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Breeding Research
Article . 2007 . Peer-reviewed
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Breeding Research
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Effect of Brown Pericarp and Seed Coat Gene Rc on Antioxidant Properties in Brown Rice

Authors: Setsuko Maeda; Hiroto Shinmura; Kota Nakagawa; Sosuke Ando; Tatsuo Asai; Akio Morita;

Effect of Brown Pericarp and Seed Coat Gene Rc on Antioxidant Properties in Brown Rice

Abstract

種皮褐色遺伝子(着色遺伝子)Rcの同質遺伝子系統であるT65Rcとその親系統のP.T.B.10および台中65号を用いて, Rc遺伝子と玄米の抗酸化活性の関係を明らかにした.XYZ活性酸素消去発光法による赤米品種・系統の玄米および発芽玄米の過酸化水素消去活性は,白米の約9倍と著しく高かった.一方で,同質遺伝子系統のT65Rcと戻し交配親の台中65号における過酸化水素消去活性には有意差がなく,両者の値は白米と同程度に低かった.さらに,玄米のDPPHラジカル分光測定法においても,赤米品種・系統のラジカル消去活性は白米に対し有意に高かったが,T65Rcと台中65号のラジカル消去活性に有意差はなく,その活性は白米と同程度に低かった.これらの結果から,赤米の品種・系統の玄米および発芽玄米は,白米に比べ高い抗酸化活性を有していることが確かめられた.しかし,着色遺伝子 Rcの同質遺伝子系統と親系統を用いた抗酸化能の比較から,赤米の抗酸化活性に着色遺伝子 Rcは関与しないことが示唆された.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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