Fermentation, Volume 11, Issue 6

This study reports the effects of pH culture on multi-biofuel production (hydrogen, ethanol, and 2,3-butanediol) by Enterobacter cloacae K1ga, isolated from koala and adapted to grow in 100 g dm⁻³ glucose. Batch cultures were performed in 1 dm³...

This study evaluates the effects of solid-state fermentation inoculated with Aspergillus spp. on the nutritional profile of selected agro-industrial by-products (AIBPs: cowpea shell, groundnut shell, soybean hull, and maize shaft). These AIBPs were a...

The textile industry generates millions of tons of waste annually, posing significant environmental challenges. Addressing this issue, our study explores a sustainable biotechnological approach to convert cotton textile waste into valuable bioproduct...

Fed-batch cultivation is a widely used strategy for microbial lipid production, offering flexibility in nutrient control and the potential for high lipid productivity. However, optimizing feeding strategies remains a complex challenge, as it depends...

Background: Fermented foods rich in bioactive compounds have been proposed as potential strategy to combat non-communicable diseases. Among them is kombucha, a beverage fermented from sugared Camellia sinensis tea by a symbiotic culture of bacteria a...

Today, there is considerable interest in creating artificial microbial consortia to solve various biotechnological problems. The use of such consortia allows for the improvement of process indicators, namely, increasing the rate of accumulation of ta...

The search for probiotics to help limit antibiotic resistance is a major scientific challenge. The exploration of Lactobacillus postbiotics represents a promising approach to prevent pathogen invasion. With this aim, Limosilactobacillus fermentum Lf5...

Fungi, including filamentous organisms such as yeasts, play essential roles in various processes such as nutrient exchange in ecosystems, the cultivation of mushrooms, and solid-state fermentation (SSF). SSF involves microbial growth on solid substra...

The bacterial microbial community composition during wine fermentation is a key contributor to wine quality and flavor. However, studies on the regulatory effects of different grape varieties and co-fermentation processes on the microbial community s...

The development of food waste anaerobic digestion (AD) is a contemporary research topic addressed in the scientific community to meet the requirements of food waste valorization and proper substrate configuration for an efficient AD process. In this...

Antimicrobial resistance represents one of the most critical public health challenges of the 21st century. The emergence of multidrug resistance (MDR) in bacterial and fungal pathogens to diverse chemical agents severely impedes the effective treatme...

The rising demand for sustainable, nutritious, and functional food options has fueled growing interest in plant-based fermented foods. These products offer enhanced sensory, functional, and health-promoting properties, largely driven by microbial act...

2-phenylethanol (2-PE), a rose-like fragrance compound, is widely used in the food industry. Conventional chemical synthesis of 2-PE faces significant challenges due to environmental concerns and consumer preferences; thus, using Saccharomyces cerevi...

Ethanol and xylitol are valuable bioproducts synthesized by non-conventional yeasts from lignocellulosic sugars. However, their biosynthesis requires distinct cultivation conditions. This study evaluated the production of ethanol and xylitol by Clavi...

Listeriosis is a disease associated with the consumption of food contaminated with Listeria monocytogenes. Probiotic lactic acid bacteria (LAB) or their postbiotics have been of interest for their anti-listerial effect. This study focused on isolatin...

Solid-state fermentation (SSF) is increasingly applied to enhance the functional properties of traditional herbal medicines. In this study, we investigated the effect of lactic acid bacteria (LAB) and other probiotic strains on the bioactive profile...

Plastic pollution remains a critical global environmental challenge, with conventional disposal methods contributing to ecosystem degradation. Simultaneously, energy scarcity affects numerous rural communities, limiting development opportunities. Thi...

In vitro methods have advanced research on rumen microbiology and fermentation. However, artificial saliva formulation may need adjustments, particularly in urea content, for modern diets, warranting further research. This study investigated the effe...

The sharp rise in the worldwide production of biodiesel has created an excess in the crude glycerol market, so it is essential to develop new added-value alternatives for crude glycerol. This paper describes a study on fermenting high concentrations...

Maize (Zea mays) is one of the most cultivated crops in South Africa, serving as a staple food, stock feed, and a key element in several industrial applications. It contributes significantly to the growth of the South African agricultural economy. Th...

Malolactic fermentation conducted by lactic acid bacteria is essential for enhancing wine’s sensory qualities. Although this process can occur spontaneously through the action of native lactic acid bacteria (LAB) from the grapes and cellar, it...

The bioprocessing of agricultural wastes to produce microbial enzymes has become significant due to its benefits in reducing enzyme production costs and improving waste management. In this study, various substrates, including spent coffee grounds, co...

Seven wild-type lactic acid bacteria, belonging to Lactiplantibacillus plantarum and Lactococcus cremoris species, were isolated from beetroots and white mushrooms and evaluated for their safety and functional profile. Lc. cremoris isolates were...

Beer is probably one of the oldest alcoholic beverages, and regarding consumption, is third place after water and tea. Due to the consumer’s pursuit of novel tastes and aromas, craft brewers are trying to meet the consumer’s need, so brew...

Silkworm excrement, a byproduct of the sericulture industry, is rich in organic compounds and presents a sustainable substrate for enzyme production. This study investigates the potential of silkworm excrement as a substrate for pectinase production...

This study compared the decomposition effects of different microbial agents added to rice straw to screen for efficient and stable microbial agents and achieve effective utilization of rice straw resources. Different microbial agents can accelerate t...

Mandelic acid (MA) is a valuable α-hydroxy acid with applications in pharmaceuticals, cosmetics, and fine chemicals. While chemical synthesis is well established, concerns over toxicity and sustainability have driven interest in microbial produ...

Leachate management remains a major environmental challenge, especially in rapidly urbanizing cities of developing countries. Traditionally considered toxic and useless, it is a sustainable organic resource with the potential for high-value biochemic...

Large-scale commercial wine fermentation requires the monitoring and control of multiple variables to achieve optimal results. Challenges in measurement arise from turbidity, stratification in large unmixed volumes, the presence of grape skins and so...

Probiotics and phenolic compounds provide benefits to humans when they are consumed in adequate amounts. However, these materials are not very stable and can easily be degraded during processing and storage; so, they must be protected. This study eva...

Chitin deacetylase (CDA) plays a pivotal role in converting chitin to chitosan, yet industrial applications remain constrained by low enzymatic activity, instability under process conditions, and insufficient understanding of metalloenzyme activation...

Olive oil production generates vast quantities of by-products, with olive mill wastewater (OMW) being a particularly challenging effluent. Characterized by its dark color, high acidity, and rich composition of organic matter, phenolic compounds, and...

To better analyze the biosynthesis mechanism of cephalosporin C (CPC) in Acremonium chrysogenum, single-factor omission experiments and Plackett–Burman (PB) experimental design were employed to identify key components in the chemically defined...

The production of novel oligosaccharides with potential prebiotic effects is of interest to expand the current market and explore the effectiveness of new functional carbohydrate forms. The utilization of glucansucrases is a cost-effective and enviro...

Traditional fermented foods are appreciated worldwide for their cultural significance and health-promoting properties. However, traditional fermentation production suffers from many obstacles such as microbial variability, varying quality, and lack o...

Using additives in sugarcane silage can reduce dry matter losses and enhance animal performance by preserving nutritional value. This study evaluated the performance, nutrient digestibility, and blood parameters of sheep fed sugarcane silage with or...

This study investigated the role of indigenous inoculum (primarily sulfur-oxidizing Acidithiobacillus thiooxidans and other acidophilic bacteria) in heavy metal removal from sewage sludge (SS) and anaerobic digested sludge (ADS). Four treatments were...

Proteins are crucial for medicine, pharmaceuticals, food, and environmental applications since they are used in various fields such as synthesis of drugs, industrial enzyme production, biodegradable plastics, bioremediation processes, etc. Xylanase i...

Erythromycin fermentation residue (EFR) is difficult to dispose of due to its high content of macrolide erythromycin. An alternative economic method was proposed in this study for erythromycin elimination in EFR through volatile fatty acid (VFA) prod...

The presence of pesticide residues in wine raises concerns about consumer health and regulatory compliance. This study evaluates the behaviour of seven pesticides (boscalid, penconazole, tebufenozide, kresoxim-methyl, trifloxystrobin, chlorpyrifos an...

The accurate measurement of CO₂ concentration in fermentation off-gas is crucial for monitoring and optimizing bioprocesses, particularly in mammalian cell cultures. In this study, we successfully utilized Raman off-gas spectroscopy to achieve time-r...

The carbon-to-nitrogen (C/N) ratio is a critical player in microbial growth and metabolism. This study explored the effects of this ratio on caproic acid yield, electron efficiency, and microbial community composition in an anaerobic fermentation sys...

L-leucine, an essential amino acid which cannot be synthesized in mammals, has extensive applications in various fields. However, the large-scale production of L-leucine still faces various challenges in terms of strain and process optimization. In t...

Late gestation is a critical period for regulating maternal peripartum physiological metabolism and gut microbiota balance. Fermented diets have been widely recognized as effective exogenous nutritional interventions capable of modulating the mainten...

Probiotics play a significant role in human nutrition. Heat stress is one of the most important factors leading to the inactivation and loss of viability of probiotics during their production. Therefore, there is a need to develop probiotics that can...

Global demands for sustainable energy and advanced therapeutics necessitate innovative interdisciplinary solutions. Integrated biorefining emerges as a strategic response, enabling the co-production of biofuels and pharmaceutical compounds through bi...

Feed fermented by various strains of Lactobacillus plantarum (LP) produces distinct biologically active substances. This study systematically evaluates the growth performance, gut microbiota modulation, and immune response parameters in Muscovy ducks...

Vin Santo is a passito wine produced mainly in Tuscany. In the traditional production of Vin Santo, fermentation occurs naturally. Only a few reports have explored the microbial ecology of Vin Santo. Therefore, the present study aimed to investigate...

Ensilage is an efficient storage method for preserving maize stalks for use as biogas feedstocks. However, maize stalk silages are susceptible to secondary fermentation, which degrades feedstock quality. This study explored the effects of ensilage an...

This paper presents an improved methodology for optimizing the fed-batch fermentation process of xylitol production, aiming to maximize the final concentration in a bioreactor co-fed with xylose and glucose. Xylitol is a valuable sugar alcohol widely...