Articles tagged with Fermentation
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A living biosensor made of bacteria detects acetic acid levels in wine, alerting wineries to potential spoilage. The sensor works in real-time and can detect volatile acetic acid in the air above wine bottles, enabling early intervention before damage is done.
A study found that different flour types shape the microbial composition of sourdough starters, with yeast strains like Kazachstania dominating all samples. The bacterial diversity varied by flour type, with whole wheat flour favoring Companilactobacillus and bread flour favoring Levilactobacillus.
Jeonbuk National University researchers examine how different seasonings shape kokumi perception in doenjang soup, influencing consumer acceptance. They found that umami is a major sensory driver of kokumi perception and can be enhanced to improve the flavor quality of fermented foods.
Researchers from Kyoto University found that soaking sun-dried raisins in water can create wine. The process facilitates the growth of yeast and results in higher ethanol concentrations.
Biosurfactants, such as rhamnolipids and sophorolipids, have been found to be highly effective and biodegradable alternatives to synthetic surfactants in shampoo formulations. They offer improved environmental compatibility and are suitable for sensitive skin, with properties that surpass those of traditional surfactants.
A literature review of cheese fermentation and ripening identified five underused, evidence-based measures to improve efficiency and sustainability in cheese production. By exploiting whey and encapsulating lactic acid bacteria, dairies can reduce waste and optimize production processes.
A study from the Champalimaud Foundation found that when fruit flies are deprived of essential amino acids, their brains upregulate two olfactory receptor genes involved in smell, leading to a refined sense of smell that guides them to protein-rich yeast and gut bacteria. This interplay between smell and taste regulates feeding behavior.
Scientists recreated a traditional Balkan yogurt recipe using ants, finding that the insects' natural chemicals and microbes can kickstart the fermentation process. The researchers tested live, frozen, and dehydrated ant products, concluding that only live ants are suitable for yogurt making.
A study on Aspergillus oryzae found that increased cell volume and nuclear number contribute to its high enzyme production capacity. The fungus's hyphae thicken, resulting in a tenfold increase in cell volume, while the number of nuclei per hyphal cell also rises tenfold.
Researchers at Ohio State University discovered that adding an electrical jolt to fermentation increases the yield and speed of platform chemicals from industrial food waste. Combining two bacterial species also enhances targeted chemical production and produces hydrogen gas as a byproduct, reducing waste and greenhouse gas emissions.
Researchers partnered with food experts and public to examine microbial communities in fermented foods. The study found diverse microbial communities in kimchi made with different ingredients and no specific species associated with green tea vs black tea in kombucha.
Researchers developed a fermentation method using unripe fruit beans, producing high-quality beverages comparable to those made from ripe fruits. The process, known as self-induced anaerobic fermentation, adds value to the product while minimizing its defects, making it attractive to domestic and foreign markets.
Researchers developed a new metabolic engineering strategy to boost the yield of succinic acid production in yeast, improving its efficiency and cost-effectiveness. The new process reduces the minimum product selling price by 25% and is expected to save companies millions of dollars annually.
Researchers introduce a novel electrocatalyst design strategy using chemical fermentation, creating a multilevel porous carbon architecture embedded with Ni–Fe alloy nanoparticles. This approach achieves ultra-efficient oxygen evolution reaction performance, with a record-low overpotential of 165 mV at 10 mA cm−2.
Researchers have developed a sustainable method for extracting sugars, organic acids, and phenolic compounds from corn stover using subcritical water. This process recovers high-value bioderivatives with yields up to six times higher than traditional methods, reducing energy costs and time.
Researchers found a new recipe to improve biogas production from alfalfa by adding fruit waste and an anaerobic microbe, boosting methane production by 33% and reducing costs. The added ingredients also increased the nutritional content of remaining plant matter.
Researchers evaluated 11 commercially available yeasts to identify their strengths based on chemical analysis and sensory panel opinions. Maltose-negative yeasts offer different benefits, including the ability to produce style-specific, high-quality nonalcoholic beers with desired flavor profiles.
Researchers found that fermented pearl millet flour can replace up to 20% of whole wheat flour without affecting consumer acceptance. The study also highlights the value of simple and natural food preparation techniques to improve nutrition and flavor.
A study published in Applied and Environmental Microbiology suggests that sauerkraut's metabolites can maintain intestinal cell integrity and support long-term gut health. The researchers found that both store-bought and lab-made sauerkraut samples protected gut function, with no noticeable difference between the two.
A study at the University of Turku found that different processing methods significantly affect plant-based products' biochemical composition. Current food classification systems do not acknowledge this, which can lead to misclassification of beneficial products as unhealthy.
A new study maps how specific lactic acid bacteria can reduce off-flavours and degrade anti-nutrients in plant-based dairy alternatives. Fermentation with these bacterial strains increases nutrient bioavailability and enhances product nutritional profiles.
A recent study suggests that Saturn's moon Titan could support simple, microscopic life forms due to its abundant organic content. However, the amount of biomass that can exist in this environment is likely to be extremely limited, possibly only a few pounds.
Scientists successfully fermented miso on the International Space Station, discovering differences in bacterial communities and flavor profiles compared to Earth-made miso. The study's findings suggest that food fermentation can thrive in space, opening up new possibilities for astronaut well-being and performance.
Researchers found two new types of gene clusters capable of producing large volumes of hydrogen in marine bacteria. The study suggests that the diversity in these clusters is related to speciation and ecological niches, with some species producing higher levels of hydrogen than others.
Filipino researchers found a way to enhance tapuy lees for high polyphenol content and antioxidant activity, extending test animal lifespan and health. The study suggests repurposing tapuy lees as a health food to combat aging and oxidative stress-related diseases.
Researchers from UC and Oak Ridge National Laboratory have made a breakthrough in understanding how alcohol damages microbes that produce it. The study reveals the primary location of toxicity is in the cell membrane, which can be stabilized to increase efficiency in biofuel production.
Research finds over 25% of Egyptian milk and dairy products contain E. coli, with one strain causing a Japanese school outbreak; experts hope for effective treatment and prevention methods.
Researchers have developed a novel ingredient using sugars derived from field peas to accelerate sour beer production. The experimental beers achieved comparable attributes to commercial Belgian-style sours with significantly shorter brewing times.
A new study from DTU National Food Institute finds that temperature and light intensity play a crucial role in the yield of various nutrients produced by the microalga Nannochloropsis oceanica. The research suggests a two-stage cultivation process to optimize nutrient production, paving the way for sustainable food production.
A team of food scientists is developing tempeh products from chickpeas and peas to offset the health risks of a Western diet. The new fermented foods may help with obesity, fatty liver, hyperlipidemia, and diabetes. Preliminary research suggests they are high in fiber and low in fat.
Researchers are developing a marine-based microbial fuel cell to power ocean sensing devices, eliminating the need for batteries and cables. The system, called PODPower, can produce up to 10 Watts of electricity consistently for over a year.
A study published in Nature Communications reveals that bacteria used to produce Gruyère, Emmental, and Sbrinz cheese show signs of ancient domestication. The researchers analyzed genetic and phenotypic characteristics of the bacterial strains over a 50-year period, finding low genetic diversity and high stability of traits specific to...
A team of researchers from DTU has successfully produced vitamin B2 using a novel, cost-effective, and climate-friendly method involving food-approved lactic acid bacteria. The production process requires only basic fermentation tools and can be integrated into traditional foods, enhancing public health and reducing environmental impact.
The addition of jabuticaba peel flour increased the bread's fiber content by over 50% and raised its antioxidant capacity by 1.35-3.53 times, leading to improved blood sugar control and insulin response. The study found that satiety increased after consuming the bread with jabuticaba peel flour, suggesting a lower glycemic index.
Researchers found evidence of ancient rice beer production at the Shangshan site, revealing a significant presence of domesticated rice phytoliths and fungal elements. The study provides new insights into the origins of alcoholic beverage brewing in East Asia.
The US Department of Defense has awarded East Tennessee State University's Research Corporation over $900,000 to create a biomanufacturing facility that turns waste streams into valuable products. The project aims to bolster domestic bioindustrial manufacturing and advance sustainable manufacturing goals in Northeast Tennessee.
A new study from the University of Copenhagen aims to replace fecal capsules with a standardized treatment using fermented feces. The method employs fermentation to cultivate beneficial microorganisms, producing a complex mixture of bacteria and bacteriophages that can fight gastrointestinal disorders.
Researchers identified key compounds that distinguish beer from wine aromas, enabling the creation of more flavorful, non-alcoholic substitutes. Stronger fruity aromas made drinks smell more like wine, while scented compounds played a bigger role in beer versus wine-like aroma perception.
Researchers at North Carolina State University identify molecular property of lignin that determines ease of using microbial fermentation to turn trees into industrial chemicals. The discovery could lead to more sustainable alternatives to petroleum-based chemicals.
Researchers have successfully fermented fruit juices, including apple and passion fruit, using a SCOBY to create kombucha-like beverages with boosted antioxidant levels. The resulting drinks showed promise as an alternative to traditional kombucha, with the apple juice variant ranking high in taste testing.
A recent study reconstructed ancient Lactobacillus genomes from Bronze Age kefir cheese, providing new insights into the evolution of dairy fermentation practices and human-fermentative microbial interactions. The findings suggest that ancient peoples learned kefir production techniques from Eurasian steppe populations.
Researchers estimate that silage from maize, alfalfa, and sorghum crops can produce substantial amounts of nitrous oxide, a potent greenhouse gas. Chlorate addition may significantly lower N2O emissions, primarily due to denitrifying bacteria.
Researchers found that certain proteins called killer toxins produced by brewer's yeast can suppress diastatic strains and prevent spoilage. Adding these killer yeasts at the point of contamination may be a remediation procedure to curb the issue.
Researchers have developed a comprehensive database of the 'food microbiome' by sequencing metagenomes from 2,533 foods, identifying 10,899 food-associated microbes. The study shows that these microbes can influence human health and provide insights into how to improve food quality, safety, and authenticity.
A study published in Future Foods found that German consumers are willing to try and buy cheese produced through precision fermentation. Emphasizing high product quality and environmental benefits increases acceptance, while concerns about traditional agriculture reduce willingness to purchase.
Researchers investigated the effects of initial microbiota on microbial succession during eggplant fermentation, finding two distinct patterns of LAB dominance. They also identified Lactiplantibacillus plantarum as a primary contributor to lactic acid production and nutrient content.
Researchers at DTU Biosustain have developed a new technique to monitor contamination in bioethanol production, revealing how strain dynamics impact process performance. The study could lead to significant improvements in efficiency and environmental benefits, with potential applications beyond bioethanol production.
The Illinois Fermentation and Agriculture Biomanufacturing (iFAB) Tech Hub has been awarded a $51 million EDA grant to position Central Illinois as a global leader in biomanufacturing and precision fermentation. The grant will support the growth of biomanufacturing businesses, creating jobs and driving economic growth.
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.