花膠是魚鰾的乾製品，而魚鰾是魚的器官之一，負責控制魚類自由浮沉、輔助呼吸的重要器官，因為存在於魚肚中，也讓花膠有魚肚、魚膠、魚鰾等別名，花膠雖然含膠原蛋白，但也可能含有一定量的嘌呤，痛風或尿酸高的人應謹慎食用，以免誘發症狀。品質好的�

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