Articles tagged with Phenols
A new analytical approach developed by researchers at the University of Córdoba can predict the fatty acid, phenol, and volatile compound profile of extra virgin olive oil quickly and accurately using only olives. The method allows for optimal harvest times to be determined based on chemical profiles, enhancing product value.
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 at the University of Pennsylvania designed a new recipe for mRNA vaccines by adding phenol groups, which reduce inflammation and improve vaccine effectiveness. The modified lipids improved vaccine performance in various diseases, including COVID-19, cancer, and genetic diseases, with enhanced efficacy and reduced side effects.
A recent study by researchers at Kumamoto University found a potential link between exposure to certain everyday chemicals during pregnancy and the development of asthma in children. The study analyzed data from over 3,500 mother-child pairs and measured 24 types of phenols in urine samples collected from pregnant women.
An interdisciplinary study found associations between exposure to environmental phenols like BPA and triclocarban and altered cardiac electrical activity, particularly in women with higher body mass indexes. Researchers identified moderate changes to cardiac electrical activity that could exacerbate existing heart disease or arrhythmias.
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.
Four plants eaten by western lowland gorillas in Gabon, also used by local traditional healers, show antibacterial and antioxidant properties. Researchers identify four plant species with promising targets for treating multidrug-resistant infections.
A team of scientists at Tokyo University of Science has discovered a novel substituent migration reaction that enables the creation of complex benzofurans. This breakthrough synthesis method uses alkynyl sulfoxide and trifluoroacetic anhydride to produce highly functionalized benzofurans with high yields.
Researchers at Oregon State University have developed a spray coating for grapes that can prevent off-flavors caused by wildfire smoke. The coatings, made with cellulose nanofibers and chitosan, block or capture wildfire smoke compounds, protecting wine quality.
Scientists at IISc have developed an enzyme mimetic called NanoPtA that can degrade toxic chemicals in industrial wastewater effectively in the presence of sunlight. The nanozyme is highly specific and robust, making it suitable for large-scale industrial use.
Researchers use pulse radiolysis experiments to measure how unpaired electrons can drive chemical reactivity on a molecule's opposite side, enabling the creation of novel synthetic methodologies. The study demonstrates the potential for free radicals to influence reactivity beyond their site of origin.
A study by the Barcelona Institute for Global Health found a strong association between prenatal phthalate exposure and reduced lung function in children. The researchers analyzed data from 641 mother-child pairs and discovered that gestational phthalate exposure was associated with decreases in forced vital capacity and forced expirat...
Researchers evaluated 43 olive varieties over three seasons to determine the concentration and composition of phenols in pomace. The results show that olive variety is the main factor determining bioactive compounds, with different groups containing varying levels of oleuropein, ligustroside, and other compounds. This study offers a su...
Wind turbine blades made from glass fibre-reinforced polymer can serve up to 25 years before ending up in landfills. Lithuanian researchers have proposed a method to break down these composites, extracting usable materials like phenol and fibre for reuse.
Researchers identified eight new microorganisms that cleave ether bonds in the lignin-based compound-2-phenoxyacetophenone. These discoveries could enhance our understanding of the carbon cycle and facilitate biotechnological applications for lignin commercialization.
Researchers detected emerging synthetic antioxidants in e-waste recycling dust, including hindered phenol and sulfur antioxidants. The study highlights the need for further research on their environmental behaviors and toxicities.
Researchers from India and Saudi Arabia have combined oxidation and photocatalysis to create a heterogeneous photo-Fenton system that degrades phenols at higher rates than individual approaches. The system is highly photostable and reusable, making it promising for practical applications in wastewater purification.
Chemists at St Petersburg State University have developed a new method to detect phenols in smoked food samples using vitamin B4, a non-toxic compound. This technique offers advantages such as safety and speed, allowing for analysis to be completed in under half an hour.
Research has linked exposure to BPA in the womb to increased risk of wheezing and poorer lung function in children. The study found that pregnant women with higher BPA levels were more likely to have children who suffered from wheezing, and a doubling of BPA corresponded with a significant decrease in lung capacity.
A Thai research team has created a novel approach for simultaneously detecting and detoxifying harmful phenol compounds in one step. The innovative technique leverages natural enzymatic reactions to convert toxic chemicals into luciferin, a bioluminescent compound produced by fireflies.
A low-cost, non-enzymatic phenol sensor has been developed using a Ni/MWCNT electrode material, exhibiting high sensitivity, good selectivity, and stability. The sensor's potential application lies in detecting phenol in discharged wastewater, where it can provide real-time monitoring and fast response.
Researchers have successfully used E.coli bacteria to oxidize C-H bonds in benzene to generate phenol by activating a genetically inserted cytochrome P450BM3 enzyme with a decoy molecule. This novel approach enables whole-cell biotransformation without harsh conditions or genetic modification.
A recent study from Johns Hopkins University reveals a flaw in the water treatment process that can create toxic transformation products, including 2-butene-1,4-dial. This compound has been linked to negative effects on human cells and may be responsible for toxicity in cigarette smoke and car exhaust.
Researchers at UBC Okanagan campus have created a definitive method to detect wildfire-tainted wine grapes, providing accurate and quick results. The new test detects volatile phenols present in the fruit prior to wine production, helping wine producers and grape growers manage the impact of smoke exposure on wine flavor.
Researchers prepared porous MoS2 with high specific surface area using APTES-modified SiO2 hard template and different sulfur sources. The resulting materials exhibited good performance in hydrodeoxygenation (HDO) of bio-oil, a promising route for upgrading this liquid fuel.
Scientists at Lomonosov Moscow State University found that avobenzone, a popular UV filter in sunscreen products, breaks down into hazardous chemical compounds when exposed to chlorinated water and ultraviolet radiation. These compounds can be toxic and have been linked to liver and kidney dysfunction, as well as nervous system disorders.
Researchers found that common odour compounds like cyclohexanone, isophorone and phenol are present in high concentrations in inflatable pool toys. These chemicals have potential health risks, including irritation and carcinogenic effects.
Chemists at UTA are developing new methods to synthesize organosilanes, a class of compounds in high demand for pharmaceutical and medical applications. The goal is to provide fast, cost-effective routes to these compounds using single-pot synthesis with transition metal catalysts.
Researchers found that frying vegetables in Extra Virgin Olive Oil increases their antioxidant capacity and phenolic compounds. The method preserves the natural nutrients of raw vegetables while transferring oil-exclusive phenols.
A study published in Epidemiology found that exposure to parabens and triclosan during pregnancy may hinder boys' growth, while bisphenol A was not associated with any significant impact. The research also suggested a link between parabens and increased weight at birth and three years old.
Researchers discovered that water formation in biofuel conversion slows key chemical reactions, forming an impurity that disrupts the process. The study provides scientific principles to speed up biofuel development, benefiting processes that produce biofuels from plants.
Researchers have developed a new nickel catalyst that catalyzes the cross-coupling reaction between carbonyl compounds and phenol derivatives to form alpha-arylketones, which are found in many biologically active compounds. The study has potential applications in synthesizing biologically active molecules and organic materials.
Researchers identified three proteins that target a key enzyme in the phenol synthesis reaction, reducing its levels and lower plant phenols. This finding could improve biofuel production and lead to increased synthesis of antioxidant-rich compounds.
Researchers developed an engineered E. coli strain capable of producing phenol from glucose, overcoming its toxicity issues. The biphasic extractive fermentation process allowed efficient extraction of phenol, reaching the highest titer and productivity reported.
Researchers developed an inexpensive and green procedure for catalytic acetylation of phenols and alcohols using Amberlyst-15. The catalyst exhibits excellent potential for sustainability, allowing mild and selective transformations under heterogeneous conditions.
A University of Georgia study reveals that common herbs and spices can inhibit tissue damage and inflammation caused by high blood sugar. The extracts of 24 herbs and spices were found to block the formation of AGE compounds, which contribute to aging and diabetes.
A new study by the American Chemical Society ranks cranberries number one in antioxidants, making them a key component of a healthy diet and lifestyle. The study found that cranberries contain more disease-fighting phenols than other fruits, including broccoli, which has been shown to have anti-cancer properties.