学术报告 9

NMR-based metabolomic investigation of bioactivity of chemical constituents in black raspberry (Rubus occidentalis L.) fruit extracts.

基于核磁共振的代谢组学研究黑覆盆子(Rubus occidentalis L.)果实提取物中化学成分的生物活性。

 

原文链接官方网址:https://www.ncbi.nlm.nih.gov/pubmed

J Agric Food Chem。2014 年 2 月 26 日; 62(8):1989-98。doi:10.1021 / jf404998k。

 

Epub 2014 Feb 12。

 

Paudel     L1, Wyzgoski     FJ, Giusti     MM, Johnson     JL, Rinaldi     PL, Scheerens


JC, Chanon AM, Bomser JA, Miller AR, Hardy JK, Reese RN.

 

Author information

 

School of  Chemistry,  University of  Manchester , Oxford Road,  Manchester  M13  9PL,

 

United Kingdom.

 

作者信息

 

曼彻斯特大学化学学院牛津路,曼彻斯特 M13 9PL,英国。

 

Abstract

 

Black raspberry (Rubus occidentalis L.) (BR) fruit extracts with differing compound profiles have shown variable antiproliferative activities against HT-29 colon cancer cell lines. This study used partial least-squares (PLS) regression analysis to develop


 

a high-resolution (1)H NMR-based multivariate statistical model for discerning the

biological activity of BR constituents. This model identified specific bioactive compounds and ascertained their relative contribution against cancer cell proliferation. Cyanidin 3-rutinoside and cyanidin 3-xylosylrutinoside were the predominant contributors to the extract bioactivity, but salicylic acid derivatives (e.g., salicylic acid glucosyl ester), quercetin 3-glucoside, quercetin 3-rutinoside, p-coumaric acid, epicatechin, methyl ellagic acid derivatives (e.g., methyl ellagic acetyl pentose), and citric acid derivatives also contributed significantly to the antiproliferative activity of the berry extracts. This approach enabled the

identification of new bioactive components in BR fruits and demonstrates the utility of the method for assessing chemopreventive compounds in foods and food products.

具有不同化合物特征的黑覆盆子(Rubus occidentalis L.)(BR)果实提取物显示出针对 HT-29 结肠癌细胞系的可变抗增殖活性。本研究使用偏最小二乘法(PLS)回归分析来开发基于高分辨 率(1)H NMR 的多变量统计模型来辨别 BR 组分的生物活性。该模型鉴定了特定的生物活性 化合物并确定了它们对抗癌细胞增殖的相对贡献。花青素 3-芸香糖苷和花青素 3-木糖基芸香糖 苷是提取物生物活性的主要贡献者,但是水杨酸衍生物(例如水杨酸葡糖基酯),槲皮素 3-葡 萄糖苷,槲皮素 3-芸香糖苷,对香豆酸,表儿茶素,甲基鞣花酸酸衍生物(例如甲基鞣酸乙酰 戊糖),柠檬酸衍生物也对浆果提取物的抗增殖活性有显着贡献。这种方法能够鉴别 BR 水果中 的新型生物活性成分,并展示了评估食品和食品中化学预防性化合物的方法的实用性。

PMID:24520932       

DOI:10.1021/jf404998k

源自:

 

美国国家医学图书馆

美国国家卫生研究院

US National Library of Medicine/

Us National Institutes of Health/