) Role of intense sweeteners in diabetes management. World Review of Nutrition and Dietetics 85, 88-97

Ha M-A, Apperley DC, Evans BW, Huxham M, Jardine WG, Vietor RJ, Vian B, Jarvis MC (1998) Fine structure in cellulose microfibrils: NMR evidence from onion and quince. Plant Journal 16, 183-190.

Ha M-A, Apperley DC, Jarvis MC. (1997), Molecular rigidity in dry and hydrated onion cell walls. Plant Physiol. 115, 593-598

Ha M-A, Jardine WG, Jarvis MC. (1997) Solid State 13C NMR of cell walls in wheat bran. Journal of Agricultural and Food Chemistry, 45, 117-119.