Phytic acid is a six-fold dihydrogenphosphate ester of inositol (specifically, of the myo isomer), also called inositol hexaphosphate, inositol hexakisphosphate (IP6) or inositol polyphosphate. At physiological pH, the phosphates are partially ionized, resulting in the phytate anion.
The (myo) phytate anion is a colorless species that has significant nutritional role as the principal storage form of phosphorus in many plant tissues, especially bran and seeds. It is also present in many legumes, cereals, and grains. Phytic acid and phytate have a strong binding affinity to the dietary minerals calcium, iron, and zinc, inhibiting their absorption in the small intestine.
The lower inositol polyphosphates are inositol esters with less than six phosphates, such as inositol penta- (IP5), tetra- (IP4), and triphosphate (IP3). These occur in nature as catabolites of phytic acid. |
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InChI=1S/C6H18O24P6/c7- 31(8,9) 25- 1- 2(26- 32(10,11) 12) 4(28- 34(16,17) 18) 6(30- 36(22,23) 24) 5(29- 35(19,20) 21) 3(1) 27- 33(13,14) 15/h1- 6H,(H2,7,8,9) (H2,10,11,12) (H2,13,14,15) (H2,16,17,18) (H2,19,20,21) (H2,22,23,24) /t1- ,2- ,3- ,4+,5- ,6- |
IMQLKJBTEOYOSI-GPIVLXJGSA-N |
OP(O) (=O) O[C@@H] 1[C@H] (OP(O) (O) =O) [C@H] (OP(O) (O) =O) [C@@H] (OP(O) (O) =O) [C@H] (OP(O) (O) =O) [C@H] 1OP(O) (O) =O |
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Mus musculus
(NCBI:txid10090)
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Source: BioModels - MODEL1507180067
See:
PubMed
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Escherichia coli
(NCBI:txid562)
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See:
PubMed
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iron chelator
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Escherichia coli metabolite
Any bacterial metabolite produced during a metabolic reaction in Escherichia coli.
mouse metabolite
Any mammalian metabolite produced during a metabolic reaction in a mouse (Mus musculus).
cofactor
An organic molecule or ion (usually a metal ion) that is required by an enzyme for its activity. It may be attached either loosely (coenzyme) or tightly (prosthetic group).
signalling molecule
A molecular messenger in which the molecule is specifically involved in transmitting information between cells. Such molecules are released from the cell sending the signal, cross over the gap between cells by diffusion, and interact with specific receptors in another cell, triggering a response in that cell by activating a series of enzyme controlled reactions which lead to changes inside the cell.
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antineoplastic agent
A substance that inhibits or prevents the proliferation of neoplasms.
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View more via ChEBI Ontology
myo-inositol hexakis(dihydrogen phosphate)
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acide fytique
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ChemIDplus
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acido fitico
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ChemIDplus
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acidum fyticum
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ChemIDplus
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1D-myo-Inositol 1,2,3,4,5,6-hexakisphosphate
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KEGG COMPOUND
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1D-myo-Inositol hexakisphosphate
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KEGG COMPOUND
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D-myo-Inositol 1,2,3,4,5,6-hexakisphosphate
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KEGG COMPOUND
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Inosithexaphosphorsäure
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ChemIDplus
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myo-inositol 1,2,3,4,5,6-hexakisphosphate
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ChEBI
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myo-Inositol hexakisphosphate
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KEGG COMPOUND
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Phytate
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KEGG COMPOUND
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Phytic acid
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KEGG COMPOUND
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Phytine
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ChemIDplus
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Säure des phytins
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ChemIDplus
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2201952
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Reaxys Registry Number
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Reaxys
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83-86-3
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CAS Registry Number
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ChemIDplus
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