VITAMIN B 6 refers to several PICOLINES (especially PYRIDOXINE; PYRIDOXAL; & PYRIDOXAMINE) that are efficiently converted by the body to PYRIDOXAL PHOSPHATE which is a coenzyme for synthesis of amino acids, neurotransmitters (serotonin, norepinephrine), sphingolipids, and aminolevulinic acid. During transamination of amino acids, pyridoxal phosphate is transiently converted into PYRIDOXAMINE phosphate. Although pyridoxine and Vitamin B 6 are still frequently used as synonyms, especially by medical researchers, this practice is erroneous and sometimes misleading (EE Snell; Ann NY Acad Sci, vol 585 pg 1, 1990). Most of vitamin B6 is eventually degraded to PYRIDOXIC ACID and excreted in the urine.
    

concept

'Tabloid' Yeast Concentrate.

Role of vitamin B6 in neurobiology / editors, Manuchair S. Ebadi, Erminio Costa.

Pyridoxine (vitamin B6) : treatment for premenstrual syndrome / Michael Brush.

Pantothenic acid, vitamin B6 and vitamin B12 in foods / by Martha Louise Orr, Consumer and Food Economics Research Division, Agricultural Research Service, United States Deptartment of Agriculture.

Vitamin B 6

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'Tabloid' Yeast Concentrate.

Role of vitamin B6 in neurobiology / editors, Manuchair S. Ebadi, Erminio Costa.

Pyridoxine (vitamin B6) : treatment for premenstrual syndrome / Michael Brush.

Pantothenic acid, vitamin B6 and vitamin B12 in foods / by Martha Louise Orr, Consumer and Food Economics Research Division, Agricultural Research Service, United States Deptartment of Agriculture.