scholarly journals Green tea extract and black tea extract differentially influence cecal levels of short-chain fatty acids in rats

2018 ◽  
Vol 6 (4) ◽  
pp. 728-735 ◽  
Author(s):  
Tomonori Unno ◽  
Naomi Osakabe
Keyword(s):  
Fatty Acids ◽  
Green Tea ◽  
Black Tea ◽  
Short Chain Fatty Acids ◽  
Green Tea Extract ◽  
Short Chain ◽  
Black Tea Extract ◽  
Tea Extract ◽  
Chain Fatty Acids

Effect of different doses of un-fractionated green and black tea extracts on thyroid physiology

2010 ◽  
Vol 30 (8) ◽  
pp. 884-896 ◽  
Author(s):  
Amar K Chandra ◽  
Neela De ◽  
Shyamosree Roy Choudhury
Keyword(s):  
Thyroid Gland ◽  
Green Tea ◽  
Harmful Effect ◽  
Black Tea ◽  
Green Tea Extract ◽  
Male Rats ◽  
Thyroid Peroxidase ◽  
Black Tea Extract ◽  
Green And Black Tea ◽  
Tea Extract

Tea is a rich source of polyphenolic flavonoids including catechins, which are thought to contribute to the health benefits of it. Flavonoids have been reported to have antithyroid and goitrogenic effect. The purpose of this study was to evaluate whether high doses of green and black tea have a harmful effect on thyroid physiology. Un-fractionated green and black tea extracts were administered orally to male rats for 30 days at doses of 1.25 g%, 2.5 g% and 5.0 g%. The results showed that green tea extract at 2.5 g% and 5.0 g% doses and black tea extract only at 5.0 g% dose have the potential to alter the thyroid gland physiology and architecture, that is, enlargement of thyroid gland as well as hypertrophy and/or hyperplasia of the thyroid follicles and inhibition of the activity of thyroid peroxidase and 5′-deiodinase I with elevated thyroidal Na+, K+-ATPase activity along with significant decrease in serum T3 and T4, and a parallel increase in serum thyroid stimulating hormone (TSH). This study concludes that goitrogenic/antithyroidal potential of un-fractionated green tea extract is much more than black tea extract because of the differences in catechin contents in the tea extracts.

Black tea increases hypertonic stress resistance in C. elegans

2018 ◽  
Vol 9 (7) ◽  
pp. 3798-3806 ◽  
Author(s):  
Pei Yuan ◽  
Lian-yun Pan ◽  
Li-gui Xiong ◽  
Jie-wen Tong ◽  
Juan Li ◽  
...  
Keyword(s):  
Green Tea ◽  
Stress Resistance ◽  
Black Tea ◽  
Green Tea Extract ◽  
Hypertonic Stress ◽  
C Elegans ◽  
Black Tea Extract ◽  
Tea Extract

Black tea extract is more effective than green tea extract in protecting C. elegans against hypertonic stress, within the studied concentration range.

Comparative Safety Evaluation of Chinese Pu-erh Green Tea Extract and Pu-erh Black Tea Extract in Wistar Rats

2010 ◽  
Vol 58 (2) ◽  
pp. 1350-1358 ◽  
Author(s):  
Di Wang ◽  
Rong Xiao ◽  
Xueting Hu ◽  
Kunlong Xu ◽  
Yan Hou ◽  
...  
Keyword(s):  
Green Tea ◽  
Wistar Rats ◽  
Safety Evaluation ◽  
Black Tea ◽  
Green Tea Extract ◽  
Black Tea Extract ◽  
Comparative Safety ◽  
Tea Extract

scholarly journals Uji Pendahuluan Anti-biofilm Esktrak Teh Hijau dan Teh Hitam Pada Streptococcus mutans melalui Metode Microtiter Plate

2018 ◽  
Vol 4 (1) ◽  
pp. 44-49
Author(s):  
Andi Arjuna ◽  
Winda Setya Pratama ◽  
Sartini Sartini ◽  
Mufidah Mufidah
Keyword(s):  
Streptococcus Mutans ◽  
Green Tea ◽  
Black Tea ◽  
Microtiter Plate ◽  
Green Tea Extract ◽  
Biofilm Growth ◽  
Microtiter Plate Assay ◽  
Black Tea Extract ◽  
Green And Black Tea ◽  
Tea Extract

Tea (Camellia sinensis L.) has an activity as an antibacterial, widely studied to plankton cells, without further researching into biofilm cell. Therefore, this research had been conducted to initially evaluate the activity of green- and black-tea extracts in inhibiting Streptococcus mutans biofilm. Green and black tea leaves were extracted using 70% methanol. Determination of MIC was subsequently performed by microdilution method. Next, the biofilm formation and inhibition were run through microtiter plate method using flexible U-bottom PVC 96 wells, which then observed using microplate reader on λ = 515 nm. As The results, MIC for green and black tea extract stood at 4 mg/mL, 6 mg/mL respectively. The biofilm inhibitory activity of black tea extract was at 8 and 10 mg/mL inhibiting 6 % and 12.5 % S. mutans. Green tea extract showed that concentration of 4 to 10 mg/mL was able to inhibit biofilm growth by 24%; 45%; 48% and 53%. Thus, through microtiter plate assay, it could be concluded that tea extract has potent antibiofilm to S. mutans, where green tea extract has better activity than black tea extract.

Effect of short-chain fatty acids on the ethylene pathway in embryonic axes of Cicer arietinum during germination

1994 ◽  
Vol 92 (4) ◽  
pp. 629-635 ◽  
Author(s):  
Mercedes Gallardo ◽  
Paloma Munoz De Rueda ◽  
Angel Jesus Matilla ◽  
Isabel Maria Sanchez-Calle
Keyword(s):  
Fatty Acids ◽  
Cicer Arietinum ◽  
Short Chain Fatty Acids ◽  
Short Chain ◽  
Embryonic Axes ◽  
Chain Fatty Acids

Short-Chain Fatty Acids Prevent Diabetic Nephropathy In Vivo and In Vitro

Diabetes ◽  
2018 ◽  
Vol 67 (Supplement 1) ◽  
pp. 92-OR ◽  
Author(s):  
WEI HUANG ◽  
YONG XU ◽  
YOUHUA XU ◽  
LUPING ZHOU ◽  
CHENLIN GAO
Keyword(s):  
Fatty Acids ◽  
Diabetic Nephropathy ◽  
Short Chain Fatty Acids ◽  
Short Chain ◽  
Chain Fatty Acids

1898-P: Colonic Short-Chain Fatty Acids Lower Endogenous Glucose Production

Diabetes ◽  
2020 ◽  
Vol 69 (Supplement 1) ◽  
pp. 1898-P
Author(s):  
ADELINA I.L. LANE ◽  
SAVANNA N. WENINGER ◽  
FRANK DUCA
Keyword(s):  
Fatty Acids ◽  
Glucose Production ◽  
Short Chain Fatty Acids ◽  
Endogenous Glucose Production ◽  
Short Chain ◽  
Endogenous Glucose ◽  
Chain Fatty Acids

Concentrations and Correlations of Faecal Short-chain Fatty Acids and Faecal Water Content in Man

1994 ◽  
Vol 7 (6) ◽  
Author(s):  
U. Siigur ◽  
K. E. Norin ◽  
G. Allgood ◽  
T. Schlagheck ◽  
Tore Midtvedt
Keyword(s):  
Fatty Acids ◽  
Water Content ◽  
Short Chain Fatty Acids ◽  
Short Chain ◽  
Chain Fatty Acids
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