Polyphenol Bioaccessibility and Sugar Reducing Capacity of Black, Green, and White Teas

International Journal of Food Science
Shelly A CoeLisa Ryan

Abstract

Tea (Camellia sinensis) is a widely consumed beverage and recognised for its potential enhancing effect on human health due to its rich polyphenol content. While a number of studies have investigated the quantity and type of polyphenols present in different tea samples, no study has reported the potential effect of digestive enzymes on the availability of tea polyphenols for human absorption or the subsequent impact on glycaemic response. The objectives of the present study were to assess the total polyphenol content of different teas, to assess the bioaccessibility of polyphenols in whole and bagged teas, and to determine the effect of black, white, and green tea infusions on sugar release. All of the teas were a significant source of polyphenols (10-116 mg Gallic acid equivalents/g). There was an overall increase in the release of polyphenols from both the bagged and the whole teas following in vitro digestion. Bagged green tea significantly (P < 0.05) reduced rapidly digestible starch from white bread samples compared to control and black and white bagged teas. The present study confirms that tea is a rich source of polyphenols and highlights the potential benefits it may have on modulating glycaemic response in humans.

References

Jan 1, 1987·Cancer Genetics and Cytogenetics·A D Ferti-PassantonopoulouS A Raptis
Jul 18, 2000·Journal of Agricultural and Food Chemistry·C LakenbrinkU H Engelhardt
Nov 21, 2001·Journal of Agricultural and Food Chemistry·C AstillP T Martin
Apr 4, 2006·Journal of the American College of Nutrition·Carmen CabreraRafael Giménez
Apr 7, 2007·Annales Françaises D'anesthèsie Et De Rèanimation·M-L Cittanova, M-L Cittanova
Jul 28, 2007·Life Sciences·Naghma Khan, Hasan Mukhtar
Aug 11, 2007·Molecular Nutrition & Food Research·Rodney J GreenMario G Ferruzzi
Sep 26, 2007·American Heart Journal·Kenneth J MukamalMurray A Mittleman
Oct 5, 2007·Journal of the American College of Nutrition·Judith A BryansPeter R Ellis
Dec 11, 2007·Cancer Letters·Takashi KuzuharaHirota Fujiki
Jul 1, 2008·Plant Foods for Human Nutrition·L RyanN M O'Brien
Apr 29, 2009·Critical Reviews in Food Science and Nutrition·Vasundhara Sharma, L Jagan Mohan Rao
May 13, 2009·The British Journal of Nutrition·Ahmed Aldughpassi, Thomas M S Wolever
Jan 7, 2010·Journal of Agricultural and Food Chemistry·Lee Wah KohDejian Huang
Apr 30, 2010·Database : the Journal of Biological Databases and Curation·V NeveuA Scalbert
Dec 14, 2011·The Journal of Bone and Joint Surgery. American Volume·Matthew A NapieralaJoseph Alderete
Feb 15, 2012·Free Radical Biology & Medicine·Jingqi YanBaolu Zhao

❮ Previous
Next ❯

Citations

Feb 15, 2017·Journal of Complementary & Integrative Medicine·Bachra KhettalFadila Maiza-Benabdeslam
Jan 30, 2021·Critical Reviews in Food Science and Nutrition·Sunantha KetnawaYukiharu Ogawa
Mar 7, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Dasha MihaylovaAnna Lante
Jun 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Dasha MihaylovaArgir Zhivondov

❮ Previous
Next ❯

Software Mentioned

SPSS

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.