black tea polyphenols
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2020 ◽  
Vol 68 (12) ◽  
pp. 1131-1142
Author(s):  
Takashi Tanaka ◽  
Yosuke Matsuo

Phytomedicine ◽  
2020 ◽  
pp. 153286 ◽  
Author(s):  
Susmit Mhatre ◽  
Tishya Srivastava ◽  
Shivraj Naik ◽  
Vandana Patravale

2019 ◽  
Vol 29 ◽  
pp. 55-61 ◽  
Author(s):  
Hua Zhang ◽  
Ruili Qi ◽  
Yoshinori Mine

2019 ◽  
Vol 71 (3) ◽  
pp. 508-523 ◽  
Author(s):  
Rasika R. Hudlikar ◽  
Venkatesh Pai ◽  
Rajiv Kumar ◽  
Rahul A. Thorat ◽  
Sadhana Kannan ◽  
...  

Polyphenols ◽  
2018 ◽  
Author(s):  
Ali Imran ◽  
Muhammad Umair Arshad ◽  
Sana Mehmood ◽  
Rabia Shabir Ahmed ◽  
Masood Sadiq Butt ◽  
...  

BIOCELL ◽  
2018 ◽  
Vol 42 (3) ◽  
pp. 99-104 ◽  
Author(s):  
Jie ZHONG ◽  
Li DENG ◽  
Yu JIANG ◽  
Lianhong ZOU ◽  
Huabing YUAN ◽  
...  

2017 ◽  
Vol 57 (8) ◽  
pp. 2759-2769 ◽  
Author(s):  
Susanne M. Henning ◽  
Jieping Yang ◽  
Mark Hsu ◽  
Ru-Po Lee ◽  
Emma M. Grojean ◽  
...  

Molecules ◽  
2016 ◽  
Vol 21 (12) ◽  
pp. 1659 ◽  
Author(s):  
Haibo Pan ◽  
Ying Gao ◽  
Youying Tu

2016 ◽  
Vol 11 (2) ◽  
pp. 1934578X1601100
Author(s):  
Yan Li ◽  
Yosuke Matsuo ◽  
Yoshinori Saito ◽  
Takashi Tanaka

During chemical studies on uncharacterized black tea polyphenols, the enzymatic oxidation of a mixture of epigallocatechin-3- O-gallate (1) and epicatechin-3- O-gallate (2) was examined, and three new dimeric products together with six known catechin dimers were isolated. Two of the new compounds have tricyclo[5.2.2.02,6]undecane and tricyclo[5.2.1.02,6]decane carboxyl structures generated by oxidative coupling between two pyrogallol-B-rings of 1. Another new product was a dimer connected by a C-C bond between the B-ring of 1 and a galloyl group of 2.


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