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The link between the phenolic composition and the antioxidant activity in different small berries: A metabolomic approach

文献类型： 外文期刊

作者： Zhang, Meng-Qi 1 ; Zhang, Jing 1 ; Zhang, Yu-Tao 2 ; Sun, Jin-Yue 1 ; Prieto, Miguel A. 3 ; Simal-Gandara, Jesus 3 ; Putnik, Predrag 4 ; Li, Ning-Yang 5 ; Liu, Chao 1 ;

作者机构： 1.Shandong Acad Agr Sci, Inst Agrofood Sci & Technol, Key Lab Novel Food Resources Proc, Key Lab Agroprod Proc Technol Shandong Prov,Minist, 23788 Gongye North Rd, Jinan 250100, Peoples R China

2.Shandong Agr Univ, Coll Food Sci & Engn, Key Lab Food Proc Technol & Qual Control Shandong, 61 Daizong Rd, Tai An 271018, Shandong, Peoples R China

3.Univ Vigo, Fac Sci, Dept Analyt Chem & Food Sci, Nutr & Bromatol Grp, Orense 32004, Spain

4.Univ North, Dept Food Technol, Koprivnica 48000, Croatia

5.Ocean Univ China, Coll Food Sci & Engn, Qingdao 266003, Peoples R China

关键词： Small berry; Pomace; Polyphenol; Antioxidant activity; Metabolomics

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.0； 五年影响因子：6.0 ）

ISSN： 0023-6438

年卷期： 2023 年 182 卷

页码：

收录情况： SCI

摘要： Small berries have become an attractive topic of research due to their high content in phenolic compounds and reported antioxidant activity. However, there are currently few reports on the deep characterization of their polyphenol composition. Five kinds of berries (raspberry, blackberry, blueberry, mulberry and black chokeberry) were studied to compare the antioxidant activities and polyphenol compositions of both berry juice and pomace (by-products in processing). Results showed that pomaces were more potent antioxidants than juices, especially those that originated from red raspberry. The polyphenol contents in pomaces ranged from 137 to 222 mg/g, this was higher than juices that ranged from 2.75 to 8.88 mg/g, with mulberry accounting for the highest content. The main compounds in pomaces were phenolic compounds with different relative contents found by UPLC-MS/ MS. A total of 568 compounds were identified, including 238 flavonoids and 131 phenolic acids. PCA, HCA and OPLS-DA analyses were performed to find similarities on the polyphenol and metabolomic profile of the sampled berries. This analysis unveiled that all studied berries presented a significantly different polyphenol profile, on which raspberry and blackberry were the most similar. Results suggested that berry pomaces can be valuable sources of phenolic compounds of which the major components are anthocyanins and phenolic acids, with potential applications as antioxidant food additives, or raw materials for pharmaceuticals, nutraceuticals, and cosmetics.

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