acidulate

The fruit of this plant is a red pod filled with seeds imbedded in a soft pulp, it is slightly acidulate and astringent.

A cup of roselle juice diluted is better to acidulate with than the lemon juice.

Acidulate the filtered fluid slightly with hydrochloric acid, evaporate it to the bulk of 1⁄2 an ounce, and let it cool.

If tomatoes are not used, acidulate a combination of tomatoes, eggplant, and peppers.