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The oxidation of water is catalyzed in photosystem II by a redox-active structure that contains four manganese ions and a calcium ion; this oxygen-evolving complex binds two water molecules and contains the four oxidizing equivalents that are used to drive the water-oxidizing reaction (Kok's S-state diagrams).
Molasses is composed of 22% water, 75% carbohydrates and very small amounts (0.1%) of fat. It contains no protein . In a reference amount of 100 grams, molasses is a rich source (20% or more of the Daily Value , DV) of vitamin B6 and several dietary minerals , including manganese , magnesium , iron , potassium and calcium .
Production. Commercial lecithin, as used by food manufacturers, is a mixture of phospholipids in oil. The lecithin can be obtained by water degumming the extracted oil of seeds. It is a mixture of various phospholipids, and the composition depends on the origin of the lecithin. A major source of lecithin is soybean oil.
Photosystem II (or water-plastoquinone oxidoreductase) is the first protein complex in the light-dependent reactions of oxygenic photosynthesis. It is located in the thylakoid membrane of plants, algae, and cyanobacteria. Within the photosystem, enzymes capture photons of light to energize electrons that are then transferred through a variety ...
Cherries are good sources of antioxidants, and sweet cherries are higher in anthocyanins than tart cherries. Cherries are good sources of the antioxidant vitamin C. They contain tryptophan, which ...
For the journal, see Nutrients(journal). A nutrientis a substanceused by an organism to survive, grow and reproduce. The requirement for dietary nutrient intake applies to animals, plants, fungiand protists. Nutrients can be incorporated into cells for metabolic purposesor excretedby cells to create non-cellular structures such as hair, scales ...
It is a rich source (20% or more of the Daily Value, DV) of vitamin A, vitamin C, manganese, and folate (31-52% DV), with an especially high content of vitamin K (403% DV) (table). Spinach is a moderate source (10–19% of DV) of the B vitamins , riboflavin and vitamin B 6 , vitamin E , potassium , iron , magnesium , and dietary fiber (table).
Magnesium glycinate, also known as magnesium diglycinate or magnesium bisglycinate, is the magnesium salt of glycine (one magnesium and two glycine molecules), and is sold as a dietary supplement. [ 1 ][ 2 ] It contains 14.1% elemental magnesium by mass. Magnesium glycinate is also often "buffered" with magnesium oxide but it is also available ...