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Micronutrients are essential elements required by organisms in small quantities to perform various biogeochemical processes and regulate physiological functions of cells and organs. [ 1 ] [ 2 ] By enabling these processes, micronutrients support the health of organisms throughout life.
Malnutrition occurs when an organism gets too few or too many nutrients, resulting in health problems. [11] [12] Specifically, it is a deficiency, excess, or imbalance of energy, protein and other nutrients which adversely affects the body's tissues and form.
Foods with micronutrients can help you maintain bone, brain and eye health and more. A dietitian shares the types of micronutrients, deficiency signs and more. ... USA TODAY. Palisades and Eaton ...
Zinc is a vital micronutrient that plays a crucial role in enzymatic catabolism, immune cell function, DNA synthesis, and various micronutrient metabolisms. In the elderly, low serum zinc levels have been reported, which weakens the immune system, making them more susceptible to infections and increasing their risk of morbidity.
In 1992, Micronutrient Initiative was established as a secretariat within the International Development Research Centre (IDRC), based in Ottawa, Ontario, Canada, to support progress toward that goal. In 1993 IDRC recruited an executive director for the secretariat and transferred 2–3 of its staff to the new organization. [ 6 ]
Micronutrients are needed in smaller amounts (milligrams or micrograms); they have subtle biochemical and physiological roles in cellular processes, like vascular functions or nerve conduction. Inadequate amounts of essential nutrients or diseases that interfere with absorption, result in a deficiency state that compromises growth, survival and ...
While they are essential for life, micronutrients don’t provide calories for energy. Many, including vitamins A, C, E, beta-carotene, and the mineral selenium, serve as antioxidants ...
Micronutrient availability can constrain primary production because trace metals are sometimes limiting nutrients. Iron has been determined to be a primary limiting micronutrient in HNLC provinces. [5] Recent studies have indicated that zinc and cobalt may be secondary and/or co-limiting micronutrients. [10] [11]