Table 5 Antioxidant activity of buckwheat samples
Flavonoid (mg/g)
Rutin (mg/100 g)
DPPH (%)
Common buckwheat
0.4±0.03
c
1)
4.6±0.05
c
12.3±0.2
d
Tartary buckwheat
3.9±0.1
b
634±14.9
b
22.3±0.4
c
Buckwheat leaves
78.8±0.8
a
1,776±17.3
a
89.7±0.4
a
Sea tangle
1.2±0.1
c
0
80.0±0.5
b
1)
Values are mean±S.D. Values with different superscripts are significantly different for each group at
p
<0.05 by Duncan’s multiple range test.