- Phytochemicals and Antioxidant Activities
- Anaerobic Digestion and Biogas Production
- Fermentation and Sensory Analysis
- Biofuel production and bioconversion
- Genomics and Phylogenetic Studies
- Microbial Community Ecology and Physiology
- Pancreatic function and diabetes
- Food Quality and Safety Studies
- Maritime Navigation and Safety
- Genomics, phytochemicals, and oxidative stress
- Growth Hormone and Insulin-like Growth Factors
- Diet, Metabolism, and Disease
- Antioxidant Activity and Oxidative Stress
- Natural Antidiabetic Agents Studies
- Diet and metabolism studies
- Vehicle Routing Optimization Methods
- Genetic and phenotypic traits in livestock
- Pancreatitis Pathology and Treatment
- Microbial Metabolic Engineering and Bioproduction
- Maritime Ports and Logistics
- Protein Hydrolysis and Bioactive Peptides
- Animal Behavior and Welfare Studies
- Neuropeptides and Animal Physiology
- Agriculture Sustainability and Environmental Impact
- Microbial metabolism and enzyme function
Helmholtz Centre for Environmental Research
2018-2023
Ingenieurgesellschaft Auto und Verkehr (Germany)
2023
University of Kaiserslautern
1995-2022
Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau
2022
Universidade Federal do Paraná
1993
Universidade Federal do Rio Grande do Sul
1993
University of Illinois Urbana-Champaign
1969
Analyzing microbial communities using metagenomes is a powerful approach to understand compositional structures and functional connections in anaerobic digestion (AD) microbiomes. Whereas short-read sequencing approaches based on the Illumina platform result highly fragmented metagenomes, long-read leads more contiguous assemblies. To evaluate performance of hybrid these two we compared metagenome-assembled genomes (MAGs) resulting from five AD microbiome samples. The samples were taken...
For biogas-producing continuous stirred tank reactors, an increase in dilution rate increases the methane production as long substrate input can be converted fully. However, higher rates necessitate specific microbial growth rates, which are assumed to have a strong impact on apparent biomass yield due cellular maintenance. To test this, we operated two reactors at 37°C parallel of 0.18 and 0.07 days-1 (hydraulic retention times 5.5 14 days, doubling 3.9 9.9 days steady state) with identical...
Generating chemical energy carriers and bulk chemicals from solar by microbial metabolic capacities is a promising technology. In this long-term study of over 500 days, methane was produced community that fed the mono-substrate glycolate, which derived engineered algae. The structure measured on single cell level using flow cytometry. Abiotic operational reactor parameters were analyzed in parallel. R-based tool flowCyBar facilitated visualization dynamics indicated sub-communities involved...
With a yearly production of about 39 million tons, brewer’s spent grain (BSG) is the most abundant brewing industry byproduct. Because it rich in fiber and protein, commonly used as cattle feed but could also be within human diet. Additionally, contains many bioactive substances such hydroxycinnamic acids that are known to antioxidants potent inhibitors enzymes glucose metabolism. Therefore, our study aim was prepare different extracts—A1-A7 (solid-liquid extraction with 60% acetone);...
Hordatines are a characteristic class of secondary metabolites found in barley which have been reported to be present malt, beer and, recently, brewer´s spent grain (BSG). However, little is known about their biological activities such as antioxidative effects or antifungal activity main task within the plants. We conducted an vitro investigation hordatines isolated from BSG towards enzymes glucose metabolism. Hordatine-rich fractions were prepared by solid-liquid extraction (SLE) with 60%...
Abstract Brewer's spent grain (BSG) is a major by‐product of the brewing industry which generated in high amounts. In recent years, sustainable food production has become more and important. BSG mainly used as cattle feed gained interest due to not only its valuable ingredients such fiber proteins but also secondary metabolites remaining after process known for many biological effects. present study, various methods were applied, acetone extraction (A), alkaline hydrolysis followed by ethyl...
Polyphenols from fruits and other plant sources exhibit protective effects against DNA damage markers of oxidative stress. Meanwhile, previous investigations tested rather large volumes polyphenol-rich fruit juices; hence, there is a lack information on the efficacy small-volume supplementation concepts suitable for daily routine. We designed 6-week pilot study use such food supplement (aronia+) including ten healthy male volunteers integrity, oxidation-related parameters (Nrf2, SOD, GPx,...
Metagenomics analysis revealing the composition and functional repertoire of complex microbial communities typically relies on large amounts sequence data. Numerous strategies computational tools are available for their analysis. Fully integrated automated pipelines such as MG-RAST or MEGAN6 user-friendly but not designed integrating specific knowledge biological system under study. In order to facilitate consideration knowledge, we introduce a modular, adaptable pipeline combining existing...