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Supervisor: Dr. Trust Beta
E-mail: LIW1@cc.umanitoba.ca
Current research work
Current research focuses on bioactivity of grain and food for health benefit, especially effect of natural antioxidants on preventing diseases and improving health.
Recent publications
1. Li, W.; Hosseinian, F. S.; Hydamaka, A. W.; Lowry, L.; & Beta, T. (2008) The potential of Manitoba chokecherry as a source of high natural antioxidants. NaturePrecedings, Available at http://hdl.handle.net/10101/npre.2008.1529.1
2. Hosseinian, F. S.; Li, W.; & Beta, T. (2008) Measurement of anthocyanins and other phytochemicals in purple wheat. Food Chemistry, 109 (4): 916-924.
3. Li, W.; Pickard, M. D.; & Beta, T. (2007) Evaluation of antioxidant activity and electronic taste and aroma properties of antho-beers from purple wheat grain. Journal of Agricultural and Food Chemistry, 55 (22): 8958-8966.
4. Hosseinian, F. S.; Li, W.; Hydamaka, A. W.; Tsopmo, A; Lowry, L.; Friel, J.; & Beta, T. (2007) Proanthocyanidin profile and ORAC values of Manitoban Berries, Chokecherries and Seabuckthorn. Journal of Agricultural and Food Chemistry, 55 (17): 6970-6976.
5. Hu, C.; Cai, Y. Z.; Li, W.; Corke, H.; & Kitts, D. D. (2007) Anthocyanin characterization and bioactivity assessment of a dark blue grained wheat (Triticum aestivum L. cv. Hedong Wumai) extract. Food Chemistry, 104(3): 955-961.
6. Li, W.; Beta, T.; & Corke, H. (2007) Kinetics of hydrolysis and changes in amylose content during preparation of microcrystalline starch from high amylose maize starches. Carbohydrate Polymers, 69(2): 398-405.
7. Li, W.; Pickard, M. D.; & Beta, T. (2007) Effect of thermal processing on antioxidant properties of purple wheat bran. Food Chemistry, 104(3): 1080-1086.
8. Li, W.; Wei, C. (Victor); White, P. J.; & Beta, T. (2007) High-amylose corn exhibits better antioxidant activity than typical and waxy genotypes. Journal of Agricultural and Food Chemistry, 55 (2), 291-298.
9. Li, W.; Beta, T.; Sun, S. C.; & Corke, H. (2006) Protein characteristics of Chinese black-grained wheat. Food Chemistry, 98 (3):463-472.
10. Li, W.; Shan, F.; Sun, S. C.; Corke, H.; & Beta, T. (2005) Free radical scavenging properties and phenolic content of Chinese black-grained wheat. Journal of Agricultural and Food Chemistry, 53(22): 8533-8536.
Patents
1. China Patent: Patent Number ZL01126023. Soy sauce made from black-seed wheat and its brewing method. Inventors: Yang, J.; Wei, X.; Chu, X.; & Li, W.
2. China Patent: Patent Number ZL99118218. Processing methods of functional walnut protein powder and its oil. Inventors: Li, W.; Shen, L.; Wu, C.; & Lin, R.
Recent conference presentations
1. LI, W.; Pickard, M. D.; & Beta, T. (2008) Evaluation of antioxidant capacity and aroma quality of purple berry flour bread (poster presentation), 2008 AACC International Annual Meeting (Diversity of Grains), September 21–24, 2008 in Honolulu, Hawaii, USA.
2.Li, W.; Hydamaka, A. W.; & Beta, T. (2008) Evaluation of phenolic acid composition of various fruits grown in Manitoba (presentation). 2008 Ferulate Conference, August 25-27 in Saint Paul, Minnesota, USA.
3. Li, W.; Pickard, M. D.; & Beta, T. (2007) Antioxidant activity and quality of Antho-beers (poster presentation). Science and Joy of Canadian Barley and Beer Conference, June 25-29 in Winnipeg, Manitoba, Canada.
4. Li, W., Hydamaka, A., Lowry, L., & Beta, T. (2007) Antioxidant activities of Manitoba fruits (presentation). 2007 Institute of Food Technologists Annual Meeting, 28 July–1 August in Chicago, Illinois, USA.
5. Li, W.; Beta, T.; & Corke, H. (2006) Glucooligosaccharide production and kinetics of hydrolysis during the preparation of microcrystalline maize starch (presentation). 2006 Plant Polysaccharide Workshop (Carbohydrates for Food and Fuel), September 21–23 in Winnipeg, Manitoba, Canada.
6. Li, W.; White, P. J.; Bern, C. J.; & Beta, T. (2006) Antioxidant activity of typical and mutant corn genotypes (poster presentation), 2006 AACC International Annual Meeting(World Grains Summit: Foods and Beverages), September 17-20 in San Francisco, CA. USA.
7. Wei, C. (Victor); Li, W.; Wan, Y. Ser; & Beta, T. (2005) An Optimized Method for the Determination of Phenolic Acids by HPLC (poster presentation). 2005 AACC International Annual Meeting, September 11-14 in Orlando, Florida, USA.
8. Li, W.; Beta, T.; Sun, S.; & Corke, H. (2005) Evaluation of antioxidant activity of black seed wheat (poster presentation, P-324). 2005 AACC International Annual Meeting, September 11-14 in Orlando, Florida, USA.
9. Li, W., & Beta, T. (2005) Estimating antioxidant activity by a modified DPPH radical method (presentation). 2005 Mid Canada AOAC Day, June 16 in Winnipeg, Manitoba, Canada. |
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