中药汤如何保存有讲究

2025-04-01 18:34:21
推荐回答(1个)
回答1:

专家表示,汤剂煎好以后,应立即滤取药汁,不宜久置锅中,以防含胶体过多的药液,遇冷产生胶凝,增加过滤困难,同时亦易酸败。在滤取药液时,可加压过滤,尽量减少药渣中残留量,以保持疗效。 此外,汤药煎好后,在一天内服完为好。有些人煎煮中药,喜欢把药液分成几次吃,当天服不完,就留到次日服,从医疗卫生角度来看,这样做并不科学,甚至是有害的。 原来,中药里含有淀粉、糖类、蛋白质、维生素、挥发油、氨基酸和各种酶、微量元素等多种成分,煎煮时这些成分大部分溶解在汤药汁里。一般服法是趁温热时先服一半,4~6小时后再服一半。如果过夜服用或存放过久,不但药效降低,而且会因空气、温度、时间和细菌污染等因素的影响,使药液中的酶分解减效,细菌繁殖滋生,淀粉、糖类营养等成分发酵水解,以致药液发馊变质,服用后对人体健康不利。 因此,专家建议,煎好的中药汤最好在一天内服完,即使需要将多天的中药一次性煎好也应及时放在冰箱保存,禁止放在急冻层,以免药液失效。

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