D(-)-Tartaric acid 存在于许多植物中，特别是罗望子和葡萄，口服后通过与碳酸氢钠相互作用产生二氧化碳。二氧化碳会延伸胃部并在双造影射线照相期间提供负造影剂。

D(-)-Tartaric acid found in many plants, particularly tamarinds and grapes,it is used to generate carbon dioxide through interaction with sodium bicarbonate following oral administration. Carbon dioxide extends the stomach and provides a negative contrast medium during double contrast radiography.

526-83-0

C4H6O6

150.086

D(-)-Tartaric acid

DMSO:10 mM
Powder: -20°C for 3 years
In solvent: -80°C for 2 years