桃胶是什么?有什么用途?

2025-04-05 13:30:02
推荐回答(1个)
回答(1):

桃胶是由桃树上自然分泌出来的桃树油经过干燥而得到的固体天然树脂。干的桃胶呈结晶石状,很硬,有红棕色、黄褐色、淡黄色或白色半透明的。桃胶的主要成分为半乳糖、鼠李糖、葡萄糖醛酸等,是一种植物性水溶纤维,也可以算作一种多糖类食品。
我们再来看看胶原蛋白的成分:胶原蛋白是由多个氨基酸以肽键连接在一起组成的大分子蛋白质,是构成皮肤、血管、骨骼等动物结缔组织的主要成分。人体自身可以合成胶原蛋白。
胶原蛋白经过水解后的产物——明胶,具有水溶性,可吸水膨胀形成有弹性的胶冻。在生活中我们炖鱼时,鱼汤冷却后之所以能形成鱼冻,主要是明胶的作用。虽然明胶和桃胶都呈水溶性的胶体状,但是它们有着本质上的差别,不能混为一谈。
那么桃胶的作用到底是什么呢?
其实,桃胶也具有美肤和瘦身功能,属于植物性多糖营养物质,很适合秋冬季节食用。因为在秋冬季节,大家开始滋补,难免摄入大鱼大肉。桃胶中的多糖类物质有助于增强肠道功能,有利于新陈代谢。桃胶膨胀吸水,可以促进肠道蠕动,能帮助缓解便秘症状。多糖类物质可以减缓食物从胃进入肠道的速度,使人饱腹感增强,从而减少能量摄入,达到控制体重的目的。桃胶味甘苦,性平,无毒,入大肠、膀胱经,有辅助治疗胃炎、血淋和痢疾的作用。

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