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Longan (Dimocarpus longan Lour.), as an edible fruit and traditional Chinese medicine, has been consumed for thousands of years. Longan pulp has abundant nutritional phytochemicals such as protein, carbohydrate, vitamin C, polysaccharides, polyphenols, which shows multiple biological activities including antioxidant, immunomodulatory and antitumor effects. Longan pericarp also demonstrates biological activities because of its rich content of polysaccharides and polyphenols. This review summarizes the bioactive compounds and bioactivities of longan pulp and aims to provide comprehensive information for future development of longan as a functional health food.


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Phytochemical constituents and biological activities of longan (Dimocarpus longan Lour.) fruit: a review

Show Author's information Xiaofang ZhangbSen Guoa,bChi-Tang Hoc( )Naisheng Baia( )
College of Food Science and Technology, Northwest University, 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
College of Chemical Engineering, Department of Pharmaceutical Engineering, Northwest University, 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
Department of Food Science, Rutgers University, New Brunswick, NJ, 08901, USA

Peer review under responsibility of KeAi Communications Co., Ltd.

Abstract

Longan (Dimocarpus longan Lour.), as an edible fruit and traditional Chinese medicine, has been consumed for thousands of years. Longan pulp has abundant nutritional phytochemicals such as protein, carbohydrate, vitamin C, polysaccharides, polyphenols, which shows multiple biological activities including antioxidant, immunomodulatory and antitumor effects. Longan pericarp also demonstrates biological activities because of its rich content of polysaccharides and polyphenols. This review summarizes the bioactive compounds and bioactivities of longan pulp and aims to provide comprehensive information for future development of longan as a functional health food.

Keywords: Polyphenols, Bioactivities, Polysaccharides, Dimocarpus longan Lour., Flavonoids

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Received: 28 January 2020
Revised: 08 March 2020
Accepted: 11 March 2020
Published: 20 April 2020
Issue date: June 2020

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This project was supported by the National Natural Science Foundation of China (No. 31570348).

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