tartralic
/ˌtɑːtrəˈlɪk/ or /tɑːtrəˈlɪk/Definitions
1. adjective
Relating to or derived from tartaric acid or its salts.
“The tartralic crystals were extracted from the natural mineral water.”
2. noun
A salt of tartaric acid, especially potassium bitartrate.
“The food additive was identified as a common tartralic preservative.”