Stephan Sommer



Assistant Extension Professor of Food Science & State Extension Specialist for Enology

Division of Food, Nutrition & Exercise Sciences (FNES)

Research at a glance

Area(s) of Expertise

Research Summary

Stephan Sommer has an extension appointment related to grape processing and winemaking. Extension objectives include establishing a service laboratory for grapes and wine, enhancing the overall quality of wine in Missouri, and developing innovative winemaking techniques for new grape cultivars. Applied research objectives include all aspects of wine stability, beverage microbiology, and wine aging.

  • Physical stability and shelf-life on wine
  • Microbial communities and interactions in fermentations
  • Additives and technical treatment options in wine
  • Sustainable winery waste and wastewater treatment options
  • Value added products from winery waste

Educational background

  • Ph.D., Microbiology, University of Mainz, Germany