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Antioxidant Capacities of Hot Water Extracts and Endopolysaccharides of Selected Chinese Medicinal Fruits

School of Science and Health, University of Western Sydney, Locked Bag 1797, Penrith South DC, NSW 1797, Australia
Freshwater Bioresources Utilization Division, Nakdonggang National Institute of Biological Resources, Sangju-si 37242, Korea
Department of Nuclear Medicine, Prince of Wales Hospital, Randwick, Sydney, NSW 2031, Australia
Institute of Endocrinology and Diabetes, The Children’s Hospital at Westmead, Sydney, NSW 2145, Australia
Discipline of Paediatrics and Child Health, The Children’s Hospital at Westmead, The University of Sydney, Sydney, NSW 2145, Australia
Author to whom correspondence should be addressed.
Academic Editor: Alba Minelli
Cancers 2016, 8(3), 33;
Received: 22 December 2015 / Revised: 26 February 2016 / Accepted: 2 March 2016 / Published: 9 March 2016
(This article belongs to the Special Issue Antioxidants in Cancer)
PDF [976 KB, uploaded 9 March 2016]


Fruits are a rich source of antioxidants and traditional Chinese fruits have been studied for their chemopreventive and chemotherapeutic properties against cancers and other diseases. The total phenol and flavonoid contents of eleven Chinese fruits extracts were determined. Total phenolic and flavonoid contents were estimated by both the Folin-Ciocalteau and aluminium chloride methods. The antioxidant activities were evaluated by four assays: a biological assay using Saccharomyces cerevisiae, DPPH radical scavenging activity, chelating ability for ferrous ions and ferric reducing antioxidant power (FRAP). The phenols and flavonoids contents of the hot water extracts were in the range of 17.7 to 94.7 mg/g and 12.3 to 295.4 mg/g, whereas the endopolysaccharides lie in the range of 4.5 to 77.4 mg/g and 22.7 to 230.0 mg/g. Significant amounts of phenols and flavonoids were present in the majority of the fruit extracts and showed strong antioxidant activities. The antioxidant properties of the fruit extracts of Crataegus pinnatifida, Illicium verum, Ligustrum lucidum, Momordica grosvenori and Psoralea corylifolia as determined by the DPPH and FRAP methods, were significant compared to other fruit extracts. In the present study, we found that significant amounts of phenolic and flavonoid compounds were present in these fruit extracts and may contribute to in vitro antioxidant activities. View Full-Text
Keywords: fruits; phenols; flavonoids; polysaccharides; anti-oxidant activity fruits; phenols; flavonoids; polysaccharides; anti-oxidant activity

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Jeong, S.C.; Tulasi, R.; Koyyalamudi, S.R. Antioxidant Capacities of Hot Water Extracts and Endopolysaccharides of Selected Chinese Medicinal Fruits. Cancers 2016, 8, 33.

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