Some embodiments provide a method for removing purine compounds from a fluid mixture. The purines removed from the fluid mixture can be represented by a purine compound of the following formula:.Other embodiments include an ion-exchange, and/or a SCX ion exchange polymer able to remove the desired purine compound from a fluid mixture, while retaining flavor compounds. Other embodiments include adding additional materials to adjust the pH of the fluid mixture.一些實施例提供了一種自流體混合物中移除嘌呤化合物之方法。自該流體混合物中移除之嘌呤可用下式之嘌呤化合物表示：。另一些實施例包括能夠自流體混合物中移除期望的嘌呤化合物，同時保留風味化合物之離子交換聚合物及/或SCX離子交換聚合物。另一些實施例包括加入附加材料以調節該流體混合物之pH。
