Articles tagged with Coffee
A study published in Physics of Fluids reveals that uneven extraction in coffee brewing can result in weaker espresso and affect its taste. The researchers found that a positive feedback loop between flow and extraction leads to more bitter flavors, making it essential to understand the origin of uneven extraction.
Researchers in Brazil and UK develop process to recycle plastic from used coffee pods into conductive and non-conductive filaments. The filaments have various applications, including sensors and machinery parts.
A new study found that high consumption of sugar-sweetened beverages was associated with an elevated risk of premature death and incidence of cardiovascular disease among people with type 2 diabetes. Drinking healthier beverages like coffee, tea, and plain water was linked to lower risk of dying prematurely.
Researchers at Zurich University of Applied Sciences identified six compounds contributing to fermented coffee's unique flavor, including 2-methylpropanal, 3-methylbutanal, and ethyl 3-methylbutanoate. The study aims to standardize production methods and increase availability of this distinctive beverage.
New research reveals coffee consumption may help reduce the risk of type 2 diabetes by lowering inflammatory biomarkers in the body. A study published in Clinical Nutrition found that a one cup per day increase in coffee consumption was associated with a 4-6% lower risk of T2D.
A study by University of Utah researchers found that birds eat fewer invertebrates in coffee plantations than in forests, threatening their survival. The disturbance of ecosystems significantly impacts dietary options, leading to reduced survival and population declines.
A study in Brazil found that agricultural certification can encourage compliance with environmental laws, but doesn't necessarily reduce deforestation or increase natural regeneration. Certified coffee farms showed a general tendency for increased compliance, particularly in protected areas like the Atlantic Rainforest.
A study published in PLOS Climate suggests that climate change is significantly affecting land where coffee is cultivated, particularly due to synchronous climate hazards occurring in multiple areas. The researchers found an increase in climate hazards and compound events threatening coffee crops globally between 1980 and 2020.
Researchers at Martin-Luther-Universität Halle-Wittenberg have found a new treatment for ADCY5-related dyskinesia using the asthma drug theophylline. The treatment has been shown to reduce symptoms and improve quality of life in affected individuals.
Researchers found adult smokers with bipolar disorder and schizophrenia drink the most caffeine, while those with mental illness are at highest risk of negative health consequences. The study suggests mood, metabolism, and self-medication may explain use patterns among this population.
A study published in the journal Nutrients found that regular coffee consumption is associated with lower blood pressure levels, both peripheral and central. The researchers analyzed data from a sample of Italian adults and discovered that moderate coffee drinkers had significantly lower systolic and pulse pressures.
A fossil plant from California has shed light on the evolution of flowering plants, pushing back their origins by 80 million years. The discovery indicates that structurally complex rainforests may have existed as early as the Cretaceous period.
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.
Researchers investigated how the order of eating affects bitter taste perception using chicory and coffee substitutes. They found that consuming chicory or coffee substitute after roasted coffee reduces bitterness, while consuming roasted coffee before chicory has no effect.
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 new study found that drinking two or more cups of coffee daily may increase the risk of cardiovascular disease mortality among people with severe hypertension. In contrast, moderate green tea consumption did not show a significant association with increased risk, suggesting potential benefits of polyphenols in reducing mortality.
A study analyzed the potential of a bacterium to combat coffee rust, a major challenge for Brazilian coffee growers. The researchers found that the bacterium produces antibacterial and antifungal compounds, as well as proteins associated with protection against water stress, making it a promising candidate for biological control.
Healthcare workers surveyed found they would take an average of 3.32 free hot drinks before considering it excessive. Doctors consumed more free hot drinks than emergency department staff. Researchers estimate providing three hot drinks daily would cost £32,692,935 per year.
A new study reveals that child labor plays a significant role in preserving forest cover in southwestern Ethiopia. However, the economic-environmental synergy of smallholder shade coffee production is compromised by an undesirable reliance on child labor, leading to negative effects on children's schooling.
A study found that drinking caffeinated coffee daily can reduce the risk of type 2 diabetes by 10-53% in women who had gestational diabetes during pregnancy. Replacing sugary drinks with coffee also shows a 10-17% reduced risk.
Researchers from the Leibniz Institute for Food Systems Biology have identified three metabolites as potential biomarkers for individual coffee consumption. These biomarkers could help determine the health value of coffee by objectively verifying coffee consumption levels.
A new study found that increasing protein intake by 25g a day and drinking regular cups of tea or coffee can reduce the risk of hip fracture in women by up to 14% and 4%, respectively. The study, which analyzed data from over 26,000 middle-aged women, also discovered that underweight women may experience greater reductions in risk.
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 at Jacobs University have found that a compound in coffee, 5-caffeoylquinic acid, can inhibit the interaction between the SARS-CoV-2 spike protein and the ACE-2 receptor, potentially providing protection against COVID-19. The study's findings suggest that regular coffee drinkers may be less likely to contract the virus.
Researchers at Aston University have developed a method to produce high-quality biodiesel from spent coffee grounds by growing microalgae on the grounds. This innovative approach reduces competition with food crops and decreases greenhouse gas emissions from palm tree cultivation.
A large observational study found that moderate coffee consumption, including decaffeinated and ground coffee, was associated with reduced risk of cardiovascular disease and death. The study suggests that mild to moderate intake of coffee can be part of a healthy lifestyle.
A Brazilian research team has developed a novel method to sort specialty and standard coffee beans using multispectral imaging and machine learning. The technique, which does not require roasting or human intervention, uses images of the beans at different wavelengths to distinguish between quality levels.
A prospective cohort study found that drinking two or more cups of black tea per day is associated with a moderately lower mortality risk. The findings suggest that tea can be part of a healthy diet.
Researchers at the University of Florida found that certain compounds in coffee can directly affect high-sensitivity nicotine receptors in the brain, potentially reducing morning cravings. The study provides a good foundation for further research into nicotine withdrawal and its effects on the brain.
Research by John Molson School of Business reveals how craft firms' aestheticized products are influencing commercial firms, leading to new products and specialized equipment. The study also highlights the blurred lines between specialist and generalist approaches, as firms adapt innovations from other types.
A study published in the Journal of Marketing found that drinking caffeinated beverages before shopping leads to more items purchased and increased spending, particularly for high hedonic products. The researchers also discovered that the effects of caffeine are stronger for certain types of products and weaker for others.
A new study by Vertice Pharma confirms that drinking coffee does not affect the absorption of a liquid formulation of levothyroxine. The research suggests that patients can take their medication with coffee without worrying about reduced absorption. This finding could lead to more flexibility in dosing and improved patient outcomes.
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.
Two conservation strategies protect more birds: setting aside forest and growing coffee under shade tree canopies. These findings validate forest conservation and shade tree management as complementary biodiversity strategies.
A recent study published in Kidney International Reports reveals that consuming at least one cup of coffee per day may reduce the risk of acute kidney injury (AKI) by 15%. The largest reductions were observed in individuals who drank two to three cups of coffee daily, with a 22% lower risk.
A cohort study found that moderate coffee consumption, especially unsweetened coffee, is associated with a lower risk of death. The results suggest that adults who drink 1.5 to 3.5 cups of coffee per day may be less likely to die during a 7-year follow-up period compared to non-coffee drinkers.
A team of scientists has discovered the molecular triggers of parosmia, a distorted sense of smell, and identified compounds responsible for triggering the sense of disgust. The study found that certain highly potent odor molecules in coffee can lead to this experience.
A study of 21,083 adults found that coffee consumption is associated with raised cholesterol levels, with brewing methods such as espresso showing the widest gender difference. Drinking 3-5 daily cups of espresso was linked to increased serum total cholesterol, particularly among men.
The study proposes four types of firms: craft specialists, craft generalists, commercial specialists, and commercial generalists. Craft specialists focus on aesthetic perfection, while commercial firms prioritize profit maximization. The article highlights the intersection of these goals in various industries, including coffee.
A team of researchers has made a large collection of coffee samples' NMR data freely available to assess the variety under which coffee is sold. The dataset can be interactively explored using software called NMRium-browser, allowing users to visualize the molecular structure of coffee beans from different origins.
A new study published in Diabetologia found that healthy plant-based diets, including fruits, vegetables, and legumes, are linked to a lower risk of developing type 2 diabetes. The study analyzed metabolite profiles and diet indices from over 10,684 participants, revealing unique multi-metabolite profiles associated with healthy plant-...
Scientists have created electrodes from recycled coffee grounds that can detect trace levels of biomolecules in vitro, offering a more sensitive surface for neurochemistry detection. The researchers hope to boost their neurochemical detection abilities by fabricating entire electrodes with carbon from coffee grounds.
A new analysis predicts climate change will decline suitable regions for coffee arabica, cashews, and avocados in major producing countries. Suitable areas may expand at higher altitudes and latitudes, particularly for cashews and avocados.
A new review suggests that moderate coffee consumption can stimulate digestive processes and help movement through the colon. The study also found a possible association between coffee consumption and reduced risk of gallstones and certain liver diseases. However, further research is needed to confirm these findings.
A study found that caffeine increases alertness and detection accuracy for moving targets, improving reaction times and visual processing. Researchers tested participants' dynamic visual acuity skills before and after caffeine ingestion, showing significant improvements in accuracy and speed.
A long-term study has revealed that drinking higher amounts of coffee may make you less likely to develop Alzheimer’s disease. The study found an association between coffee and several important markers related to Alzheimer’s disease, including executive function and amyloid protein accumulation in the brain.
A study of healthy individuals aged 50-74 found that coffee and tea consumption was associated with reduced rates of stroke and dementia. People who drank 2-3 cups of coffee and 2-3 cups of tea daily had a 32% lower risk of stroke and a 28% lower risk of dementia compared to those who consumed none.
A randomized trial found that drinking caffeinated coffee is associated with a 54% increase in premature ventricular contractions and fewer episodes of supraventricular tachycardia. Coffee consumption also promotes more physical activity but reduces sleep duration, which can have numerous adverse health outcomes.
New research identifies coffee metabolites that may affect kidney disease risk, with some associated with higher risks of chronic kidney disease. The study found 3 metabolites linked to increased CKD risk: glycochenodeoxycholate, O-methylcatechol sulfate, and 3-methyl catechol sulfate.
A new approach controls the coffee ring effect in spray-coating, leading to high-performance perovskite solar cells with 19.17% power conversion efficiency. The reaction-dependent method uses solvent selection to regulate solute distribution and achieve uniform films.
A new review finds that climate change impacts coffee production, with higher altitudes associated with better flavor and aroma. Current adaptation strategies show promise, but innovative solutions are needed to support bean growth at all elevations.
Researchers at the Leibniz Institute for Food Systems Biology have identified the 'caramel receptor', which recognizes furaneol, a natural odorant found in fruits and coffee. This discovery contributes to a better understanding of molecular coding of food flavors.
A new study reviews sustainability standards for crop and livestock production, finding moderate positive effects on the environment through reduced agrichemical use. However, economic benefits vary by region and standard, and assessments are complicated. The study also raises concerns about labor practices and inequalities in the rura...
Researchers have identified several small molecules responsible for coffee's mouthfeel, including melanoidin compounds and caffeoylquinic acid. These compounds can be used to tune processing and roasting conditions for specialty coffees.
A large study found that high coffee consumption is associated with reduced brain volume and an increased risk of dementia. Researchers warn that excessive coffee drinking, beyond six cups a day, may put individuals at risk for brain diseases such as dementia and stroke.
A large study found no link between moderate coffee consumption and arrhythmia, with a 3% lower risk observed among participants. The researchers suggest coffee's antioxidant and anti-inflammatory properties may play a role in reducing arrhythmia risk.
A study by Gregory M. Marcus and colleagues found that daily coffee consumption may increase the risk of cardiac arrhythmias. The researchers analyzed data from a large population, suggesting that moderate coffee drinking may be associated with an increased risk of irregular heartbeats.
A Rutgers University-led study warns that COVID-19's socio-economic disruptions will drive the coffee industry into another severe production crisis. The researchers conclude that managing coffee leaf rust outbreaks requires a blend of scientific and social solutions to safeguard farmers' livelihoods.
The COVID-19 pandemic has had significant impacts on coffee production, particularly in smallholder farms. Labor shortages, border restrictions, and economic downturns have created conditions conducive to the spread of Coffee Leaf Rust, a disease that can devastate coffee crops.
A meta-analysis of 22 studies found that consumers are willing to pay a premium price for ecolabeled coffee, with an average increase of $1.36 per pound. The study also revealed that Organic ecolabeling has the highest value, followed by Fairtrade and COOL.