ORAC Values and Anthocyanin Content of Brazilian and Floridian Acai (Euterpe oleraceae Mart.)

被引：4
|
作者：
Dupureur, Cynthia M. [1 ,2 ]
Sabaa-Srur, Armando U. O. [3 ]
Tran, Kevin [4 ]
Shejwalker, Pushkar S. [1 ,2 ]
Smith, Robert E. [4 ]
机构：
[1] Univ Missouri, Dept Chem & Biochem, One Univ Dr, St Louis, MO 63121 USA
[2] Univ Missouri, Ctr Nanosci, St Louis, MO 63121 USA
[3] Univ Fed Rio de Janeiro, Dept Nutr, Rio De Janeiro, Brazil
[4] US FDA, Total Diet & Pesticide Res Ctr, Lenexa, KS 66214 USA
来源：
NATURAL PRODUCTS JOURNAL | 2012年 / 2卷 / 02期
关键词：
Acai; ORAC; cyanidin-3-glucoside; cyanidin-3-rutinoside;
D O I：
10.2174/2210315511202020099
中图分类号：
R914 [药物化学];
学科分类号：
100701 ;
摘要：
Lyophilized Brazilian and Floridian acai samples were analyzed for their oxygen radical absorbance capacities (ORAC values) and concentrations of the two anthocyanins that are known to exist in acai. The ORAC values were statistically the same: 750 +/- 120 and 730 +/- 130 Trolox equivalents per g (TE/g) for Floridian and Brazilian acai, respectively. However, Brazilian acai had more cyanidin-3-O-glucoside (Cy-glu) and cyanidin-3-O-rutinoside (4.0 and 2.4 mg/g, respectively) than Floridian acai (0.8 and 0.5 mg/g, respectively). Thus, the two known anthocyanins account for a statistically insignificant amount of the ORAC values for these samples.
引用
收藏
页码：99 / 103
页数：5
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