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银耳富含胶原蛋白，具有滋阴润肺、美容养颜的功效，是家庭常年必备的煲汤食材。但银耳的选购却是有颇多技巧，比如哪里产的银耳好、白银耳和黄银耳哪种好、哪种外形的银耳好等。

莲子性平味甘，归心，入脾肾经。有健脾安神补肾的作用。银耳性平味淡、甘，有非常丰富的微量元素。有清热健脾润肤的保健效用。除此之外还有治疗肺热咳嗽和皮肤干裂、高血压等症的药理作用。