Dr. Luke Howard
ProfessorPhone: (479) 575-2978
Email: lukeh@uark.edu
Department of Food Science
2650 N Young Ave., N-206
University of Arkansas
Fayetteville, AR 72704
Education
- PhD: University of Arkansas, Food Science
- MS: University of Arkansas, Food Science
- BS: Purdue University, Horticulture Production
Courses Taught
Research Emphasis
Functional Foods Research Program
Effect of processing on color, flavor, texture, and nutrient content of horticulture crops; identification and characterization of bioactive phytonutrients and antioxidant capacity in horticultural and cereal crops; and critical fluid technologies for extraction of phytonutrients.
Publications
• Howard. L.R. and Hager, T.J. Berry fruit phytochemicals. In: Berry Fruit: Value-Added
Products for Health Promotion. Y. Zhao (ed.) CRC Press, Boca Raton, FL, 2007.
• Perkins-Veazie, P, Collins, J.K. and Howard, L. 2008. Blueberry fruit response to postharvest application of ultraviolet radiation. Postharv. Biol. Technol. 47:280-285.
• Hager, T.J., Howard, L.R. and Prior, R.L. 2008. Processing and storage effects on monomeric anthocyanins, percent polymeric color and antioxidant capacity of processed blackberry products. J. Agric. Food Chem. 56:689-695.
• Hager, T.J., Howard, L.R., Liyanage, R., Lay, J.O. and Prior, R.L. 2008. Ellagitannin composition of blackberry as determined by HPLC-ESI-MS and MALDI-TOF-MS. J. Agric. Food Chem. 56:661-669.
• Prior, R.L., Wu, X., Gu, L., Hager, T., Hager, A. and Howard, L.R. 2008. Whole berries versus berry anthocyanins: interactions with dietary fat levels in the C57BL/6J mouse model of obesity. J. Agric. Food Chem. 56:647-653.
• Cefalu, W.T., Ye, J., Zuberi, A., Ribnicky, D., Raskin, I., Liu, Z., Wang, Z.Q., Brantley, P.J., Howard, L and Lafevre, M. 2008. Botanicals and the metabolic syndrome. Am. J. Clin. Nutr. 87:481S-487S.
• Pandjaitan, N. and Howard, L.R. 2008. Pressurized solvent extraction of flavonoids from spinach. J. Food Sci. 73:C151-C157.
• Lafevre, M., Wiles, J.E., Zhang, X., Howard, LR., Gupta, S., Smith, A.A., Ju, Z.Y. and Delany, J.P. 2008. Gene expression microarray analysis of the effects of grape anthocyanins in mice-A test of an hypothesis generating paradigm. Metabol. Clin. Exp. 57:S52-S57.
• Cho, M.J., Howard, L.R., Prior, R.L. and Morelock, T. 2008. Flavonoid content and antioxidant capacity of spinach genotypes determined by high performance liquid chromatography/mass spectrometry. J. Sci. Food Agric. 88:1099-1106.
• Brownmiller, C., Howard, L.R. and Prior, R.L. 2008. Processing and storage effects on monomeric anthocyanins, percent polymeric color and antioxidant capacity of processed blueberry products. J. Food Sci. 73:H72-H79.
• Weber, C.A., Perkins-Veazie, P., Moore, P.P. and Howard, L. 2008. Variability of antioxidant content in raspberry cultivars. Acta Hort. 777:493-498.
• Moore, P.P., Perkins-Veazie, P., Weber, C.A. and Howard, L. 2008. Environmental effect on antioxidant content of ten raspberry cultivars. Acta Hort. 777:499-504.
• Howard, L.R. Processing techniques and their effect on fruit and vegetable phytochemicals. In: Improving the health promoting properties of fruit and vegetable products, T. Barberan and M.I. Gil (eds.). Woodhead Publishing, Ltd, Cambridge, UK, 2008.