Results 31 to 40 of about 199,677 (305)

Effects of polyphenol supplementations on improving depression, anxiety and quality of life in patients with depression

open access: yes, 2021
Background: Increased prevalence of mental disorders has become a significant public health concern. Recent studies have linked nutrition to depression and anxiety, suggesting that dietary changes or nutritional supplementation may be beneficial in ...
Wendt, Lauren   +4 more
core   +1 more source

Advanced structural characterization of condensed tannin evolution markers in long-aged red wines under different closure oxygen permeabilities

open access: yesCurrent Research in Food Science
Understanding the long-term evolution of condensed tannins (CTs) in wine remains challenging due to the molecular complexity of aged wines. In this study, an advanced analytical workflow combining tannin-fraction isolation, thioglycolysis, UHPLC–UHRMS ...
Lantomalala Elsa Razafindrabenja   +8 more
doaj   +1 more source

Dietary Anti-Aging Polyphenols and Potential Mechanisms

open access: yesAntioxidants, 2021
For years, the consumption of a diet rich in fruits and vegetables has been considered healthy, increasing longevity, and decreasing morbidities. With the assistance of basic research investigating the potential mechanisms, it has become clear that the ...
Jing Luo   +3 more
doaj   +1 more source

Sustainable Fertilization with Ramial Chipped Wood Enhances Antioxidant Profiles in Tomato Varieties: An Untargeted Metabolomics Approach

open access: yesAntioxidants
Tomatoes are among the most consumed vegetables within the Mediterranean diet, recognized as one of the healthiest dietary patterns in the world. This study evaluated the effects of four fertilization treatments on the antioxidant and metabolic profiles ...
Mohamed M. Abuhabib   +8 more
doaj   +1 more source

Polyphenol contents and DPPH-radical scavenging activities of Teas from Hasu (Nelumbo nucifera Gaertn.) [PDF]

open access: yes, 2005
P(論文)蓮を用いた茶についてのポリフェノール含量や抗酸化能についての報告例がないので、それらについて調べた。1.蓮芯茶のポリフェノール量は少なかったが、蓮花茶と蓮茶のそれは静岡煎茶のそれよりも多かった。2.DPPHラジカル消去能は、蓮花茶と蓮茶が高く、ポリフェノール含量との問に正の相関があった。3.総カテキン量は、蓮花茶や蓮茶よりウーロン茶や静岡煎茶の方が多かった。4.蓮花茶や蓮茶には、DPPHラジカル消去能に寄与するカテキン類以外の成分の関与が推察され、その1つにクロロゲン酸類の存在が指摘された ...
12170   +17 more
core  

Polyphenol-Mediated Synthesis of Mesoporous Au–In2O3 Nanospheres for Room-Temperature Detection of Triethylamine

open access: yes, 2022
Semiconductor metal oxide gas sensors have been frequently used for gas monitoring and detection in different applications. However, the working temperature is usually high (>150 °C), which requires an additional heater and results in high energy ...
Yue Wu (1262184)   +6 more
core   +1 more source

In silico and in vitro exploration of a tyrosinase for biocatalytic production of catechols

open access: yesFEBS Open Bio, EarlyView.
Tyrosinase from Ralstonia pseudosolanacearum is a promising biocatalyst for producing valuable catechols from monophenol substrates. This tyrosinase is uniquely suited to this due to its high monophenolase : diphenolase ratio. We combined in silico docking and in vivo kinetic characterisation of this tyrosinase with 11 industrially relevant monophenols,
James Britton   +6 more
wiley   +1 more source

Total polyphenol content and minimum inhibitory concentration of pomegranate (Punica granatum Linn) extracts against oral microorganisms [PDF]

open access: yesStomatološki glasnik Srbije, 2013
Introduction. The prevalence of dental diseases in India is increasing. Antibiotic resistance exhibited by microbes has paved way for alternative therapy such as phytotherapy.
Janani J., Lydia Esther D.
doaj   +1 more source

Attenuating Colorectal Cancer Using Nine Cultivars of Australian Lupin Seeds: Apoptosis Induction Triggered by Mitochondrial Reactive Oxygen Species Generation and Caspases-3/7 Activation

open access: yesCells, 2023
As Australian lupin cultivars are rich sources of polyphenols, dietary fibers, high-quality proteins, and abundant bioactive compounds with significant antioxidant, antidiabetic, and anticancer activities, this research work is aimed at investigating the
Kishor Mazumder   +5 more
doaj   +1 more source

Composites of Shellac and Silver Nanowires as Flexible, Biobased, and Corrosion‐Resistant Transparent Conductive Electrodes

open access: yesAdvanced Functional Materials, EarlyView.
Shellac, a centuries‐old natural resin, is reimagined as a green material for flexible electronics. When combined with silver nanowires, shellac films deliver transparency, conductivity, and stability against humidity. These results position shellac as a sustainable alternative to synthetic polymers for transparent conductors in next‐generation ...
Rahaf Nafez Hussein   +4 more
wiley   +1 more source

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