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Abbott Nutrition Division
Simultaneous Determination of Total Vitamin B
6,
B
2,
B
3
and B
1
in Infant
Formula Products by LC-MS/MS Using Enzymatic Digestion
b)
Pyridoxal
Pyridoxal is one of the three natural forms of
vitamin B6,along with
pyridoxamineand
pyridoxine(also called "pyridoxol"). Pyridoxal is the primary inherent for of B6 in animal based
food, and therefore the primary form in milk and milk powders.
The molecular formula for Pyridoxal is C
8
H
9
NO
3
and its molecular weight is 167.16 g/mol.
Common synonyms include 3-hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carbaldehyde
The CAS# for Pyridoxal is 66-72-8.
The chemical structure of Pyridoxal is shown below:
c)
Pyridoxamine
Pyridoxamine is one of the compounds composing
vitamin B6.Pyridoxamine is based on a
pyridinering, with
hydroxyl, methyl,aminomethyl, and hydroxymethyl
substituents.It differs
from
pyridoxineby the substitution at the 4-position.
Common synonyms include 4-(aminomethyl)-5-(hydroxymethyl)-2-methylpyridin-3-ol
The CAS# for Pyridoxamine is 86-87-0.
The chemical structure of Pyridoxamine is shown below:
22
BVIT-02
FOR ERP/WORKING GROUP USE ONLY
DO NOT DISTRIBUTE