Articles tagged with Fermentation
A study led by Fuzhong Zhang found that microbes respond differently to various carbon sources, with acetate inducing high ATP levels in E. coli and oleate in Pseudomonas putida. This research provides insights into microbial energy homeostasis and offers a strategy to enhance bioproduction by choosing beneficial feedstocks.
Researchers developed new lager yeasts by hybridizing brewer's yeast with Patagonian wild strains, which resulted in enhanced fermentation capacity and unique aroma profiles. The study provides a way to expand the range of currently available beer styles through wild yeast exploration.
Researchers in Brazil have developed bread with probiotic yeast that may help combat asthma by reducing airway inflammation and hyperresponsiveness. The bread's probiotic properties were shown to attenuate asthma symptoms in mice, suggesting potential for a new treatment approach.
The fungus secretes enzymes that transform tea chemical components through oxidation, degradation, and condensation reactions. This results in high-quality fermented teas with enhanced flavor and health benefits.
Fermenting blueberry juice creates a wine that maintains fruit benefits, but temperature and time influence nutrient content. The study found anthocyanin and flavanol levels decreased, while flavan-3-ol increased with longer fermentation times.
The study reveals that lactic acid bacteria enhance gel strength, elasticity and juiciness by lowering pH and increasing ionic strength, promoting actomyosin formation. Advanced imaging techniques such as SEM and CLSM are critical in characterizing these microstructures.
A study published in The Lancet Gastroenterology & Hepatology found that dietary adjustments, such as a low FODMAP diet and low-carbohydrate diets, resulted in significantly reduced IBS symptoms for over seven out of ten patients. In contrast, medication-based treatment showed fewer symptom improvements.
Researchers from NTU Singapore have created a method to extract over 80% of the available protein in grain leftovers from brewing beer, commonly known as brewers' spent grain. The extracted proteins could be used commercially to enrich human diets and cosmetic products, providing an eco-friendly alternative to conventional ingredients.
Researchers found that probiotics in kombucha tea alter fat metabolism in worms, leading to reduced fat stores and lower triglyceride levels. This study suggests possible health benefits of kombucha for humans and informs potential use in complementary healthcare approaches.
Kombucha brewers can now optimize their brews with science. The team discovered that silicone bags expose SCOBYs to more oxygen, speeding up brewing time and reducing ethanol levels. Additionally, using glucose as the SCOBY food source creates a kombucha with more gluconic acid and minimal ethanol.
Researchers at UT Austin develop tools using AI and biosensors to harness microbes for faster drug production, potentially creating a reliable supply of galantamine. The innovative approach uses genetically modified bacteria to produce a chemical precursor of the medication.
Researchers at Delft University of Technology have developed pioneering advancements in the purification of isopropanol and acetone from waste gases through engineered bacteria. The novel process shows high-purity yields with recoveries over 99.2%, marking a significant step forward in sustainable industrial fermentation.
Researchers at UNIST developed a novel one-pot process for growing Bdellovibrio bacteriovorus, a predatory bacterium with potential as 'living antibiotics'. This approach eliminated the need for multiple vessels and reduced growth time by over 50%, enabling large-scale cultivation without compromising efficacy.
A new hypothesis suggests that fermentation of cached food provided a more accessible form of nourishment, fueling the growth of larger brains in human ancestors. This idea is supported by the fact that the human large intestine is proportionally smaller than other primates and fermented foods are found across cultures.
Researchers at DTU Biosustain develop innovative fermentation process to produce natural betalain-type food colors, reducing waste and environmental impact. The new technology can satisfy global demand with just one-tenth of the equivalent land area, offering a more sustainable alternative to traditional extraction methods.
Researchers discovered an enzyme that can improve the quality and alcohol content of sorghum-based beers. By optimizing brewing parameters, brewers can create wort with higher concentrations of fermentable glucose, resulting in better-tasting drinks.
University of Copenhagen scientists have successfully produced plant-based cheeses with firm texture and improved aroma profile using natural fermentation processes. The study explores the potential of fermentation to develop flavor and texture in non-dairy cheese, paving the way for a more sustainable dairy-free alternative.
Researchers at CABBI developed an economical method for producing succinic acid, a key chemical in food, agricultural, and pharmaceutical products, using acid-tolerant yeast. The new pipeline eliminates costly downstream processing steps, significantly reducing costs and emissions.
An international team of scientists is recruiting microbes to reduce methane production in cows, with the goal of reducing greenhouse gas emissions. The project involves tracking hydrogen production and utilization during fermentation to redirect excess hydrogens towards more productive end-products.
Researchers have developed a standardized synthetic molasses with a fully known composition that can be used as a culture medium for yeast fermentation. This breakthrough enables scientists to study the influence of specific components and develop bioprocesses worldwide, facilitating comparative research and industrial applications.
Researchers found that fermented onions, specifically from the Allium family, produce compounds similar to those found in meats. The team used fungi to ferment various foods and identified flavor and odor chemicals, including bis(2-methyl-3-furyl) disulfide, a potent meaty scent.
Researchers have identified 21 key chemical compounds that make pandemic-era sourdoughs so uniquely sour. These compounds include salt, acetic acid, and lactic acid, which are produced during fermentation and contribute to the bread's distinctive taste and smell.
A new study by University of California, Berkeley biologist Robert Dudley found that hummingbirds happily sip from sugar water with up to 1% alcohol by volume, without being repelled by it. The research suggests that birds are likely consuming ethanol produced by natural fermentation in flowers and nectar-filled feeders.
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 at Leibniz-HKI have confirmed experimentally that bacteria use electrons from hydrogen to produce organic compounds. This breakthrough could make microbial electrosynthesis (MES) a commercially viable technology, producing ethanol and other fuels while storing excess electricity. The study optimized the process for high yie...
A new study finds that popular compostable plastics like PLA don't biodegrade in marine environments, instead persisting unchanged. The research highlights the need for standardizing tests to see if materials promoted as compostable or biodegradable actually break down in natural environments.
Researchers propose that 'lager yeast' S. pastorianus originated from a contamination event involving S. cerevisiae at the Duke's court brewery in Munich in 1602. The new findings suggest that lagers likely first emerged in Bavaria at least two hundred years earlier than previously thought.
Researchers develop self-propelled 'BeerBots' that ferment sugar faster than traditional yeast cells, reducing fermentation time and making separation of yeast from beer easier. The BeerBots were found to be active for up to three more brewing cycles after the initial fermentation process.
Researchers have found that fermented sugar-based products and fermented vegetable-based products show promise in improving gut and brain health. Preliminary results suggest these foods contain beneficial metabolites that can positively impact mental health.
Researchers found that traditional handmade clay jars, called onggi, ferment kimchi faster and produce more beneficial bacteria due to their unique porous structure. The study highlights the connection between the earthenware's material properties and the fermentation process, providing new insights into ancient technology.
A UMass Amherst food scientist is developing designer tempeh using smart fermentation, transforming soybean meal into a high-quality, protein-rich plant-based alternative. The goal is to create a scientifically-targeted approach to produce nutritious and delicious tempeh, replacing animal meat.
Researchers successfully add purified curcumin to probiotic yogurt, preserving its dissolved form and enhancing its health properties. The study shows that the curcumin inhibits yeast, fungi, and bacteria growth while maintaining the recommended levels of beneficial lactic acid bacteria.
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.
Researchers discovered that fomepizole, an FDA-approved drug, can significantly reduce disease in mice infected with multidrug-resistant Streptococcus pneumoniae. The combination of fomepizole and erythromycin reduced bacterial burdens by 95% in the lungs and up to 700-fold in other organs.
Brazilian researchers identified genes that make industrial yeast Saccharomyces cerevisiae SA-1 resistant to fermentation inhibitors generated during sugarcane bagasse preprocessing. The study paves the way for increased efficiency of second-generation ethanol production.
Researchers at CABBI designed a new wastewater treatment process that simultaneously treats water and recovers biogas, reducing capital costs and energy usage. The process efficiently converts organic contaminants to biogas, achieving simultaneous energy recovery and wastewater treatment.
Researchers have discovered that mezcal gusanos de maguey are actually the caterpillars of agave redworm moths (Comadia redtenbacheri), not a single type of insect larva. This finding has significant implications for the sustainability of agave production and the potential impact on wild populations of these caterpillars.
A new study found that increased consumption of live dietary microbes is linked to better health outcomes, including lower waist circumference and body mass index. The research suggests that a higher intake of fermented foods, raw fruits, and vegetables may support immune function and increase the diversity of microbes in the gut.
A Brazilian study found that a strain of brewer's yeast can act as a preventive against asthma in male mice. Daily administration of the probiotic at a dose of 10 billion CFU/mL significantly reduced bronchial hypersensitivity and inflammation. However, airway and lung inflammation was not significantly reduced by lower doses.
A pooled data analysis of 7 clinical trials found that probiotics, including Lactobacillus salivarius and Streptococcus salivarius, reduced OLP scores and volatile sulphuric compound levels in the mouth. However, the effects were relatively short-lived and more high-quality research is needed to verify these findings.
A recent study by Chalmers University of Technology reveals that many vegetarian meat substitutes sold in Sweden are low in iron and zinc due to phytates. The researchers analyzed 44 different products and found that even fortified ones still contain phytates, which inhibit absorption.
Scientists have identified the ancient yeast species necessary for lager beer production in Europe, with a previously unknown parent strain found in Ireland. The discovery sheds new light on the history of brewing and suggests that natural populations of the yeast may still remain hidden in European forests.
Researchers have identified a single mutation in the MDS3 gene that improves yeast's tolerance to carbon dioxide pressure, resulting in full-flavored beer. This breakthrough could lead to improved quality beer production worldwide.
Scientists identified proline-modified dipeptides and larger proteins that enhance umami and salty flavors in soy sauce. This discovery could help producers optimize fermentation conditions to boost desirable compounds and tailor the taste of soy sauce.
A Monash University study found that microbial fermentation of dietary fibre in the gut protects against allergic skin disease. The researchers used mice with a diet high in fermentable fibre or purified SCFAs, showing that butyrate enhances the metabolism of keratinocytes and fortifies the skin barrier.
Scientists estimate 20% of children and 26% of adults in the US consume high levels of live microorganisms daily. These findings suggest a link between dietary microbes and health outcomes, highlighting the importance of quantifying live microbes consumed through food and supplements.
Adding pickled cucumbers to sour cream significantly increases antioxidant activity and reduces cholesterol oxidation products. The addition also improves the bioaccessibility of antioxidants, making it a promising strategy for enhancing the health-promoting activities of sour cream.
A new cocoa processing method called moist incubation has been found to produce a fruitier and more flowery-tasting dark chocolate compared to traditional fermentation. The method involves rehydrating dried, unfermented cocoa nibs in an acidic solution and heating them for 72 hours before re-drying.
Researchers at TUM have developed a new process for producing ethanol from waste wood and hydrogen, resulting in a lower cost compared to traditional methods. The process has the potential to reduce greenhouse gas emissions by 75% and can be used as a low-carbon fuel alternative.
Researchers at Northwestern University and LanzaTech developed a new gas fermentation process that converts CO2 into acetone and isopropanol. The process reduces greenhouse gas emissions by 160% compared to conventional methods, making it a promising alternative for industrial scale production.
Biochemists analyze fermented drinks from Russia and South Africa for antioxidants, fatty acids, and volatile compounds. Kefir and ryazhenka have more diverse fatty acid profiles, while amasi has branched chain fatty acids with potential health benefits.
Scientists have found a new energy metabolism in lactic acid bacteria that combines features of respiration with fermentation. This hybrid metabolism enables the bacteria to thrive better and faster, potentially improving gut health by manipulating its growth.
Scientists at the University of Copenhagen have developed a method to produce non-alcoholic beer that tastes like regular beer, improving its flavor and sustainability. The technique involves using micro-factories of yeast cells to release hop aroma molecules, eliminating the need for expensive aroma hops.
A team of researchers, including Elizabeth Tomasino, will investigate the effects of smoke exposure on grapes and wine production. The project aims to provide critical knowledge to grape growers and winery owners affected by widespread wildfire smoke.
A research team at Iowa State University aims to create more robust microbes that can produce heat- and acid-resistant enzymes, improving the bioproduction of fuels and chemicals. The goal is to make industrial fermentation more efficient and cost-effective.
Researchers found evidence of two fungal species used in blue cheese and beer production in ancient feces from Hallstatt-Dachstein/Salzkammergut. The findings suggest that people consumed blue cheese and beer during the Iron Age, nearly 2,700 years ago, and retained a non-Westernized gut microbiome structure until the Baroque period.
Researchers from Kaunas University of Technology and the University of Helsinki have developed a nutritious meat analogue using fermented okara, which can help alleviate digestive problems due to its probiotics. The product contains less salt and saturated fats than real meat while maintaining protein levels.
A new study reveals evidence of beer drinking 9,000 years ago in southern China, with ancient pots found at a burial site containing residues consistent with beer fermentation. The discovery suggests that ritualized drinking played a significant role in forging social relationships and cooperation among ancient communities.
A team led by Professor Monique Lacroix at INRS has demonstrated that fermenting drinks fortified with pea and rice proteins yields the same quality of protein as casein. The study found that plant proteins can be predigested by lactic acid bacteria, facilitating their absorption during digestion.
Researchers have identified four main types of SCOBY microorganisms that contribute to kombucha fermentation, allowing brewers to narrow down variables and produce consistent flavors. The study, which used high-throughput DNA sequencing approaches, provides a comprehensive picture of SCOBY microbial community ecology.