Results 51 to 60 of about 4,426,970 (333)

Polyphenols as Suitable control for Obesity and Diabetes [PDF]

open access: yes, 2018
Modern life is characterized by physical inactivity and poor food choices, which is often a prerequisite for unhealthy weight gain and overweight/obesity.
Alexieva, Iordanka   +4 more
core   +1 more source

Research Progress in Biotransformation and Biological Activity of Polyphenols in Plant-Based Foods [PDF]

open access: yesShipin Kexue
Polyphenols are important secondary metabolites in plants, which have health benefits such as antioxidant, anti-inflammatory and anticancer effects. However, most polyphenols have low bioavailability after entering the gut.
LIN Dengfan, ZHENG Zhihao, ZHOU Yingjun, GONG Wenbing, ZHU Zuohua, YAN Li, HU Zhenxiu, PENG Yuande, XIE Chunliang
doaj   +1 more source

Screening the effect of four ultrasound-assisted extraction parameters on hesperidin and phenolic acid content of aqueous citrus pomace extracts [PDF]

open access: yes, 2018
Polyphenols of citrus by-products, due to their antioxidant and antimicrobial activities, could be valorized by pharmaceutical and food industries, adding a value to the citrus processing companies.
Bowyer, Michael C.   +6 more
core   +2 more sources

Anti-Inflammatory activity of a polyphenolic extract from Arabidopsis thaliana in in vitro and in vivo models of Alzheimer's Disease [PDF]

open access: yes, 2019
Alzheimer's disease (AD) is the most common neurodegenerative disorder and the primary form of dementia in the elderly. One of the main features of AD is the increase in amyloid-beta (Aβ) peptide production and aggregation, leading to oxidative stress ...
Casale, Assunta Maria   +10 more
core   +1 more source

Polyphenol-Hydroxylating Tyrosinase Activity under Acidic pH Enables Efficient Synthesis of Plant Catechols and Gallols

open access: yesMicroorganisms, 2021
Tyrosinase is generally known as a melanin-forming enzyme, facilitating monooxygenation of phenols, oxidation of catechols into quinones, and finally generating biological melanin.
Hanbit Song   +6 more
doaj   +1 more source

Betalains and phenolic compounds of leaves and stems of Alternanthera brasiliana and Alternanthera tenella [PDF]

open access: yes, 2018
Betacyanins and phenolic compounds from acetonitrile:acidified water extracts of Alternanthera brasiliana and Alternanthera tenella were characterized and quantified using a high-performance liquid chromatography system coupled with diode array and ...
Alvarez, I.   +5 more
core   +1 more source

Plant Based Polyphenol Associations with Protein: A Prospective Review

open access: yesBioResources, 2022
This review discusses the classes of plant polyphenols along with their binding mechanisms with protein molecules. Generally, polyphenols bind in covalent and non-covalent orientations with protein molecules. Their addition to the protein usually results
Diana Tazeddinova   +5 more
doaj   +2 more sources

Optimizing a sustainable ultrasound assisted extraction method for the recovery of polyphenols from lemon by-products:comparison with hot water and organic solvent extractions [PDF]

open access: yes, 2018
Response surface methodology (RSM) based on a three-factor and three-level Box–Behnken design was employed for optimizing the aqueous ultrasound-assisted extraction (AUAE) conditions, including extraction time (35–45 min), extraction temperature (45–55 ...
Bowyer, Michael C.   +6 more
core   +2 more sources

Special Issue: From Natural Polyphenols to Synthetic Bioactive Analogues

open access: yesMolecules, 2020
In recent years, phenolic compounds from plant sources, commonly referred to as ‘plant polyphenols’, have been the subject of an impressive number of research studies, to a large extent focused on the healthy properties attributed to diet polyphenols ...
Corrado Tringali
doaj   +1 more source

Decomposition and nutrient release of leguminous plants in coffee agroforestry systems. [PDF]

open access: yes, 2011
Leguminous plants used as green manure are an important nutrient source for coffee plantations, especially for soils with low nutrient levels.
ANDERSON J.D.   +37 more
core   +4 more sources

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