Anja Kuenz

ORCID: 0000-0003-3857-0108
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About
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Research Areas
  • Biofuel production and bioconversion
  • Microbial Metabolic Engineering and Bioproduction
  • Enzyme Catalysis and Immobilization
  • biodegradable polymer synthesis and properties
  • Catalysis for Biomass Conversion
  • Protein Hydrolysis and Bioactive Peptides
  • Microbial Metabolites in Food Biotechnology
  • Algal biology and biofuel production
  • Fungal and yeast genetics research
  • Fungal Biology and Applications
  • Viral Infectious Diseases and Gene Expression in Insects
  • Agriculture Sustainability and Environmental Impact
  • Innovative Microfluidic and Catalytic Techniques Innovation
  • Agriculture, Land Use, Rural Development
  • Innovation and Socioeconomic Development
  • Agricultural risk and resilience
  • Microbial Community Ecology and Physiology
  • Polysaccharides and Plant Cell Walls
  • Medicinal Plants and Bioactive Compounds
  • Phytochemistry and Bioactivity Studies
  • Polyoxometalates: Synthesis and Applications
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Diatoms and Algae Research
  • Carbon dioxide utilization in catalysis
  • Agricultural Innovations and Practices

Johann Heinrich von Thünen-Institut
2012-2023

Technische Universität Braunschweig
2012-2017

Institute of Agricultural Engineering
2014-2017

For the first time, nutritional requirements including effects of yeast extract on the<sc>d</sc>-lactic acid production by<italic>Sporolactobacillus inulinus</italic>are presented.

10.1039/c7gc01796k article EN Green Chemistry 2017-01-01

Itaconic acid is an industrial produced chemical by the sensitive filamentous fungus Aspergillus terreus and can replace petrochemical-based monomers for polymer industry. To produce itaconic with alternative renewable substrates, such as lignocellulosic based hydrolysates, a robust microorganism needed due to varying compositions impurities. producing basidiomycetous yeasts of family Ustilaginaceae provide this required characteristic species Ustilago rabenhorstiana was examined in study....

10.3390/fermentation6010004 article EN cc-by Fermentation 2020-01-02

With the transition to bio-based economy, it is becoming increasingly important for chemical industry obtain basic chemicals from renewable raw materials. Succinic acid, one of most building block chemicals, used in food and pharmaceutical industries, as well field plastics. An alternative process production succinic acid was main objective this study, focusing on biotechnological using a newly isolated organism. Pure glycerol compared crude glycerol, at lowest purity, directly biodiesel...

10.3390/catal10050470 article EN Catalysts 2020-04-25

Lactic acid is a building block for polylactic acid, which one of the most promising polymers based on renewable resources and used mainly in packaging industry. This bio-based polymer biodegradable provides an ecological economical alternative to petrochemical plastics. The largest cost blocks biotechnological lactic production, accounting up 38% total costs, are substrate nutrient sources, such as peptone, meat, yeast extract. Based systematic analysis nutritional requirements,...

10.3390/fermentation6040097 article EN cc-by Fermentation 2020-10-06

Due to limited fossil resources and climate change, biotechnological processes converting renewable into industrial raw materials are increasingly important. Many of these require yeast extract for microorganism growth, a high-cost factor. Therefore, the use inexpensive, protein-rich agricultural as source nutrients is desirable. However, their usage usually results in lower product concentrations productivity fermentation process. This work investigates nutritional requirements production...

10.3390/sci7020050 article EN cc-by Sci 2025-04-16

d-lactic acid is a building block for heat resistant polylactic acid, biobased polymer with high potential. Nevertheless, an economically efficient industrial process production still needs to be implemented. Yeast extract expensive nutrient source, which used fulfill the complex nutritional requirements in lactic fermentations. The substitution of yeast by cheap alternative sources challenge many fermentation processes. In this study, chemical and enzymatic hydrolysis techniques protein...

10.3390/fermentation5010012 article EN cc-by Fermentation 2019-01-23

Abstract This special issue presents the outcomes from “ Designing sustainable and circular agricultural systems for year 2100 ,” joint scientific workshop of ISOFAR, Thünen-Institute, INRA-Morocco, which was held November 14 to 16, 2019 in Marrakesh, Morocco. Nineteen scientists a broad array background nationalities came together with understanding that food security globally is at risk, especially post-2050 timeframe. Current concepts, strategies, measures, efforts carried out by...

10.1007/s13165-021-00356-0 article EN cc-by Organic Agriculture 2021-05-06

10.1007/s00253-016-7849-1 article EN Applied Microbiology and Biotechnology 2016-09-29

Fumaric acid is a promising monomer to obtain biomass-based polyesters and polyamides, it mainly produced by fungi of the Rhizopus genus in medium high titters. The use glucose, main component starchy cellulosic food waste, as carbon source, together with low-nitrogen source concentration, route reduce process costs. In this work, effects nitrogen carbonate sources on arrhizus NRRL 1526 morphology fumaric productivity were analysed, simplifying traditional production broth composition....

10.3390/fermentation8020064 article EN cc-by Fermentation 2022-01-30

Biotechnologically produced 2,3-butanediol (2,3-BDO) is a potential starting material for industrial bulk chemicals, such as butadiene or methyl ethyl ketone, which are currently from fossil feedstocks. So far, the highest 2,3-BDO concentrations have been obtained with risk class 2 microorganisms and pure glucose substrate. However, stays in competition to food feed industries, lot of effort has done last years finding efficient alternative substrates. Thereby xylose hydrolysed wood...

10.3390/fermentation6030086 article EN cc-by Fermentation 2020-09-02

Abstract For feeding the world in 2100, global agriculture, entire food chain, as well behavior of all consumers must be change fundamentally. Essential resources needed to intensify agriculture and use barren land, such phosphorus, water, fossil fuels, are becoming increasingly scarce expensive. An ecological form that uses these more responsibly requires land for same yields. Therefore, new concepts feed production have developed, which nutrients recycled beyond areas. A possible starting...

10.1007/s13165-020-00308-0 article EN cc-by Organic Agriculture 2020-05-30

Abstract Supplementation of vitamin B2 (riboflavin) in poultry feeding is essential. For economic and environmental reasons, riboflavin now produced biotechnologically, which, most industrial production, based on genetically modified organisms (GMOs). Due to legislation, organic animals must be fed with GMO-free feeds, which also applies the production processes additives feed. Therefore, main objective experiments this paper screening wild-type yeast strains overproducing as a starting...

10.1007/s13165-023-00435-4 article EN cc-by Organic Agriculture 2023-06-16
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