Ratchadaporn was born in Nakhon Panom province, Thailand, in 1965. She received her BSc (nursing) from Khonkaen University in 1997. She received her MSc. (food science) from Dalhousie University, Canada in 2000. She earned her PhD in food technology from the Suranaree University of Technology in Thailand through a consortium program with Purdue University, USA. She specializes in food rheology, nutraceuticals and functional properties, and the phytochemistry of medicinal plants and vegetables.