US Patent 11096408 Yeast extract having taste-enhancing effect

The present invention addresses enhancing a taste of common processed food and drink without imparting a foreign taste and without increasing calories or sodium content. In such a case, a substance added to the common processed food and drink is preferably a common foodstuff, and preferably has a high degree of safety. A yeast extract having a peptide content of 5 wt % or more, an RNA content of 5 wt % or more, a free amino acid content of 4 wt % or less, and more preferably having a dietary fiber content of 15 wt % or more is added in an appropriate amount to the common processed food and drink.