Remove the lemon skins from the liquid and stir in the potassium sorbate. The potassium acts as a preservative.

将柠檬碎屑从液体中取出来，加入山梨酸钾搅拌。山梨酸钾可以发挥防腐剂的作用。

The inhibition activities of aqueous extract of Momordica Charantia Linn and potassium sorbate to some food polluted microorganisms were studied.

测定和比较了苦瓜水提物和山梨酸钾对几种常见食品污染微生物的抑菌活性。