INTRODUCTION
Struchium sparganophora (Linn.) Ktze. commonly called water bitter leaf and locally called “ewuro odo” in the south western Nigeria belongs to the Asteraceae Family. S. sparganophora is a water plant consumed as a leafy vegetable in Nigeria. Vegetables play significant role in human nutrition, especially as a source of vitamins, minerals and dietary fibre. Vegetables contain compounds that are valuable antioxidants and protectants. The main protective action of vegetables has been attributed to the presence of antioxidants, especially antioxidants vitamins and phenolic compounds such as flavonoids