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Molecules 2018, 23(9), 2346;

Bioavailability of Tea Catechins and Its Improvement

Tea Research Institute, Zhejiang University, Hangzhou 310058, China
Intellectual Property Office of Lanshan District, Rizhao 543003, China
National Tea and Tea Product Quality Supervision and Inspection Center (Guizhou), Zunyi 563100, China
Ningbo Extension Station of Forestry & Speciality Technology, Ningbo 315012, China
Authors to whom correspondence should be addressed.
Received: 3 August 2018 / Revised: 2 September 2018 / Accepted: 12 September 2018 / Published: 13 September 2018
(This article belongs to the Special Issue EGCG, Green Tea and Polyphenols)
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Many in vitro studies have shown that tea catechins had vevarious health beneficial effects. However, inconsistent results between in vitro and in vivo studies or between laboratory tests and epidemical studies are observed. Low bioavailability of tea catechins was an important factor leading to these inconsistencies. Research advances in bioavailability studies involving absorption and metabolic biotransformation of tea catechins were reviewed in the present paper. Related techniques for improving their bioavailability such as nanostructure-based drug delivery system, molecular modification, and co-administration of catechins with other bioactives were also discussed. View Full-Text
Keywords: Camellia sinensis; catechins; bioavailability; nanoparticle; interaction Camellia sinensis; catechins; bioavailability; nanoparticle; interaction

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Cai, Z.-Y.; Li, X.-M.; Liang, J.-P.; Xiang, L.-P.; Wang, K.-R.; Shi, Y.-L.; Yang, R.; Shi, M.; Ye, J.-H.; Lu, J.-L.; Zheng, X.-Q.; Liang, Y.-R. Bioavailability of Tea Catechins and Its Improvement. Molecules 2018, 23, 2346.

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