单语范例（未经PONS编辑处理）
In general, instant yeast has a small amount of ascorbic acid added as a preservative.
en.wikipedia.org In the synthesis of collagen, ascorbic acid is required as a cofactor for prolyl hydroxylase and lysyl hydroxylase.
en.wikipedia.org A hydrazine inhibitor is initially added to the neptunium feed solution to protect the neptunium and ascorbic acid from decay.
en.wikipedia.org Other supplements may also be needed, including: cobalamin, ascorbic acid, folic acid, nicotinamide, zinc, phosphorus (dicalcium phosphate) and in some cases taurine, especially suitable when there cardiocirculatory impairment.
en.wikipedia.org This ration of grog helped make these sailors some of the healthiest at the time due to the ascorbic acid's ability to prevent scurvy.
en.wikipedia.org