eBook by Amy Golumbia
The Phytase Project: A Seed of Hope
In my eBook,The Phytase Project: A Seed of Hope you can learn more about:
- Why modern foods are full of phytic acid
- How phytic acid causes micronutrient deficiencies
- The link between micronutrient deficiencies and disease
- How micronutrient deficiencies affect your immune system
- How to turn phytic acid from an enemy into an ally
- What you need to eat to counteract phytic acid’s nutrient-inhibiting effects
- Food preparation tips to maximize nutrient absorption
Want to read more?
Here are some published scientific journal articles and websites to dig further into the relationship between phytate, phytase and your health, zinc deficiency, iron deficiency, zinc and iron deficiency in athletes, and statistics on micronutrient deficiency, malnutrition, and hidden hunger globally.
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Phytase and Phytate
Troesch, Barbara & Jing, Hua & Laillou, Arnaud & Fowler, Ann. (2013).Absorption Studies Show that Phytase from Aspergillus niger Significantly Increases Iron and Zinc Bioavailability from Phytate-Rich Foods. Food and nutrition bulletin. 34. S90-101.
Sandberg AS, Hulthén LR, Türk M.Dietary Aspergillus niger phytase increases iron absorption in humans. J Nutr. 1996 Feb;126(2):476-80.
Barbara Troesch, Ines Egli, Christophe Zeder, Richard F Hurrell, Saskia de Pee, Michael B Zimmermann,Optimization of a phytase-containing micronutrient powder with low amounts of highly bioavailable iron for in-home fortification of complementary foods, The American Journal of Clinical Nutrition, Volume 89, Issue 2, February 2009, Pages 539–544.
Living with Phytic Acid. March 26, 2010 by Ramiel Nagel atWeston A. Price Foundation
Fraker PJ, King LE, Laakko T, Vollmer TL.The dynamic link between the integrity of the immune system and zinc status. J Nutr. 2000 May;130(5S Suppl):1399S-406S.
Hess SY, Lönnerdal B, Hotz C, Rivera JA, Brown KH.Recent Advances in Knowledge of Zinc Nutrition and Human Health. Food and Nutrition Bulletin. 2009;30(1_suppl1):S5-S11.
Ibs KH, Rink L.Zinc-altered immune function. J Nutr. 2003 May;133 (5 Suppl 1):1452S-6S.
Krebs NF.Overview of zinc absorption and excretion in the human gastrointestinal tract. J Nutr. 2000 May;130(5S Suppl):1374S-7S.
Maret W, Sandstead HH.Zinc requirements and the risks and benefits of zinc supplementation. J Trace Elem Med Biol. 2006;20(1):3-18.
Oberleas D, Harland BF.Treatment of zinc deficiency without zinc fortification. J Zhejiang Univ Sci B. 2008 Mar;9(3):192-6.
Roohani N, Hurrell R, Kelishadi R, Schulin R.Zinc and its importance for human health: An integrative review. J Res Med Sci. 2013 Feb;18(2):144-57.
Stoltzfus RJ.Iron deficiency: global prevalence and consequences. Food Nutr Bull. 2003 Dec;24(4 Suppl):S99-103.
Wessels I, Maywald M, Rink L.Zinc as a Gatekeeper of Immune Function. Nutrients. 2017;9(12):1286. Published 2017 Nov 25.
Shankar, A. and A. Prasad.Zinc and immune function: the biological basis of altered resistance to infection. The American journal of clinical nutrition 68 2 Suppl (1998): 447S-463S.
Iron Deficiency in Athletes
Alaunyte I, Stojceska V, Plunkett A.Iron and the female athlete: a review of dietary treatment methods for improving iron status and exercise performance. J Int Soc Sports Nutr. 2015;12:38.
Coates, Alexandra BSc*; Mountjoy, Margo MD, PhD; Burr, Jamie PhD* Incidence of Iron Deficiency and Iron Deficient Anemia in Elite Runners and Triathletes, Clinical Journal of Sport Medicine: September 2017 - Volume 27 - Issue 5 - p 493-498
Clenin GE, Cordes M, Huber A, et al. Iron deficiency in sports—definition, influence on performance and therapy. Swiss Med Wkly. 2015;145: 1–15.
DellaValle DM. Iron supplementation for female athletes: effects on iron status and performance outcomes. Curr Sports Med Rep. 2013 Jul-Aug;12(4):234-9.
Gough CE, Sharpe K, Garvican LA, et al. The effects of injury and illness on haemoglobin mass. Int J Sports Med. 2013;34:763–769.
Guest NS, Horne J, Vanderhout SM and El-Sohemy A (2019) Sport Nutrigenomics: Personalized Nutrition for Athletic Performance. Front. Nutr. 6:8.
Malczewska-Lenczowska, J., Stupnicki, R., & Szczepańska, B. (2009). Prevalence of iron deficiency in male elite athletes, Biomedical Human Kinetics, 1(2009), 36-41.
Pate RR, Miller BJ, Davis JM, et al. Iron status of female runners. Int J Sport Nutr. 1993;3:222–231.
Peeling P, Sim M, Badenhorst CE, et al. Iron status and the acute postexercise hepcidin response in athletes. PLoS One. 2014;9:e93002
Reinke S, Taylor WR, Duda GN, et al. Absolute and functional iron deficiency in professional athletes during training and recovery. Int J Cardiol. 2012;156:186–191
Stewart JG, Ahlquist DA, McGill DB, et al. Gastrointestinal blood loss and anemia in runners. Ann Intern Med. 1984;100:843–845.
Verdon F, Burnand B, Stubi CLF, et al. Iron supplementation for unexplained fatigue in non-anaemic women: double blind randomised placebo controlled trial. BMJ. 2003;326:1–4.
World Health Organization (WHO): Worldwide prevalence on anaemia 1993-2005 de Benoist B et al., eds. Worldwide prevalence of anaemia 1993-2005. WHO Global Database on Anaemia Geneva, World Health Organization, 2008.
Zoller H, Vogel W. Iron supplementation in athletes—first do no harm. Nutrition. 2004;20:615–619.
Micronutrient Deficiencies, Malnutrition, and Hidden Hunger Globally
Bailey R, L, West Jr. K, P, Black R, E:The Epidemiology of Global Micronutrient Deficiencies. Ann Nutr Metab 2015;66 (suppl 2):22-33.
Brown KH, Baker SK; IZiNCG Steering Committee.Galvanizing action: conclusions and next steps for mainstreaming zinc interventions in public health programs. Food Nutr Bull. 2009 Mar;30(1 Suppl):S179-84.
de Benoist B, Darnton-Hill I, Davidsson L, Fontaine O, Hotz C.Conclusions of the Joint WHO/UNICEF/IAEA/IZiNCG Interagency Meeting on Zinc Status Indicators. Food and Nutrition Bulletin. 2007;28 (3_suppl3): S480-S484.
Food and Agriculture Organization of the United Nations: Various Publications
Hannah Ritchie (2017) - "Micronutrient Deficiency". Published online at OurWorldInData.org. Retrieved from: 'https://ourworldindata.org/micronutrient-deficiency'
Hodge, Judith. 2016.Hidden hunger: Approaches to tackling micronutrient deficiencies. In Nourishing millions: Stories of change in nutrition. Gillespie, Stuart; Hodge, Judith; Yosef, Sivan; and Pandya-Lorch, Rajul (Eds.) Ch. 4 Pp. 35-43. Washington, D.C.: International Food Policy Research Institute (IFPRI).
International Zinc Nutrition Consultative Group (IZiNCG), Brown KH, Rivera JA, Bhutta Z, Gibson RS, King JC, Lönnerdal B, Ruel MT, Sandtröm B, Wasantwisut E, Hotz C.International Zinc Nutrition Consultative Group (IZiNCG) technical document #1. Assessment of the risk of zinc deficiency in populations and options for its control. Food Nutr Bull. 2004 Mar;25(1 Suppl 2): S99-203. PMID: 18046856.
International Zinc Nutrition Consultative Group(IZiNCG): Various Publications
World Food Programme.Acute Malnutrition: Time for a Fresh Approach.2018.
World Food Programme:WFP Specialized Nutritious Foods Sheet. Programme. Treating Moderate Acute Malnutrition (MAM). November 19, 2020.