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Phenolic Content of Whole Grains
0
2
4
6
8
10
12
14
16
Corn Wheat Oats Rice
FreeBoundTotal
Tot
al P
hen
olic
s (u
mol
/g)
Adom and Liu, J. Agri. Food Chem. 2002
Phenolic Content of Whole Grains
0
2
4
6
8
10
12
14
16
Corn Wheat Oats Rice
FreeBoundTotal
Tot
al P
hen
olic
s (u
mol
/g)
Adom and Liu, J. Agri. Food Chem. 2002
Phenolic Content of Whole Grains
0
2
4
6
8
10
12
14
16
Corn Wheat Oats Rice
FreeBoundTotal
Tot
al P
hen
olic
s (u
mol
/g)
Adom and Liu, J. Agri. Food Chem. 2002
85%
75%
75%
62%
0
20
40
60
80
100
120
140
160
180
200
Corn Wheat Oats Rice
Total antioxidant activity (μ ./ )mol vit C eq g grain
Free
Bound
Total
Total Antioxidant Activity of Whole Grains
Adom and Liu, J. Agri. Food Chem. 2002
90%
90%
60% 70%
0
20
40
60
80
100
120
140
160
W7985 Ketifa Stoa Cham Caledonia Sinton RoaneWheat varieties
Lutein (
μ/100 )g g grain
e
c
d d
a
c
b
Lutein content of wheat varieties
Synthetic
Red Sp
Hard red Sp
White Sp
Soft white
Hard red
Soft red
Adom et al., J. Agri. Food Chem. 2003
0
2
4
6
8
10
12
14
16
W7985 Ketifa Stoa Cham Caledonia Sinton Roane
Wheat Variety
d
a b b a
e
c
-Cryptoxanthin content of wheat varieties
Adom et al., J. Agri. Food Chem. 2003
-C
ryp
toxa
nth
in (μg
/100
g g
rain
s)
0
10
20
30
40
50
60
70
80
90
100
Ferulic acid Phenolics Flavonoids Zeaxanthin Lutein Cryptoxanthin
Percentage distribution (%)
Bran/Germ
Endosperm
Percent Distributions of Wheat Phytochemicals
95
5
58
42
4951
22
7883 79
21
17
Adom et al., J. Agri. Food Chem. 53, 2297-2306, 2005
