Ikeda continued to work / with glutamate.
He wanted to use / this natural amino acid / to make food / more delicious.
He was looking for a way / to make umami / similar to salt / or sugar / - an additive to flavor food.
Finally, / he isolated the glutamate / and found / that he could add salt / (sodium) / to it.
Monosodium glutamate, / or MSG, / was the food additive / he was looking for.
It produced / the fifth taste.