Northern Ireland Centre for Food and Health
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  3. Publications

Dr Kristina Pentieva

Senior Lecturer in Biomedical Sciences

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Research Interests

- Micronutrient requirements and recommendations for intake in humans
- B-vitamin status, homocysteine and disease
- Food folate: bioavailability
- Food folate analysis
- Food fortification, functional foods
- Micronutrients and antioxidant status
- Micronutrients and toxicity

Teaching & Learning Activities

- Clinical Biochemistry
- Nutrition

Dr Kristina Pentieva


Dr Kristina Pentieva
Senior Lecturer in Biomedical Sciences
Biomedical Sciences Research Institute


Room W2028
School of Biomedical Sciences
University of Ulster
Coleraine campus
Cromore Road
Co. Londonderry
BT52 1SA

phone: +44 28 70124675

Dr Kristina Pentieva - Publications

Number of items: 31.

McGarel, C, Pentieva, K, Strain, JJ and McNulty, H (2015) Emerging roles for folate and related B-vitamins in brain health across the lifecycle. Proceedings of the Nutrition Society, 74 (01). pp. 46.

Reilly, R., McNulty, H, Pentieva, K., Strain, JJ and Ward, M (2014) MTHFR 677TT genotype and disease risk: is there a modulating role for B-vitamins?. Proceedings of the Nutrition Society, 73 (01). pp. 47.

McNulty, B., McNulty, Helene, Marshall, B., Ward, Mary, Molloy, A. M., Scott, J. M., Dornan, J. and Pentieva, Kristina (2013) Impact of continuing folic acid after the first trimester of pregnancy: findings of a randomized trial of Folic Acid Supplementation in the Second and Third Trimesters. American Journal of Clinical Nutrition, 98. pp. 92-98.

Lazou, T, Georgiadis, M, Pentieva, K, McKevitt, A and Iossifidou, E (2012) Food safety knowledge and food-handling practices of Greek university students: A questionnaire-based survey. Food Control, 28 (2). pp. 400.

McNulty, H, Strain, JJ, Pentieva, K and Ward, M (2012) C1 metabolism and CVD outcomes in older adults. Proceedings of the Nutrition Society, 71 (02). pp. 213.

Tighe, Paula, Ward, Mary, McNulty, Helene, Finnegan, Owen, Dunne, Adrian, Strain, JJ, Molloy, Anne M, Duffy, Maresa, Pentieva, Kristina and Scott, John M (2011) A dose-finding trial of the effect of long-term folic acid intervention: implications for food fortification policy.. American Journal of Clinical Nutrition, 93. pp. 11-18.

McNulty , B, Pentieva, K, Marshall , B, Ward, Mary, Molloy , AM, Scott, JM and McNulty, H (2011) Women's compliance with current folic acid recommendations and achievement of optimal vitamin status for preventing neural tube defects.. Human Reproduction, 26 (6). pp. 1530-1536.

Verhagen, Hans, Andersen, Rikke, Antoine, Jean-Michel, Finglas, Paul, Hoekstra, Jeljer, Kardinaal, Alwine, Nordmann, Hervé, Pekcan, Gülden, Pentieva, Kristina, Sanders, Tom A., van den Berg, Henk, van Kranen, Henk and Chiodini, Alessandro (2011) Application of the BRAFO tiered approach for benefit–risk assessment to case studies on dietary interventions. Food and Chemical Toxicology.

Bates, Christopher J., Mansoor, Mohammed A., Pentieva, Kristina, Hamer, Mark and Mishra, Gita D. (2010) Biochemical risk indices, including plasma homocysteine, that prospectively predict mortality in older British people: the National Diet and Nutrition Survey of People Aged 65 Years and Over. British Journal of Nutrition, 104 (06). pp. 893.

McNulty, Helene and Pentieva, Kristina (2009) Folate bioavailability. In: Folate in Health and Disease. CRC Press, pp. 25-48. ISBN 978-1420071245

Kerr, Maeve, Livingstone, Barbara, Bates, Christopher J., Bradbury, Ian, Scott, John M., Ward, Mary, Pentieva, Kristina, Mansoor, Mohammad Azam and McNulty, Helene (2009) Folate, Related B Vitamins, and Homocysteine in Childhood and Adolescence: Potential Implications for Disease Risk in Later Life. PEDIATRICS, 123 (2). pp. 627-635.

Hoey, Leane, McNulty, Helene, McCann, Elizabeth M. E, McCracken, Kelvin J, Scott, John M, Marc, Barbara Blaznik, Molloy, Anne M, Graham, C and Pentieva, Kristina (2009) Laying hens can convert high doses of folic acid added to the feed into natural folates in eggs providing a novel source of food folate. BRITISH JOURNAL OF NUTRITION, 101 (2). pp. 206-212.

Bekaert, Bram, Cooper, Matthew L., Green, Fiona R., McNulty, Helene, Pentieva, Kristina, Scott, John M., Molloy, Anne M. and Rayman, Margaret P. (2008) Effect of selenium status and supplementation with high-selenium yeast on plasma homocysteine and B vitamin concentrations in the UK elderly. Molecular Nutrition and Food Research, 52 (11). pp. 1324-1333.

McNulty, H, Pentieva, Kristina, Hoey, Leane and Ward, Mary (2008) Homocysteine, B-vitamins and CVD. PROCEEDINGS OF THE NUTRITION SOCIETY, 67. pp. 232-237.

Dickey, William, Ward, M., Whittle, Claire R, Kelly, Mary T, Pentieva, Kristina, Horigan, Geraldine, Patton, Sharon and McNulty, H (2008) Homocysteine and related B-vitamin status in coeliac disease: Effects of gluten exclusion and histological recovery. Scandinavian Journal of Gastroenterology, 43 (6). pp. 682-688.

Bekaert, B., Cooper, M. L, Green, F, McNulty, H, Pentieva, Kristina, Scott, J, Molloy, A and Rayman, M. P (2007) Selenium status influences the effect of folate, vitamin B12 and pyridoxal 5 `-phosphate on homocysteine concentrations. PROCEEDINGS OF THE NUTRITION SOCIETY, 66 (Sp. Iss. SI). pp. 36A.

McNulty, B., Pentieva, Kristina, Marshall, B., Ward, Mary, Molloy, A. M., Scott, J. M. and McNulty, H. (2007) Folate status in pregnant women in relation to compliance with current folic acid recommendations for the prevention of neural-tube defects. PROCEEDINGS OF THE NUTRITION SOCIETY, 66 (Sp. Iss. SI). pp. 65A.

McNulty, H, Pentieva, K, Hoey, L and Ward, M (2007) Folic acid and related B-vitamins in disease prevention.. Food Science and Technology, 21. pp. 41-43.

Hoey, L, McNulty, H, Askin, N, Dunne, A, Ward, M, Pentieva, Kristina, Strain, JJ, Molloy , AM, Flynn, C and Scott, JM (2007) Impact of a voluntary food fortification policy on folate, related B-vitamin status and homocysteine in healthy adults. American Journal of Clinical Nutrition, 86. pp. 1405-1413.

McKillop, Derek J., McNulty, Helene, Scott, John M., McPartlin, Joseph M., Strain, JJ, Bradbury, Ian, Girvan, Jayne, Hoey, Leane, McCreedy, Richard, Alexander, Joy, Patterson, B. Karen, Hannon-Fletcher, Mary P.A and Pentieva, Kristina (2006) The rate of intestinal absorption of natural food folates is not related to the extent of folate conjugations. AMERICAN JOURNAL OF CLINICAL NUTRITION, 84 (1). pp. 167-173.

Williams, E, Stewart-Knox, Barbara J., Bradbury, I, Rowland, I, Pentieva, Kristina, Helander, A and McNulty, H (2005) Effect of folic acid supplementation on mood and serotonin response in healthy males. British Journal of Nutrition, 94 (4). pp. 602-608.

Sweeney, Mary R., McPartlin, Joseph, Weir, Donald G., Daly, Sean, Pentieva, Kristina, Daly, Leslie and Scott, John M. (2005) Evidence of unmetabolised folic acid in cord blood of newborn and serum of 4-day-old infants. British Journal of Nutrition, 94 (05). pp. 727.

Hannon-Fletcher, Mary P.A , Armstrong , N, Scott , JM, Pentieva, Kristina, Bradbury, I, Ward, Mary, Strain, JJ, McCreedy, R, Alexander, J, Paterson, K, Molloy , A, Kerr (Scullion) , Maeve A and McNulty, H (2004) A controlled intervention study to compare the bioavailability of synthetic folic acid with natural food folate extracts. . Proceedings of the Nutrition Society , 63 (1(Special Issue)). pp. 41A.

Hannon-Fletcher, MPA, Armstrong, N, Scott , J, Pentieva, K, Bradbury , I, Ward, M, Strain, JJ, Dunn, A, Molloy, A, Kerr, M and McNulty, H (2004) Determining bioavailability of food folates in a controlled intervention study. . Americal Journal of Clinical Nutrition, 80 (4). pp. 911-918.

Strain, JJ, Dowey, L, Ward, M, Pentieva, K and McNulty, H (2004) B-vitamins, homocysteine metabolism and CVD. Proceedings of the Nutrition Society, 63 (04). pp. 597.

McNulty, H and Pentieva, K (2004) Folate bioavailability. Proceedings of the Nutrition Society, 63 (04). pp. 529.

Pentieva, K, McNulty, H, Reichert, R, Ward, M, Strain, JJ, McKillop, D, McPartlin, JM, Connolly, E, Molloy, A, Kramer, K and Scott, JM (2004) The short-term bioavailabilities of [6S]-5-methyltetrahydrofolate and folic acid are equivalent in men.. The Journal of Nutrition, 134. pp. 580-585.

Hannon-Fletcher, Mary P.A , Armstrong, N, Scott, JM, Ward, M, Strain, JJ, Pentieva, Kristina, Dunn, Adele, Molloy, A, Kerr (Scullion), Maeve and McNulty, Helene (2003) A controlled intervention study to determine the bioavailability of food folates.. Journal of Inherited Metabolic Disease , 26 (Supp 1). pp. 11.

Hannon-Fletcher, Mary P.A , Armstrong NC, N, Scott , J, Ward, Mary, Strain, JJ, Pentieva, Kristina, Dunn, Adele, Molloy, A, Kerr (Scullion), Maeve and McNulty, Helene (2003) Bioavailability of food folates in a controlled intervention study. . Proceedings of the Nutrition Society, 62 (Supp 1). pp. 11.

Pentieva, K, McKillop, D, Duffy, N, de Deckere, E A M, Jacobs, R G J M, van der Put, N M J and McNulty, H (2003) Acute absorption of folic acid from a fortified low-fat spread. European Journal of Clinical Nutrition, 57 (10). pp. 1235.

McKinley, MC, McNulty, H, McPartlin, J, Strain, JJ, Pentieva, K, Ward, M, Weir, DG and Scott, JM (2001) Low-dose vitamin B-6 lowers fasting plasma homocysteine levels in healthy elderly persons who are folate and riboflavin replete. American Journal of Clinical Nutrition, 73. pp. 759-764.

This list was generated on Wed Oct 14 00:00:52 2015 BST.