Associate Professor and General Mills Endowed Land Grant Chair in Cereal Chemistry and Technology
Department of Food Science and Nutrition
Address: 145 FScN
Phone: 612-624-1764
Fax: (612) 625-5272
mbunzel@umn.edu

• Plant cell wall chemistry
• Dietary fiber
• Relationship between fiber structural characteristics and physiological effects
• Phytochemicals, particularly hydroxycinnamates, in cereal grains and other plant products
• Lignins from dietary fiber
• Non-starch polysaccharides
• Chromatographic separation techniques
• Structural characterization methods

• FScN 8335 (Carbohydrate Chemistry in Food and Nutrition)
• FScN 4111 (Food Chemistry)
• FScN 5531 (Grains: Introduction to Cereal Chemistry and Technology)

Bunzel, M., Allerdings, E., Ralph, J., Steinhart, H. 2008. Cross-linking of arabinoxylans via 8-8-coupled diferulates as demonstrated by isolation and identification of diarabinosyl 8-8(cyclic)-dehydrodiferulate from maize bran. Journal of Cereal Science. 47(1):29-40.

Funk, C., Braune, A., Grabber, J.H., Steinhart, H., Bunzell, M. 2007. Model studies of lignified fiber fermentation by human fecal microbiota and its impact on heterocyclic aromatic amine adsorption. Mutation Research. 624:41-48

Funk, C.; Braune, A.; Grabber, J.H.; Steinhart, H.; Bunzel, M. 2007. Moderate ferulate and diferulate levels do not impede maize cell wall degradation by human intestinal microbiota. J. Agric. Food Chem. 55, 2418-2423.

Gniechwitz, D.; Reichardt, N.; Blaut, M.; Steinhart, H.; Bunzel, M. 2007.  Dietary fiber from coffee beverage - degradation by human fecal microbiota. J. Agric. Food Chem. 55, 6989-6996.

Allerdings, E.; Ralph, J.; Steinhart, H.; Bunzel, M. 2006.  Isolation and structural identification of complex feruloylated heteroxylan side-chains from maize bran. Phytochemistry.  67, 1276-1286.

Bunzel, M.; Ralph, J. 2006.  NMR characterization of lignins isolated from fruit and vegetable insoluble dietary fiber. J. Agric. Food Chem. 54, 8352-8361.

Bunzel, M.; Ralph, J.; Bruening, P.; Steinhart, M. 2006.  Structural identification of dehydrotriferulic and dehydrotetraferulic acids isolated from insoluble maize fiber. J. Agric. Food Chem. 54, 6409-6418.

Funk, C.; Weber, P.; Thilker, J.; Grabber, J.H.; Steinhart, H.; Bunzel, M. 2006.  Influence of lignification and feruloylation of maize cell walls on the adsorption of heterocyclic aromatic amines. J. Agric. Food Chem.  54, 1860-1867.

Schatz, P.F.; Ralph, J.; Lu, F.; Guzei, I.A., Bunzel, M. 2006.  Synthesis and identification of 2,5-bis-(4-hydroxy-3-methoxyphenyl)-tetrahydrofuran-3,4-dicarboxylic acid, an unanticipated ferulate 8–8-coupling product acylating cereal plant cell walls. Org. Biomol. Chem. 4, 2801-2806.

Allerdings, E.; Ralph, J.; Gniechwitz, D.; Steinhart, H.; Bunzel, M. 2005Isolation and structural identification of a 8-O-4´-dehydrodiferulic acid-di-arabinoside from maize bran. Phytochemistry.  66, 113-124.

Bunzel, M.; Ralph, J.; Funk, C.; Steinhart, H. 2005.  Structural elucidation of new ferulic acid-containing dimers and trimers isolated from maize bran. Tetrahedron Lett. 46, 5845-5850.

Bunzel, M.; Ralph, J.; Steinhart, H. 2005.  Association of non-starch polysaccharides and ferulic acid in grain amaranth (Amaranthus caudatus L.) dietary fiber. Mol. Nutr. Food Res. 49, 551-559.

Bunzel, M.; Seiler, A.; Steinhart, H. 2005.  Characterization of dietary fiber lignins from vegetables and fruits using the DFRC method. J. Agric. Food. Chem. 53, 9553-9559.

Funk, C.; Ralph, J.; Steinhart, H.; Bunzel, M. 2005.  Isolation and structural characterisation of 8-O-4/8-O-4- and 8-O-4/8-8-coupled dehydrotriferulic acids from maize bran. Phytochemistry 66, 363-371.

• American Association of Cereal Chemists
• German Chemical Society (GDCh)

09/2006 - Kurt-Täufel Award for Young Scientists from the German Society of Food Chemistry (Member of the German Chemical Society) (“Kurt-Täufel-Preis des Jungen Wissenschaftlers der Lebensmittelchemischen Gesellschaft”)

03/2004 - Scientific Award of the German Society for Quality Research of Plant-Based Foods ("Förderpreis für Nachwuchswissenschaftler der Deutschen Gesellschaft für Qualitätsforschung (Pflanzliche Nahrungsmittel) DGQ e.V.")

01/2002 - Scientific Award of the German Bakery Industries 2002 ("Wissenschaftlicher Förderpreis des Verbandes Deutscher Großbäckereien e.V.")

01/2002 - Unilever-Research-Award 2001 ("Innovationspreis der UNION Deutsche Lebensmittelwerke")

09/2000 - Joseph Schormüller-Scholarship