Research interests
Associate Professor Benu Adhikari’s research interests cover various aspects of food engineering and processing.
Food engineering: Research on this theme covers the physical and engineering properties of foods and how these properties change with industrially prevailing processing conditions; for example, how the rheological, thermal and mass transfer characteristics change due to temperature, pressure and humidity and mechanical stresses.
Food emulsions: This theme covers simple o/w, w/o emulsions and also complex emulsions, such as o/w/o and w/o/w. The interfacial behaviour of many surface active agents, such as proteins and low molecular weight surfactants at the oil–water and water–air interfaces, are investigated to considerable detail. The stability of emulsions of both micro and nano emulsions are also investigated.
Micro/nano encapsulation: This theme includes encapsulation of oxygen- and heat-sensitive food ingredients and microbes especially in protein, carbohydrate and protein–carbohydrate complexes. Current research projects include microencapsulation of chia seed oil and flaxseed oil in chia seed protein–chia seed gum complex coacervates and flaxseed protein–flaxseed gum complex coacervates, respectively.
Biodegradable packaging: This theme covers development of novel biodegradable packaging from starch, cellulose and derivatives and starch-polyurethane composites. The major thrust of research is creating hydrophobicity in these packaging materials.
Food powders/food drying: This theme covers the particle-formation process of many food components, including proteins, gums and sugars. A current research project includes production of lactoferrin and other protein powders using spray drying. Studies on production and characterisation of nanoparticles/powders also fall under this theme.
Structure–function in foods (food proteins and carbohydrates): This theme includes investigations of structure–function-process interrelationships of major food compounds, such as proteins, gums, gels and emulsions. Texture analysis and rheological studies fall under this theme.