Cosmos caudatus, which is a commonly consumed vegetable in Malaysia, is locally known as “UlamRaja”. It is a localMalaysian herb traditionally used as a food andmedicinal herb to treat severalmaladies. Its bioactive or nutritional constituents consist of awide range ofmetabolites,including glucosinolates, phenolics, amino acids, organic acids, and sugars. However, many of these metabolites …