Fructose is found in fruits, is one of the components of the disaccharide sucrose, and is a widely used sweetener in processed foods. Dietary fructose is catabolized in the liver via fructose 1-phosphate to yield dihydroxyacetone phosphate and glyceraldehyde 3-phosphate, which then are converted to pyruvate via steps of canonical glycolysis (Hers & Kusaka 1953; Sillero et al. 1969). Excessive dietary intake of fructose and its metabolism have been associated with major disease risks in humans, although this issue remains controversial (Kolderup & Svihus 2015; DiNicolantonio et al. 2015; Bray 2013; Mayes 1993; Rippe & Angelopoulos 2013; van Buul et al. 2013). Fructose can also be synthesized from glucose via the polyol pathway (Hers 1960; Oates 2008). This synthetic process provides the fructose found in seminal fluid and, in other tissues, can contribute to pathologies of diabetes.
Rippe, JM, Angelopoulos, TJ
Bray, GA
Svihus, B, Kolderup, A
Brouns, FJ, Tappy, L, van Buul, VJ
Hers, HG, Kusaka, T
Oates, PJ
Mayes, PA
Hers, HG
DiNicolantonio, JJ, O'Keefe, JH, Lucan, SC
Sillero, MA, Sillero, A, Sols, A
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