Kemuning contains several compounds of the isolated coumarin class such as pranferin, murrangatin, murralonginal, isopropylidene and murrmeranzin.
Leaf yellow can be used to treat diarrhea, toothache, irregular menstruation, inflammation of the testicles, urinary tract infections, slimming, dysentery etc.
To treat urinary tract infections, prepare fresh yellow leaves approximately 35 grams washed and then add 3 cups water. Boil until half water is left. After the cold, the leaves are filtered and can be taken 3 times a day.