关于血燕来历,中国古代医书和一些散文笔记中有两种说法:一种说法是金丝燕吐血筑成,还有一种说法是岩洞中的矿物质渗透到燕窝。但一直以来缺少科学的求证和根据。即使在引燕业十分发达的马来西亚,对此也莫衷一是。 There are two versions of ancient blood medicine in ancient Chinese medical books and some prose notes: one is that the golden thread swallows blood and the other is that minerals in the cave infiltrate the bird’s nest. But there has been a lack of scientific evidence and evidence. Even in Malaysia, where the industry is well developed, there is no agreement on this.