World's first lab-grown burger 世界首创实验室人造汉堡

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Is this hamburger real or artificial?

研究人员在伦敦向公众展示了世界上第一个在实验室里培育生长出的汉堡。这个汉堡是从死牛的肌肉中提取的干细胞培育而成的。此汉堡的造价高达21.5万英镑（约合人民币215万元），但研究人员认为此项技术最终将能降低肉制品的造价并且满足人们对肉类不断增长的需求。以下是来自 BBC 科学事物记者 Pallab Ghosh 的报道：

Professor Post is developing a way to grow meat in a lab because he believes that livestock farming is not good for the environment, not good for animals nor, he says, is it going to satisfy the growing demand for meat.

His aim is to produce a burger that looks and tastes just like the real thing but from what I saw at his lab, that is still a work in progress. The flesh, grown from stem cells, is pale white and tasteless, so food technologists have had to mix in breadcrumbs, caramel and saffron to add flavour and beetroot juice to add colour. The mixture is then put together to make the burger that will be cooked then eaten by two food writers.

Initial testing during the development process suggests that it won’t taste great, but according to Professor Post, it will taste good enough.