Publications
Journal Articles
Gunness, Purnima, Zhai, Honglei, Williams, Barbara A., Zhang, Dagong and Gidley, Michael J. (2021). Pectin and mango pulp both reduce plasma cholesterol in pigs but have different effects on triglycerides and bile acids. Food Hydrocolloids, 112 106369, 106369. doi: 10.1016/j.foodhyd.2020.106369
Zhai, Honglei, Gunness, Purnima and Gidley, Michael J. (2021). Depletion and bridging flocculation of oil droplets in the presence of β-glucan, arabinoxylan and pectin polymers: Effects on lipolysis. Carbohydrate Polymers, 255 117491, 1-8. doi: 10.1016/j.carbpol.2020.117491
Zhai, Honglei, Gunness, Purnima and Gidley, Michael J. (2020). Barley β-glucan effects on emulsification and in vitro lipolysis of canola oil are modulated by molecular size, mixing method, and emulsifier type. Food Hydrocolloids, 103 105643, 105643. doi: 10.1016/j.foodhyd.2020.105643
Gunness, Purnima, Michiels, Joris, Vanhaecke, Lynn, De Smet, Stefaan, Kravchuk, Olena, Van de Meene, Allison and Gidley, Michael J. (2016). Reduction in circulating bile acid and restricted diffusion across the intestinal epithelium are associated with a decrease in blood cholesterol in the presence of oat β-glucan. FASEB Journal, 30 (12), 4227-4238. doi: 10.1096/fj.201600465R
Zhai, Honglei, Gunness, Purnima and Gidley, Michael J. (2016). Effects of cereal soluble dietary fibres on hydrolysis of p-nitrophenyl laurate by pancreatin. Food and Function, 7 (8), 3382-3389. doi: 10.1039/c6fo00383d
Gunness, Purnima, Flanagan, Bernadine M., Mata, Jitendra P., Gilbert, Elliot P. and Gidley, Michael J. (2016). Molecular interactions of a model bile salt and porcine bile with (1,3:1,4)-β-glucans and arabinoxylans probed by 13C NMR and SAXS. Food Chemistry, 197 (Pt A), 676-685. doi: 10.1016/j.foodchem.2015.10.104
Gunness, Purnima, Williams, Barbara A., Gerrits, Walter J. J., Bird, Anthony R., Kravchuk, Olena and Gidley, Michael J. (2016). Circulating triglycerides and bile acids are reduced by a soluble wheat arabinoxylan via modulation of bile concentration and lipid digestion rates in a pig model. Molecular Nutrition and Food Research, 60 (3), 642-651. doi: 10.1002/mnfr.201500686
Gunness, Purnima, Flanagan, Bernadine M., Shelat, Kinnari, Gilbert, Robert G. and Gidley, Michael J. (2012). Kinetic analysis of bile salt passage across a dialysis membrane in the presence of cereal soluble dietary fibre polymers. Food Chemistry, 134 (4), 2007-2013. doi: 10.1016/j.foodchem.2012.03.131
Gunness, Purnima and Gidley, Michael John (2010). Mechanisms underlying the cholesterol-lowering properties of soluble dietary fibre polysaccharides. Food & Function, 1 (2), 149-155. doi: 10.1039/c0fo00080a
Gunness, Purnima, Flanagan, Bernadine M. and Gidley, Michael J. (2010). Molecular interactions between cereal soluble dietary fibre polymers and a model bile salt deduced from 13C NMR titration. Journal of Cereal Science, 52 (3), 444-449. doi: 10.1016/j.jcs.2010.07.009
Gunness, Purnima, Kravchuk, Olena, Nottingham, Stephen M., D'Arcy, Bruce R. and Gidley, Michael J. (2009). Sensory analysis of individual strawberry fruit and comparison with instrumental analysis. Postharvest Biology and Technology, 52 (2), 164-172. doi: 10.1016/j.postharvbio.2008.11.006
Conference Papers
Ni, Dongdong, Gunness, Purnima , Smyth, Heather E. and Gidley, Michael J. (2019). Relationships between perceived satiation, subsequent satiety, and plant-based food features. 5th International Conference on Food Structure, Digestion and Health, New Zealand, 1-3 October 2019.
Stephanie, Maria , Fox, Glen , Gidley, Michael J. and Gunness, Purnima (2019). Effect of structural integrity on in vitro digestibility of sorghum-based pasta vs whole durum wheat pasta. 69th Australasian Grain Science Conference, Melbourne, VIC, Australia, 27-29 August 2019.
Stephanie, Maria, Fox, Glen, Gidley, Michael J. and Gunness, Purnima (2019). Effects of milling method and composition on cooking and texture properties of sorghum-based gluten-free pasta. 2019 AIFST Convention, Sydney, NSW, Australia, 1-2 July 2019.
Ni, Dongdong , Dhital, Sushil , Gidley, Michael J. and Gunness, Purnima (2018). Mastication behaviour is associated with both satiation and satiety
. Nutrition Society of Australia (NSA) 42nd Annual Scientific Meeting, Canberra, ACT, Australia, 27-30 November 2018. Basel, Switzerland: MDPI AG.
Stephanie, Maria , Fox, Glen , Gidley, Michael J. and Gunness, Purnima (2018). Rediscovering sorghum - the importance of food research and development of an ancient grain for future food security. Agri-Food XXV, Brisbane, QLD, Australia, 3-5 December 2018.
Stephanie, Maria, Fox, Glen , Gidley, Michael J. and Gunness, Purnima (2018). Effects of composition on cooking and texture properties of gluten-free pasta from wholegrain sorghum, brown rice, and chickpeas. Nutrition Society of Australia, 42th Annual Scientific Meeting, Canberra, ACT, Australia, 27-30 November 2018. Basel, Switzerland: MDPI AG.
Gunness, P., Michiels, J., Vanhaecke, L., De Smet, S., Kravchuk, O., Van de Meeer, A. and Gidley, M.J. (2018). Oat β-glucan lowers blood cholesterol by restricting its intestinal absorption and decreasing bile acids levels. International Conference of Scientific Mauritians Diaspora, Mauritius, 19-21 February 2018.
Gunness, P., Michiels, J., De Smet, S., Vanhaecke, L., Kravchuk, O. and Gidley, M. J. (2018). Oat β-glucan lowers blood cholesterol by restricting its intestinal absorption and decreasing bile acids levels. 7th International Dietary Fibre Conference, Rotterdam, Netherlands, 4-6 June 2018.
Gunness, P., Zhai, H., Williams, B., Lisle, A. and Gidley, M. J. (2017). Effects of pectin and mango pulp on triglycerides, cholesterol and bile acids in pigs as a model for humans. 10th Asia Pacific Conference on Clinical Nutrition, Adelaide, SA, Australia, 26-29 November 2017.
Gunness, P., Michiels, J., Smet, S., Vanhaecke, L., Kravchuk, O. and Gidley, M. J. (2016). Oat β-glucan lowers blood cholesterol by restricting its intestinal absorption and decreasing bile acids levels. Nutrition Society of Australia 40th Annual Scientific Meeting, Melbourne, VIC, Australia, 29 November - 2 December 2016.
Gunness, P., Michiels, J., De Smet, S., Vanhaecke, L., Kravchuk, O. and Gidley, M. J. (2014). Effects of oat β-glucan on bile salts absorption across porcine intestinal mucosa using Ussing chamber system. America Society of Nutrition, Experimental Biology, San Diego, CA, United States, 26-30 April 2014.
Gunness, Purnima, Michiels, Joris, De Smet, Stefaan, Vanhaecke, Lynn and Gidley, Mike (2014). Effects of oat beta-glucan on bile salts absorption across porcine intestinal mucosa using Ussing chamber system. EB2014: Experimental Biology 2014, San Diego, CA, USA, 26-30 April, 2014. Bethesda, MD, United States: Federation of American Societies for Experimental Biology. doi: 10.1096/fj.1530-6860
Gunness, P., Williams, B. A., Gerrits, W. J. J., Bird, A. R., Kravchuk, O. and Gidley, M. J. (2013). Mechanisms behind effects of cereal soluble dietary fibres on blood lipids. The joint ASM of The Nutrition Society of Australia and the Nutrition Society of New Zealand, Brisbane, QLD, Australia, 4-6 December 2013.
Gunness, P., Williams, B. A., Gerrits, W. J. J., Bird, A., Kravchuk, O. and Gidley, M. J. (2012). Wheat arabinoxylan reduces circulating bile salts and triglycerides in normocholesterolemic pigs. The 2012 Annual Scientific Meeting of the Nutrition Society of Australia “Back to Basics: Building the Science of Nutrition, Wollongong, NSW Australia, 27-30 November 2012.
Gunness, P., Flanagan, B. M. and Gidley, M. J. (2011). Mechanisms behind the cholesterol-lowering effect of cereal soluble dietary fibres. Australian Cereal Chemistry Conference (ACCC), Tweed Heads – Coolangatta, Australia, 4-9 September 2011.
Gunness, Purnima, Flanagan, Bernadine M., Mata, Jitendra T. and Gidley, Micahel J. (2011). Interactions between cereal soluble dietary fibres and bile salts. American Association of Cereal Chemists, Palm Springs, CA USA, 16-19 October 2011.
Gunness, P., Flanagan, B.M., Mata, J.P., Gilbert, E.P. and Gidley, M.J. (2010). Molecular interactions between bile salt micelles and soluble dietary fibres. The 2010 Annual Scientific Meeting of the Nutrition Society of Australia “Nutrition Sustainability”, Perth, WA, Australia, 30 November-3 December 2010.
Gunness, P., Flanagan, B.M. and Gidley, M.J. (2009). NMR study of molecular interactions between bile salts and cereal non-starch polysaccharides. Australian Cereal Chemistry Conference, Wagga Wagga, Australia, 2009.
Gidley, M. J., Williams, B. A., Zhang, D., Gunness, P., Mikkelsen, D., Gorham, B., Keates, H., Bryden, W. L., Belobrajdic, D., Conlon, M. A., Kang, S., McSweeney, C., Bird, A. R. and Topping, D. L. (2009). Arabinoxylan improves indices of gut health and reduces DNA damage in pigs consuming a high risk “Western diet”: a pilot study. American Association of Cereal Chemists International 2009 Annual Meeting, Baltimore, MD, United States, 13-16 September 2009.
Gunness, P., Flanagan, B. M. and Gidley, M. J. (2008). Mechanisms behind the cholesterol-lowering effect of soluble dietary fibres. Nutrition Society of Australia 32nd Annual Scientific Meeting: Conference 2008, Stamford Grand Hotel, Adelaide, Australia, 30 November-3 December 2008. Adelaide, Australia: The Nutrition Society of Australia.
Thesis
Gunness, Purnima (2011). Mechanisms behind the cholesterol-reducing effect of cereal soluble dietary fibres: (1,3:1,4) beta glucan & arabinoxylan. PhD Thesis, Centre for Nutrition and Food Sciences, The University of Queensland.
Research Reports
Abdulwahed, Luma and Gunness, Purnima (2020) In vitro fermentation of oat beta-glucan using human inoculum School of Chemistry & Molecular Biosciences:
Seminar Papers
Gunness, P. and Gidley, M. J. (2018). Strategies towards lowering/preventing obesity & cardiovascular disease. Prof Alan Mackie, School of Food Science & Nutrition, The University of Leeds, United Kingdom.
Gunness, P. and Gidley, M. J. (2017). Dietary fibres and lipids interactions. Department of Gastroenterology, Monash University, Melbourne.