Blueberry leaves from 73 different cultivars in southeastern China as nutraceutical supplements rich in antioxidants
文献类型： 外文期刊
作者： Wu, Han 1 ; Chai, Zhi 1 ; Hutabarat, Ruth Paulina 1 ; Zeng, Qilong 2 ; Niu, Liying 1 ; Li, Dajing 1 ; Yu, Hong 2 ; Huang, 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Agroprod Proc, Nanjing 210014, Jiangsu, Peoples R China
2.Inst Bot, Nanjing, Jiangsu, Peoples R China
3.Chinese Acad Sci, Nanjing 210014, Jiangsu, Peoples R China
4.Jiangsu Acad Agr Sci, Jiangsu Key Lab Hort Crop Genet Improvement, Nanjing 210014, Jiangsu, Peoples R China
5.Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Jiangsu, Peoples R China
关键词： Blueberry leaves; Different cultivars; Phenolic composition; Antioxidant activity; Correlation analysis
期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：6.475； 五年影响因子：6.508 ）
ISSN： 0963-9969
年卷期： 2019 年 122 卷
页码：
收录情况： SCI
摘要： Blueberries (Vaccinium spp.) have great beneficial effects, and their leaves are rich in phenolics. In the present study, the total phenolic, total flavonoid, and proanthocyanidin contents in the leaf extracts from 73 different blueberry cultivars among five categories were investigated. The phenolic composition was analyzed, and the antioxidants were also evaluated. Here, a total of 23 individual phenolic constituents were identified, among which eight predominant phenolics were quantified, including five caffeoylquinic acids, two quercetin glycosides, and one kaempferol glycoside. The different cultivars could be well clustered according to their phenolic compositions and antioxidant capacities. The correlations among the quantified phenolic constituents and the antioxidant capacities were determined using principal component analysis. The results indicated that blueberry leaves may be a potential resource of antioxidant phenolics, and the differences among the cultivars should be considered when blueberry leaves are further developed.
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