As shown in Fig.1, at the beginning of the reaction, there
were not significant differences among those groups,
which might be caused by the limited amounts of peroxides
as the free radicals were being formed during the
inducing period of the oxidation reaction. Then the
amounts of peroxides increased with the increase of peroxide
value as the reaction proceeding. The pigment’s
effect on antioxidant was confirmed that all of the POV
of assay groups were lower than the blank one . The POV of blank sample exceeded standard
of GB10146-2005 at the 6th day,
while the pigment samples in 0.01, 0.05 and the 0.1 mg
mL-1 Vc sample at the 8th day, and the pigment samples
in 0.1 and 0.5 mg mL-1 at the 12th day and 16th day,
respectively, and the pigment’s antioxidant capacity was
higher than Vc when its concentration exceeded 0.1 mg
mL-1.
As shown in Fig.1, at the beginning of the reaction, therewere not significant differences among those groups,which might be caused by the limited amounts of peroxidesas the free radicals were being formed during theinducing period of the oxidation reaction. Then theamounts of peroxides increased with the increase of peroxidevalue as the reaction proceeding. The pigment’seffect on antioxidant was confirmed that all of the POVof assay groups were lower than the blank one . The POV of blank sample exceeded standardof GB10146-2005 at the 6th day,while the pigment samples in 0.01, 0.05 and the 0.1 mgmL-1 Vc sample at the 8th day, and the pigment samplesin 0.1 and 0.5 mg mL-1 at the 12th day and 16th day,respectively, and the pigment’s antioxidant capacity washigher than Vc when its concentration exceeded 0.1 mgmL-1.
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