维牛系B和酸详 抗皮炎维生素,吡啶衍生物,包括吡哆醛 Pyridoxal吡哆醇 Pyridoxin, pyridoxol 吡哆胺( pyridoxamine),生物体內往往以 磷酸酯形式发挥作用。 与氨基酸代谢密切相关,是转氨酶、脱羧 酶的辅酶,还参与氨基酸的消旋作用。 缺乏引起呕吐、中枢神经兴奋、惊厥、低 色素性贪血。 植物中分布广,谷类外皮中尤为丰富
维生素B6和磷酸吡哆醛 •抗皮炎维生素，吡啶衍生物，包括吡哆醛 [pyridoxal]、吡哆醇[pyridoxin, pyridoxol] 吡哆胺(pyridoxamine)，生物体内往往以 磷酸酯形式发挥作用。 •与氨基酸代谢密切相关，是转氨酶、脱羧 酶的辅酶，还参与氨基酸的消旋作用。 •缺乏引起呕吐、中枢神经兴奋、惊厥、低 色素性贫血。 •植物中分布广，谷类外皮中尤为丰富
Hoh HO CH2OH C Vitamin B-6 100mg PYRIDOXINE A pyridine derivative
Pyridoxine [Vit B6 ] N CH2OH HO CH2OH H3C PYRIDOXINE A pyridine derivative
HO CH2NH2 c hoh ho CH2oH H3C H3C PYRIXOXAL PYRIDOXAMINE Collectively, pyridoxine, pyridoxal and pyridoxamine are known as vitamin B6
N CHO HO CH2OH H3C N CH2N H2 HO CH2OH H3C PYRIXOXAL PYRIDOXAMINE Other Forms of B6 Collectively, pyridoxine, pyridoxal and pyridoxamine are known as vitamin B6
CHO CH2NH CH2OH HO CH2OH HO. CH2OH HO CH,OH CH CHSN 吡哆醛 吡哆胺 吡哆醇 (pyridoxal) (pyridoxamine) (pyridoxol) CHO ChaNHe HO CHaOPI- HOY-CH2OPO,- CH CH 磷酸吡哆醛 磷酸吡哆胺 pyridoxal phosphate (pyridoxamine phosphate)
维生素B 6与磷酸
Pyridoxal Phosphate Biochemical functions 1. Decarboxylation of amino acids 2. Transaminase reactions 3. Racemization reactions(消旋作用) 4. Conversion of tryptophan to niacin 5. Conversion of linoleic acid(亚油酸) into arachidonic acid(prostaglandin precursor 6. Formation of sphingolipids
Pyridoxal Phosphate Biochemical functions: 1. Decarboxylation of amino acids 2. Transaminase reactions 3. Racemization reactions（消旋作用） 4. Conversion of tryptophan to niacin 5. Conversion of linoleic acid（亚油酸） into arachidonic acid (prostaglandin precursor) 6. Formation of sphingolipids