ArticleMolecules (Basel, Switzerland)2020
Coumaroyl Flavonol Glycosides and More in Marketed Green Teas: An Intrinsic Value beyond Much-Lauded Catechins.
Article in Molecules (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 28 citations in OpenAlex.
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- Antioxidants in Animal Nutrition: UHPLC-ESI-QAntioxidants (Basel, Switzerland) · 2022Article
- Beyond Traditional Use ofMolecules (Basel, Switzerland) · 2022Article
- Influence of methylxanthines isolated from Bancha green tea on the pharmacokinetics of sildenafil in rats.Daru : journal of Faculty of Pharmacy, Tehran University of Medical Sciences · 2022Article
- UHPLC-HRMS Analysis ofAntioxidants (Basel, Switzerland) · 2021Article
- Chemical Fractionation Joint to In-Mixture NMR Analysis for Avoiding the Hepatotoxicity ofBiomolecules · 2021Article
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- Metabolite Profiling ofInternational journal of molecular sciences · 2020Article
- Polyphenols vs. Coronaviruses: How Far Has Research Moved Forward?Molecules (Basel, Switzerland) · 2020Review
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Marketed green teas (GTs) can highly vary in their chemical composition, due to different origins, processing methods, and a lack of standardization of GT-based products. Consequently, biological activities become difficult to correlate to the presence/content of certain constituents. Herein, ultra-high-performance liquid chromatography (UHPLC) combined with high-resolution tandem mass spectrometry (HR MS/MS) was successfully applied to six commercial GT products, extracted by ethanol sonication, to disclose their polyphenol profile beyond the well-known catechins. The relative abundance of each class of metabolites was correlated to antiradical and antilipoperoxidant data through hierarchical clustering analysis, since it reasonably affects the beneficial properties of the product that reaches the consumer. The thiobarbituric acid reactive substances (TBARS) assay demonstrated that GT extracts effectively counteracted the UV-induced lipoperoxidation of hemp oil, which is highly rich in Polyunsaturated Fatty Acids (PUFAs), and therefore highly unstable. The Relative Antioxidant Capacity Index (RACI) comprehensively emphasized that gunpower and blend in filter GTs appeared to be the less active matrices, and except for a GT-based supplement, the Sencha GT, which was particularly rich in flavonol glycosides, was the most active, followed by Bancha GT.
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Registered trials
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