Articles tagged with Polyphenols
A large prospective cohort study found that consuming 2-3 cups of caffeinated coffee daily or 1-2 cups of tea daily reduced dementia risk, slowed cognitive decline, and preserved cognitive function. Caffeine was identified as the active factor producing these neuroprotective results.
A new scientific review summarizes 12 human clinical trials on the cardiometabolic effects of wild blueberries, finding improvements in blood vessel function and beneficial changes to the gut microbiome. Regular consumption of one cup per day may support overall health benefits.
ElderCraft, a standardized polyphenol extract from Austrian elderberries, is now available for free to qualified researchers worldwide. This initiative aims to reduce study-to-study variability and enable stronger meta-analyses in polyphenol science.
Researchers discover epicatechin gallate, a compound from maple, can prevent biofilm formation of Streptococcus mutans, causing dental caries. The compound may be used in safer alternative mouthwashes for young children.
Polyphenols are multifunctional agents with anti-inflammatory, antioxidant, microbiota-modulating, and neuroprotective properties. The Polyphenols Applications 2025 congress explores novel applications of polyphenols in various fields.
A novel nanocarrier system utilizing metal-polyphenols enables precise intracellular delivery of therapeutic antibodies into cancer cells. This technology overcomes endosomal entrapment, resulting in suppressed tumor growth and enhanced anti-cancer activity.
A study of over 6,000 Brazilians found that consuming polyphenols from foods like fruits, coffee, chocolate, and wine can reduce the risk of metabolic syndrome by up to 23%. The study also found that flavan-3-ols in red wine were associated with a lower risk of developing the condition.
A new method called periodic cooking optimally cooks both the yolk and white of a boiled egg, resulting in an evenly-cooked egg with higher nutritional content. The approach involves alternating the egg between boiling water and a cooler temperature, yielding soft yolks similar to sous vide eggs.
Researchers developed a novel AAV-equipped nanomachine that successfully overcame gene therapy challenges in mice, including reduced efficiency due to neutralizing antibodies and hepatotoxicity. The nanomachine demonstrated sufficient gene transfer activity and suppressed liver toxicity markers.
A systematic review of 24 studies suggests resveratrol can enhance the quantity and quality of egg cells, called oocytes. The compound may also treat infertility related to endometriosis and obesity.
Researchers found that flavonoids in everyday foods like green tea and dark chocolate regulate glucose levels through gut receptors, paving the way for better health management. The study highlights the potential of polyphenol-rich diets to improve public health and offers a foundation for developing new therapies.
Researchers found that improved blood sugar control significantly impacts brain health, slowing down age-related brain atrophy by up to 50%. The Green Mediterranean Diet, rich in polyphenols, shows promise in supporting metabolic and brain health.
A study found increased antioxidant content and activity in Japanese apricot pickles made with salted red perilla leaves. The phenolic compounds' release was highest before digestion, but a significant increase occurred between 60 minutes and 120 minutes of small intestinal digestion.
Researchers find that unabsorbed dietary polyphenols can reduce the risk of type II diabetes by regulating blood glucose levels and appetite through secretion of gastrointestinal hormones. Polyphenol-mediated binding and activation of T2R promotes the release of incretins, which regulate insulin secretion and food intake.
A randomized clinical trial found camu-camu extract reduced liver lipids by 7.43%, while a placebo increased them by 8.42%. The effect is attributed to polyphenols and their relationship with intestinal microbiota.
Researchers at Osaka Metropolitan University found that Ecklonia cava polyphenols can protect against neurodegeneration and improve motor function in Parkinson's disease model mice. The antioxidants activate the AMPK enzyme and inhibit reactive oxygen species production, reducing neuronal cell death.
A yearlong randomized controlled trial found that daily prune consumption slowed bone loss connected to osteoporosis. Participants who ate at least four to six prunes every day maintained bone density and bone strength.
Scientists have found that microorganisms in the Arctic permafrost can break down polyphenols, previously thought to be untouchable, producing more greenhouse gas emissions. This new discovery has implications for understanding the role of soil microbes in climate change.
Researchers found that cranberry extracts can stimulate beneficial bacteria in the gut, reducing inflammation and improving the prognosis of chronic diseases. The study suggests that cranberries may be a useful addition to a balanced diet in preventing or managing conditions like diabetes and cardiovascular disease.
Researchers have identified the unique nutritional profile of Canadian sea buckthorn berries, which are rich in polyphenols with potential health benefits for cardiovascular protection and anti-inflammatory properties. The study found that geographical factors influence the polyphenolic profile of the berries, making them a promising s...
Researchers found that daily cranberry extract consumption for 28 days improved running speeds by 1.5% and reduced post-exercise blood lactate levels. The study also showed increased muscle oxygenation rates and slower deoxygenation.
Research reveals that polyphenols interact with bitter taste receptors in the gut, promoting vasorelaxation, regulating blood pressure, and influencing hormone secretion. Bitter and astringent perception of polyphenols also affects HPA axis activation, improving mood and memory function.
Researchers developed a machine learning-based method to estimate chemical attributes of spice extracts by measuring fluorescence emitted by polyphenols and flavonoids. The approach integrated data from multiple dilution levels, achieving highly accurate results.
Researchers at ITMO University improved the nutritional value and taste of plant-based milks by using pre-freezing and ultrasound treatment methods. These methods boosted the extraction of beneficial microelements like iron, potassium, and zinc, as well as polyphenols, resulting in improved antioxidant activity.
A recent human study found that grape consumption improved key markers of eye health in older adults, including increased Macular Pigment Optical Density (MPOD) and reduced AGEs. Regular grape intake was also shown to increase plasma antioxidant capacity and total phenolic content.
A Singapore study found that drinking coffee and tea at midlife is associated with reduced likelihood of physical frailty in late life. The study, led by Professor Koh Woon Puay, analyzed data from over 12,000 participants aged 45-74 years old.
Researchers found that daily consumption of dealcoholized muscadine wine for six weeks improved skin elasticity and barrier function, while reducing inflammation and oxidative stress. Although wrinkles were not significantly affected, participants showed significant improvements in skin smoothness.
Researchers have developed methods to produce polyphenolic compounds with improved solubility through microbial fermentation, enabling potential life-saving drugs. The process, called glycosylation, attaches sugar molecules to the compounds, making them more effective in preventing diseases such as cancer and heart disease.
Researchers found that a reduction in body weight of 1% led to participants' brain age being almost 9 months younger than expected. This attenuation of brain aging was associated with changes in liver fat and enzymes, which can negatively affect brain health in Alzheimer's disease.
The green Mediterranean diet significantly regressed proximal aortic stiffness by 15% compared to the healthy Mediterranean diet's 7.3% and control diet's 4.8%. A large-scale clinical trial of 300 participants over 18 months showed the diet's powerful effect on vascular aging physiology.
A study found that adding rosmarinic acid to sunscreen increases sun protection factor by over 41% and reduces the need for synthetic chemicals. The natural antioxidant also provides anti-aging benefits, making it a potential multifunctional compound for improved skin health.
Researchers at Anglia Ruskin University found that consuming a hydroxytyrosol-rich, olive-derived phytocomplex improved respiratory parameters, oxygen consumption, and running economy during aerobic exercise. The study also showed reduced perceived exertion and enhanced acute recovery.
Researchers developed a new muffin recipe using Hibiscus sabdariffa extract, which provides high levels of antioxidants like phenolics. The muffins also have improved nutrition, containing less sugar, saturated fat, and white flour, making them a healthier option.
The study found that phenolic extracts from roselle inhibited fat cell formation by 95%, while hydroxycitric acid had no effect. Researchers hope the plant's antioxidants can be used in health food products to manage obesity without side effects.
Researchers discovered polyphenol PCB2DG reduces inflammatory responses by inhibiting glutamine uptake in CD4+ T cells, promoting gene expression to synthesize amino acids. The study's findings offer potential for dietary polyphenol treatment of autoimmune diseases.
A new study from the University of Copenhagen suggests that combining proteins and antioxidants in foods like coffee with milk may have an anti-inflammatory effect in humans. The researchers found that immune cells treated with this combination were twice as effective at fighting inflammation as those with only polyphenols.
A new study by the University of Coimbra found that higher coffee intake is associated with reduced NAFLD severity in overweight people with T2D. Caffeine and polyphenols in coffee may help alleviate liver fibrosis and improve glucose homeostasis.
A randomized controlled trial found that daily almond supplementation increased the beneficial fat molecule 12,13-DiHOME in blood plasma after intense exercise. This increase was associated with reduced muscle damage and fatigue, as well as improved recovery from exercise. The researchers suggest that polyphenols in almond skin may be ...
A recent human study published in Antioxidants found that consuming grapes protected against ultraviolet (UV) damage to the skin. The study showed increased resistance to sunburn and unique microbiomic and metabolomic profiles in subjects who consumed whole grape powder, suggesting a correlation between the gut and skin.
A recent clinical trial found that the Green Mediterranean diet reduced visceral adipose tissue by 14%, outperforming both the traditional Mediterranean diet and a healthy diet. The new diet incorporates dietary polyphenols and lower red meat intake, resulting in significant weight loss benefits.
A new survey by the European Federation of Dietitians supports moderate coffee consumption as having clear health benefits, including improved alertness and sports performance. The study involved 585 dietitians from across 26 European countries.
Researchers have discovered a high-antioxidant ingredient in passion fruit peels that can preserve fresh fruits and cuts in an edible coating, reducing spoilage and plastic packaging. The microencapsulated powders are stable, non-hygroscopic, and suitable for industrial applications.
A study published in Scientific Reports found a positive correlation between polyphenol consumption and cardiovascular health in Spanish adolescents. The researchers analyzed the urine of 1,326 adolescents aged 11-14, discovering that higher urinary polyphenol excretion was associated with improved cardiovascular health.
A study led by Susanne Talcott explores the 'mechanics' of botanical compounds and their effects on human microbiota. The research aims to develop novel recommendations for safe and effective consumption of large molecular polyphenols, including gallotannins, to reduce intestinal inflammation.
The conference highlights recent discoveries on polyphenol applications in microbiota, adipose tissue, nervous system, senolytic activity, ageing, and endothelial function. Over 131 communications will be presented during three days.
Extracellular vesicles and exosomes are membrane-bound vesicles that facilitate intercellular exchange of proteins, lipids, and genetic material. They will be highlighted in upcoming events focusing on mitochondrial quality control, skin ageing, and microbiota.
The workshop will discuss recent advances, perspectives, and applications of medical cannabis and cannabinoids. Researchers will explore their chemistry, pharmacology, analysis, influence on mitochondria, and potential use as anticancer agents.
The Polyphenols Applications 2022 World Congress will focus on the latest findings and emerging trends in polyphenol research, covering various topics such as microbiota, adipose tissue, nervous system, senolytic activity, ageing, endothelial function, radioprotection, atherosclerosis, and more. Over 300 international participants will...
The 15th World Congress on Polyphenols Applications will be held in Valencia, Spain from September 28-30, featuring over 100 communications and discussions on polyphenol applications and innovations. The congress aims to explore the role of polyphenols in food and their impact on human health.
Researchers found that healthy choices, such as no smoking, high leisure-time exercise, and adequate sleep, are associated with a reduced risk of Alzheimer's disease. Additionally, intakes of certain polyphenols, commonly found in tea and other foods, may also play a role in protecting brain health among Black participants.
A team of scientists at Tokyo University of Science has successfully produced hydrogen peroxide using spent coffee grounds and tea leaf residue. The new method, which is simple, cost-effective, and environmentally friendly, opens up new applications for unused biomass resources.
A polyphenol-rich diet has been shown to increase the production of indole 3-propionic acid (IPA), a metabolite with antioxidant and anti-inflammatory properties, in older adults with preserved kidney function. This increase is associated with a decrease in inflammation levels and changes in gut microbiota.
The Polyphenols Applications World Congress 2022 will host a cannabis symposium in Valencia, Spain, discussing recent advances on polyphenols, their applications, and innovations. The symposium aims to evaluate the constituents of cannabis and medical cannabis, mainly cannabinoids and flavonoids.
The green Mediterranean diet induces specific microbial changes in the gut microbiome, enriching with bacteria that positively affect glucose metabolism and insulin sensitivity. This novel diet also promotes genetic pathways involved in reducing branched-chain amino acids linked to insulin resistance.
Researchers found that tannic acid targets the RBD protein and enzymes involved in viral entry and replication, suggesting its potential as a preventative or therapeutic agent. The polyphenol's low toxicity and anti-inflammatory properties make it an attractive alternative to existing antivirals.
A recent study found that nutrient levels in broccoli and kale microgreens differ significantly depending on the growing environment. Researchers measured polyphenols and glucosinolates in microgreens grown under different conditions, revealing varying levels of antioxidant- and anticancer-related compounds.
Researchers at the University of Tokyo have developed a cost-effective and convenient method to apply an antimicrobial silver coating to textiles using polyphenols found in wine and chocolate. The coating maintains its properties even after multiple washes and has potential applications in hospitals and other sterile environments.
A green Mediterranean diet rich in polyphenols and low in red and processed meat may slow age-related brain atrophy. The DIRECT PLUS 18-month trial found significant attenuation of brain atrophy among participants who adhered to both diets.
Researchers found that flavanols activate brown adipose tissue, causing it to burn calories and produce heat. Long-term consumption of flavanols increased the levels of heat-related proteins in mice, suggesting a potential therapeutic effect against obesity-related diseases.
A new clinical study found that grape consumption increased gut bacterial diversity and reduced cholesterol levels, including total cholesterol by 6.1% and LDL cholesterol by 5.9%. This suggests a potential role for grapes in promoting good gut health and supporting heart health.