論文

基本情報

氏名 沖 智之
氏名(カナ) オキ トモユキ
氏名(英語) OKI TOMOYUKI
所属 中村学園大学 栄養科学部 栄養科学科
職名 教授

題名

抗酸化能測定法であるH‐ORAC法の室間共同試験

単著・共著の別

 

著者

渡辺純, 沖智之, 竹林純, 山崎光司, 津志田藤二郎

概要

In this study, we performed an interlaboratory study of the H-ORAC method (hydrophilic-oxygen radical absorbance capacity), which is an antioxidant potential measuring method using representative antioxidant components, on the basis of the guideline of AOAC International and investigated the accuracy. Eleven laboratories participated, and analyzed five representative antioxidative compounds (( + )-catechin, Trolox, trans-ferulic acid, hesperetin, and caffeic acid) in solution and in powder as blind duplicates. A statistical treatment revealed that the relative standard deviation of repeatability (RSDr) of material solutions ranged from 5.9% to 13.2%, and from 5.4 to 10.4% in powder sample. The interlaboratory relative standard deviation of reproducibility (RSDR) of material solutions or powders ranged from 16.2% to 61.4%, from 16.9% to 33.2%, respectively. The HorRat values of material solutions or powders calculated from the highest concentration of Trolox standard carve (50μM) ranged from 1.48 to 5.62 in solution example, from 1.54 to 3.03 in powder example, respectively. Thus, it is difficult to conclude that H-ORAC method used in the present interlaboratory study has acceptabl

発表雑誌等の名称

日本食品科学工学会誌

出版者

日本食品科学工学会

57

12

開始ページ

525

終了ページ

531

発行又は発表の年月

20101215

査読の有無

無し

招待の有無

無し

記述言語

日本語

掲載区分

 

掲載種別

 

ISSN

1341-027X

ID:DOI

10.3136/nskkk.57.525

ID:NAID(CiNiiのID)

10027498323

ID:PMID

 

URL

JGlobalID

201102298478118197

arXiv ID

 

ORCIDのPut Code

 

DBLP ID

 

OpenDepoのWekoID