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6 cze 2022 · Iron homeostasis is mainly controlled by intestinal absorption because iron does not have active excretory mechanisms for humans. Thus, efficient intestinal iron bioavailability is essential to reduce the risk of iron deficiency anemia. There are two forms of iron, heme and nonheme, found in foods.
- PMC Free Article
Hypoxia-inducible factor-signaling upregulates the...
- Ferfer
Introduction. According to the global anemia prevalence...
- Comparison Study of Iron Bioaccessibility From Dietary Supplements and Microencapsulated Preparations
In the form of lactate, one tablet of dietary supplements...
- A Review
Iron absorption generally starts from the first part of the...
- Impact of Ascorbic Acid on The In Vitro Iron Bioavailability of a Casein-Based Iron Fortificant
1. Introduction. Iron is an essential micronutrient with...
- Biochemical and Nutritional Characteristics of Buffalo Meat and Potential Implications on Human Health for a Personalized Nutrition
The human consumption of food animal products is the main...
- PubMed
Based on the Institute of Medicine's review of the...
- PMC Free Article
10 cze 2022 · Patients in whom the gastrointestinal blood loss exceeds the intestinal ability to absorb iron (e.g. intestinal angiodysplasia) may develop iron deficiency anemia refractory to oral iron supplementation.
11 sty 2001 · Iron absorption occurs predominantly in the duodenum and upper jejunum ( Muir and Hopfer, 1985) (Figure 1). The mechanism of iron transport from the gut into the blood stream remains a mystery despite intensive investigation and a few tantalizing hits (see below).
Intestinal iron absorption is a critical process for maintaining body iron levels within the optimal physiological range. Iron in the diet is found in a wide variety of forms, but the absorption of non-heme iron is best understood.
17 kwi 2023 · The absorption of most dietary iron occurs in the duodenum and proximal jejunum and depends heavily on the physical state of the iron atom. At physiological pH, iron exists in the oxidized, ferric (Fe3+) state.
8 sie 2014 · Iron absorption is precisely regulated by a range of systemic and cellular mediators (Fig. 2). Liver-derived, circulating HEPC regulates duodenal iron absorption and also modulates iron release from stores in hepatocytes and RE macrophages (which recycle iron from senescent erythrocytes).
1 mar 1998 · Absorption may be defined as the movement of iron from the intestinal lumen across the epithelial cells of the digestive tract into the circulation, while bioavailability generally refers to the proportion of iron in a given food or diet that the body can actually utilize.
