Isolation of five proanthocyanidins from pear (Pyrus pyrifolia Nakai) fruit peels

被引：11
作者：
Jeong, Da Eun [1 ]
Cho, Jeong-Yong [1 ]
Lee, Yu Geon [1 ]
Jeong, Hang Yeon [1 ]
Lee, Hyoung Jae [1 ]
Moon, Jae-Hak [1 ]
机构：
[1] Chonnam Natl Univ, Dept Food Sci & Technol, Plus Program BK21, Gwangju 61186, Jeonnam, South Korea
来源：
FOOD SCIENCE AND BIOTECHNOLOGY | 2017年 / 26卷 / 05期
关键词：
Pyrus pyrifolia Nakai; Pear fruit; Proanthocyanidin; Trimeric A-type proanthocyanidin; Epicatechin; RADICAL-SCAVENGING ACTIVITY; PHENOLIC-COMPOUNDS; ACID-DERIVATIVES; GENUS PYRUS; CRANBERRY; PROCYANIDINS; CULTIVARS; JUICE; NMR; DNA;
D O I：
10.1007/s10068-017-0157-4
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Five proanthocyanidins, two B-type dimers and three A-type trimers, were purified and isolated from the fruit peels of Pyrus pyrifolia Nakai cv. Chuhwangbae. The isolated compounds were identified as (-)-epicatechin gallate-(4 beta -> 8)-(-)-epicatechin (Hahashi et al. in Ann Biol Res 3:3200-3207, 2012), (-)-epicatechin-(4 beta -> 8)-(-)-epicatechin (procyanidin B2) (Tanrioven and Eksi in Food Chem 93:89-93, 2005), (-)-epicatechin-(4 beta -> 8, 2 beta -> O-7)-(-)-epicatechin-(4 beta -> 8)-(-)-epicatechin (cinnamtannins B1) (Salta et al. in J. Fun. Food 2: 153-157, 2010), (-)-epicatechin-(4 beta -> 8)-(-)-epicatechin-(4 beta -> 8, 2 beta -> O-7)-(-)-epicatechin (aesculitannin A) (Challice and Westwood in Phytochemistry 11: 37-44, 1972), and (-)-epicatechin-(4 beta -> 6)-(-)-epicatechin-(4 beta -> 8, 2 beta -> O -> 7)-(-)-epicatechin (Es-Safi et al. in J Agric Food Chem 54: 6969-6977, 2006). Their structures were determined by nuclear magnetic resonance and mass spectrometry. The three A-type proanthocyanidin trimers were identified for the first time from pear.
引用
收藏
页码：1209 / 1215
页数：7
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