20
Typical B
6
values in food
Fortified cereals*
12 mg/100g
Milk (pasteurized)
0.04 mg/100g
Milk (nonfat, dried)
0.3 mg/100g
Beef/Lamb (lean)
0.68 mg/100g
Pork
0.79 mg/100g
Pistachio Nuts
1.12 mg/100g
*Content may vary greatly depending on brand.
Tuna
1.04 mg/100g
Bananas
0.37 mg/100g
Spinach
0.24 mg/100g
Tofu (firm)
0.50 mg/100g
B
6
Forms, and Chemistry
Vi
i B i ll 2 h l 3 h d 5 h d
h l
tam n
6
s a ‐met y ‐ ‐ y roxy‐ ‐ y roxy met y
pyridine compounds that possess the biological activity of
pyridoxine (PN)(2‐methyl‐3‐hydroxy‐4,5‐
bis(hydroxymethyl)‐pyridine in rats.
Other B
6
forms are pyridoxal (PL) and pyrioxamine (PM)
with an aldehyde and aminoethyl substituted at the 4
iti
ti l
pos on, respec ve y.
Each form can also be phosphorylated at the 5 position
PNP, PLP, and PMP.
The metabolically active form is PLP.
