Recent advances in chemical characterization, emerging applications, and biological activities of tea polysaccharides and their conjugates from leaves and flowers: A review.

Journal article

Rashwan, Ahmed K, El-Shiekh, Riham A, Bassiony, Abdelkader, Abdelshafy, Asem M, Osman, Ahmed I, Younis, Hala A, Zhou, Fanrui, Gherbawy, Youssuf A, El-Seedi, Hesham R, Shi, Jiang and Chen, Wei 2025. Recent advances in chemical characterization, emerging applications, and biological activities of tea polysaccharides and their conjugates from leaves and flowers: A review. International Journal of Biological Macromolecules. 328 (Pt 2), p. 147540. https://doi.org/10.1016/j.ijbiomac.2025.147540
AuthorsRashwan, Ahmed K, El-Shiekh, Riham A, Bassiony, Abdelkader, Abdelshafy, Asem M, Osman, Ahmed I, Younis, Hala A, Zhou, Fanrui, Gherbawy, Youssuf A, El-Seedi, Hesham R, Shi, Jiang and Chen, Wei
AbstractTea (Camellia sinensis) polysaccharides (TPS) and tea polysaccharide conjugates (TPC) are bioactive compounds found in tea leaves and flowers, attracting growing interest for their biological activities and emerging applications in food, pharmaceuticals, and cosmetics. Despite substantial progress in tea polyphenol research, studies focusing on TPS and TPC are still relatively underrepresented. This review fills a gap in the literature by summarizing the latest advancements in the extraction, characterization, and biological effects of TPS and TPC. The review emphasizes the antioxidant, anti-inflammatory, anti-tumor, and hypoglycemic activities of TPS and TPC, as well as their role in modulating gut microbiota. It also highlights the potential of TPS and TPC in enhancing the texture, flavor, and stability of food products, in addition to its use in skincare for anti-aging and wound healing. The findings indicate that TPS and TPC exhibit significant variability in bioactivity based on tea type, extraction method, and molecular weight. Based on available evidence, TPS and TPC exhibits pronounced biological activities, especially antioxidants, antidiabetic, and anticancer properties. Importantly, TPS and TPC present promising applications in encapsulation and drug delivery systems, contributing to their growing industrial appeal. The novelty of this work lies in its comprehensive overview of the diverse roles of TPS and TPC, which are gaining attention for their functional versatility. This review offers valuable insights for researchers and industry professionals seeking to harness the full potential of TPS in various sectors. [Abstract copyright: Copyright © 2025 The Authors. Published by Elsevier B.V. All rights reserved.]
KeywordsTea flowers; Emerging applications; Tea polysaccharides; Tea leaves; Polysaccharide conjugates; Biological activities
Year2025
JournalInternational Journal of Biological Macromolecules
Journal citation328 (Pt 2), p. 147540
PublisherElsevier
ISSN1879-0003
Digital Object Identifier (DOI)https://doi.org/10.1016/j.ijbiomac.2025.147540
Official URLhttps://www.sciencedirect.com/science/article/pii/S0141813025080973?via%3Dihub
Publication dates
Online08 Sep 2025
Publication process dates
Accepted07 Sep 2025
Deposited24 Sep 2025
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Open
Output statusPublished
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