Results 41 to 50 of about 390,860 (389)

Foliar N Application on Tea Plant at Its Dormancy Stage Increases the N Concentration of Mature Leaves and Improves the Quality and Yield of Spring Tea

open access: yesFrontiers in Plant Science, 2021
Over 30% of the Chinese tea plantation is supplied with excess fertilizer, especially nitrogen (N) fertilizer. Whether or not foliar N application on tea plants at the dormancy stage could improve the quality of spring tea and be a complementary strategy
Mei-Ya Liu   +11 more
doaj   +1 more source

The Efficacy of Administering Fruit-Derived Polyphenols to Improve Health Biomarkers, Exercise Performance and Related Physiological Responses [PDF]

open access: yes, 2019
open access articlePolyphenols are secondary metabolites involved in a myriad of critical processes in plants. Over recent decades, special attention has been paid to the anti-oxidative role of fruit-derived polyphenols in the human diet, with evidence ...
Bailey, Stephen   +4 more
core   +1 more source

Polyphenols and Sunburn [PDF]

open access: yesInternational Journal of Molecular Sciences, 2016
Polyphenols are antioxidant molecules found in many foods such as green tea, chocolate, grape seeds, and wine. Polyphenols have antioxidant, anti-inflammatory, and antineoplastic properties. Growing evidence suggests that polyphenols may be used for the prevention of sunburns as polyphenols decrease the damaging effects of ultraviolet A (UVA) and ...
Suzana Saric, Raja Sivamani
openaire   +4 more sources

Decrypting bacterial polyphenol metabolism in an anoxic wetland soil

open access: yesNature Communications, 2021
Microorganisms play vital roles in modulating organic matter decomposition and nutrient cycling in soil ecosystems. The enzyme latch paradigm posits microbial degradation of polyphenols is hindered in anoxic peat leading to polyphenol accumulation, and ...
Bridget B. McGivern   +12 more
semanticscholar   +1 more source

Method for the simultaneous determination of total polyphenol and anthocyan indexes in red wines using a flow injection approach [PDF]

open access: yes, 2002
A simultaneous and fast method for the determination of total polyphenol index (t.p.i.) and total anthocyan index (t.a.i.) has been developed by a flow injection approach and a diode array spectrophotometer for monitoring at 280 nm and 520 nm ...
Gonzalez-Rodriguez, Jose   +2 more
core   +1 more source

Antioxidant Activities and Characterization of Polyphenols from Selected Northern Thai Rice Husks: Relation with Seed Attributes

open access: yesRice Science, 2023
Rice production generates a significant amount of agricultural waste. This study aimed to give results related to the existence of antioxidant phenols in agricultural waste of selected Northern Thai rice varieties. The antioxidant activities, contents of
Jiratchaya Wisetkomolmat   +9 more
doaj   +1 more source

Benefits of dietary polyphenols in Alzheimer’s disease

open access: yesFrontiers in Aging Neuroscience, 2022
Alzheimer′s disease (AD) is an irreversible progressive neurodegenerative disease affecting approximately 50 million people worldwide. It is estimated to reach 152 million by the year 2050.
Farida El Gaamouch   +10 more
doaj   +1 more source

Combination therapy of cisplatin and resveratrol to induce cellular aging in gastric cancer cells: Focusing on oxidative stress, and cell cycle arrest

open access: yesFrontiers in Pharmacology, 2023
Background: As a medical dilemma, gastric cancer will have 7.3 million new cases in 2040. Despite the disease’s high economic and global burden, conventional chemotherapy regimens containing cisplatin have insufficient effectiveness and act non ...
Mahban Rahimifard   +5 more
doaj   +1 more source

Systematic Review on Polyphenol Intake and Health Outcomes: Is there Sufficient Evidence to Define a Health-Promoting Polyphenol-Rich Dietary Pattern?

open access: yesNutrients, 2019
Growing evidence support association between polyphenol intake and reduced risk for chronic diseases, even if there is a broad debate about the effective amount of polyphenols able to exert such protective effect.
Cristian Del Bo’   +13 more
semanticscholar   +1 more source

Anti-Obesity Effects of Polyphenol Intake: Current Status and Future Possibilities

open access: yesInternational Journal of Molecular Sciences, 2020
The prevalence of obesity has steadily increased worldwide over the past three decades. The conventional approaches to prevent or treat this syndrome and its associated complications include a balanced diet, an increase energy expenditure, and lifestyle ...
M. Boccellino, S. D’Angelo
semanticscholar   +1 more source

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