期刊
JOURNAL OF FUNCTIONAL FOODS
卷 30, 期 -, 页码 194-202出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jff.2017.01.018
关键词
Actinidia arguta; LC-PDA-QTof/MS; UPLC-PDA-FL; Polyphenols; Antioxidant capacity; Antidiabetic activity
资金
- Wroclaw Centre of Biotechnology, programme The Leading National Research Centre (KNOW)
The aim of the study was to analyse potential health-promoting components of Actinidia species fruits, especially those of A. arguta. Polyphenols were identified by LC-PDA-QTof/MS and quantified by UPLCPDA-FL. Moreover, sugar and acid profile, antioxidant capacity (ABTS(center dot+), FRAP) and in vitro antidiabetic potential (inhibition of alpha-amylase and alpha-glucosidase) were evaluated. Phytochemical profiling of Actinidia fruits revealed a wide range of bioactive phenolics and basic chemical properties were significantly cultivar and species dependent. A total of 24 polyphenolic compounds were identified, and they content ranged from 2443.30 ('Jumbo') to 6679.18 ('Ananasnaja') mg/100 g of dry weight (dw). 'Ananasnaja' and 'Issai' cvs. presented high ABTS(center dot+) and FRAP capacity, respectively. Inhibition of antidiabetic enzymes was significant in the fruits of 'Genewa, 'Weiki, and 'Issai'. Additionally, the fruits of all Actinidia species were found to be rich in vitamin C (76.09-282.56 mg/100 g), pectins (2.17-3.30%), ash (0.62-0.94%), and organic acids (16.32-22.14 g/100 g). (C) 2017 Elsevier Ltd. All rights reserved.
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