[ Ketosis ] A metabolic state of ketogenesis, where the liver produces ketone bodies as a supplementary energy source. It is characterised by blood concentrations of ketone bodies over 0.5 millimolar, and low levels of insulin and blood glucose, usually… Read More »Ketosis
[ Krebs_Cycle, Citric_Acid_Cycle, Tricarboxylic_Acid_Cycle, TCA_Cycle ] The metabolic pathway taking place in the mitochondria of all aerobic organisms that produces ATP through the oxidation of acetyl-CoA from carbohydrates, fatty acids and amino acids. Named after the biochemist, Sir Hans A.… Read More »Krebs Cycle
[ Lactase ] An enzyme that catalyses the hydrolysis of lactose (milk sugar) into glucose and galactose.
[ Lactitol ] A sugar alcohol with about 40% of the sweetness of sucrose and 2.4 kcal/gram of energy. Lactitol has been prescribed as a laxative and as a prebiotic.
[ Lactose, Milk_Sugar ] Lactose is a disaccharide comprised of galactose and glucose. Milk is comprised of between 2% and 8% lactose, by weight. Some studies have suggested a link between milk-derived galactose with ovarian cancer.
[ Lactose Intolerance ] A food sensitivity caused by the inability to hydrolyse lactose in the digestive tract. The usual cause is a lactase deficiency. Symptoms of lactose intolerance may include abdominal bloating and cramps, flatulence, diarrhea, nausea, or vomiting.… Read More »Lactose Intolerance
[ Lecithin, Phosphatidylcholine ] Not to be confused with Lectin. Any of a group of amphiphilic fatty substances found in animal tissues, egg yolk, and some plants. Lecithins are usually phospholipids, consisting of phosphoric acid with choline, glycerol or other… Read More »Lecithin
[ Lectin ] Any of a class of proteins which bind specifically to certain sugars. Lectins are found in certain grains, legumes, nightshade plants and milk. Some lectins, such as ricin, are powerful toxicants.