Green tea catechins during food processing and storage: A review on stability and detection
TLDR
In this paper, a pseudo first-order kinetic model has been developed and validated for the epimerization and degradation of tea catechins in several food systems, whereas the rate constant of reaction kinetics followed Arrhenius equation.About:
This article is published in Food Research International.The article was published on 2013-03-01 and is currently open access. It has received 284 citations till now. The article focuses on the topics: Catechin.read more
Citations
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Assessment of the stability of catechin-enriched extracts obtained from Arbutus unedo L. fruits: Kinetic mathematical modeling of pH and temperature properties on powder and solution systems
Bianca R. Albuquerque,Miguel A. Prieto,Miguel A. Prieto,Lillian Barros,Isabel C.F.R. Ferreira +4 more
TL;DR: In this article, the authors performed physical and chemical stability studies of A. unedo L. (strawberry-tree) fruits and provided useful information for the potential industrial use of these fruits as alternative sources of flavan-3-ols; and the shelf-life calculations and catechin loss predictions at specific conditions of temperature and pH.
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Electrochemical preparation and characterization of a gold nanoparticles graphite electrode: Application to myricetin antioxidant analysis
TL;DR: Electrochemical improvements by electro-deposition with gold nanoparticles (AuNPs) improved the heterogeneous electron transfer rate and electron transfer resistance of the fabricated electrode, and the effective surface area has increased by 2 fold.
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Maltodextrin encapsulation improves thermal and pH stability of green tea extract catechins
Aimara V. De La Cruz-Molina,Jesus F. Ayala Zavala,Ariadna T. Bernal Mercado,Manuel R. Cruz Valenzuela,Gustavo A. González-Aguilar,Jaime Lizardi-Mendoza,Francisco Brown-Bojorquez,Brenda A. Silva-Espinoza +7 more
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Transport of gallocatechin gallate and catechin gallate in high-temperature-processed green tea extract from gastrointestinal tract to brain by an in vitro bio-mimic model system coupled with sequential cell cultures
TL;DR: Results suggest that GCG, CG and their metabolites in HTP-GTE are capable of reaching the brain by oral intake of HTP_GTE, implying that HTP___GTE could be utilized as a natural functional material for the prevention of degenerative brain diseases.
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Comprehensive NMR analysis of two kinds of post-fermented tea and their anti-glycation activities in vitro
Mimin Zhang,Kenichiro Otake,Yumiko Miyauchi,Masayuki Yagi,Yoshikazu Yonei,Takuya Miyakawa,Masaru Tanokura +6 more
TL;DR: Results showed that post-fermentation with LAB was an efficient way to enhance phenol content and that pyrogallol contributed to anti-glycation activity of Awaban tea.
References
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Tea catechins and polyphenols: health effects, metabolism, and antioxidant functions.
Jane V. Higdon,Balz Frei +1 more
TL;DR: The effects of tea and green tea catechins on biomarker of oxidative stress, especially oxidative DNA damage, appear very promising in animal models, but data on biomarkers of in vivo oxidative stress in humans are limited.
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Polyphenolic Flavanols as Scavengers of Aqueous Phase Radicals and as Chain-Breaking Antioxidants
N. Salah,Nicholas J. Miller,George Paganga,Lilian B. M. Tijburg,G.P. Bolwell,Catherine Rice-Evans +5 more
TL;DR: Against propagating lipid peroxyl radical species, epicatechin and catechin are as effective as ECG and EGCG, the least efficacious being EGC and GA.
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Lipid Oxidation in Oil-in-Water Emulsions: Impact of Molecular Environment on Chemical Reactions in Heterogeneous Food Systems
TL;DR: In this article, the authors reviewed the current understanding of the lipid oxidation mechanism in oil-in-water emulsions and discussed the major factors that influence the rate of lipid oxidation, such as antioxidants, chelating agents, ingredient purity, ingredient partitioning, interfacial characteristics, droplet characteristics, and ingredient interactions.
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Tea polyphenols for health promotion
Naghma Khan,Hasan Mukhtar +1 more
TL;DR: In vitro and animal studies provide strong evidence that polyphenols derived from tea may possess the bioactivity to affect the pathogenesis of several chronic diseases.
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Green tea and its polyphenolic catechins: medicinal uses in cancer and noncancer applications.
TL;DR: Dose-related differences in the effects of EGCG in cancer versus neurodegenerative and cardiovascular diseases, as well as discrepancies between doses used in in vitro studies and achievable plasma understanding of the in vivo effects of green tea catechins in humans, are summarized.