Dr Cheung Yi-ching, Anna Teaching Fellow

Location Y859
Phone +852 3400 8795
mail annayc.cheung@polyu.edu.hk








Education and Academic Qualifications Doctor of Philosophy, The Hong Kong Polytechnic University
Bachelor of Science in Chemical Technology, The Hong Kong Polytechnic University




Research Overview My research study is focusing on the following areas:? (1) Application of innovative food processing techniques, like high-power ultrasound (US), for the processing and modification of bioactive compounds from medicinal fungi.? (2) Product development based on various food processing techniques and sensory evaluation analysis. (3) Health promotion in community?




Research Interests
Food Technology
Food Science Application
Chinese Medicinal Materials
Ultrasonication
Sensory Evaluation Analysis



Achievements

Awards
2nd runner up, Graduate Student Poster Competition (International Individual Division), International Conference IFT Annual Meeting & Food Expo 2013



Representative Publications
Wang, Z.M.,Cheung, Y.C., Leung, P.H., Wu, J.Y. (2010) Ultrasonic treatment for improved solution properties of a high-molecular weight exopolysaccharide produced by a medicinal fungus. Bioresource Technology, 101, 5517-5522.
Cheung, Y.C., Siu, K.C., Liu, Y.S., Wu, J.Y. (2012) Molecular properties and antioxidant activities of polysaccharide–protein complexes from selected mushrooms by ultrasound-assisted extraction. Process Biochemistry, 47, 892-895.
Cheung, Y.C.,Siu, K.C., Liu, Y.S., Wu, J.Y. (2013) Kinetic Models for Ultrasound-Assisted Extraction of Water-Soluble Components and Polysaccharides from Medicinal Fungi. Food and Bioprocess Technology, (DOI) 10.1007/s11947-012-0929-z.
Cheung, Y.C., Wu, J.Y. (2013) Kinetic models and process parameters for ultrasound-assisted extraction of water-soluble components and polysaccharides from a medicinal fungus. Biochemical Engineering Journal, 79, 214-220.
Chen, X., Siu, K.C.,Cheung, Y.C., Wu, J.Y. (2014) Structure and properties of a (1→3)-β-d-glucan from ultrasound-degraded exopolysaccharides of a medicinal fungus. Carbohydrate Polymers, 106, 270-275.
Cheung, Y.C., Liu, X.X., Wang, W.Q., Wu, J.Y. (2015) Ultrasonic disruption of fungal mycelia for efficient recovery of polysaccharide–protein complexes from viscous fermentation broth of a medicinal fungus. Ultrasonics Sonochemistry, 22, 243-248.
Cheung, Y.C., Yin, J.Y., Wu, J.Y. (2018) Effect of polysaccharide chain conformation on ultrasonic degradation of curdlan in alkaline solution. Carbohydrate Polymers, 195, 298-302.