| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2010: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Research Abstract |
We examined the effect of dissolved oxygen on the polyphenols used as an antioxidant in the processed food. Although polyphenols were stable below neutral pH even if dissolved oxygen existed, the oxidation of polyphenols was rapidly caused with an increase in pH. Moreover, metal ions (Cu^<2+> and Fe^<2+>) not only formed complexes with polyphenols but also oxidized polyphenols with dissolved oxygen.
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