It isn't destroyed by human digestion. And pasteurization is no help.

它不仅破坏人体消化，而且巴氏杀菌法对其无效。

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Human guts are full of bugs that help digestion and also stop their disease-causing counterparts from invading.

人类内脏内充满了微生物来帮助消化，同时抵御致病物质的入侵。

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So at a "digestion lab"? Part of Nestle's sprawling research and development center here? Scientists use a million-dollar model of the human gut.

所以在雀巢公司的研发中心的“消化实验室”里，科学家使用了价值百万美元的人肠道模型。

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They play critical roles in digestion and other processes important for human survival.

WSJ: Gene Map of Body's Microbes Is New Health Tool

The goal is to use flexible plastic circuits to recreate all the basic functions of the human body, from digestion to breathing and everything in between.

ENGADGET: Alt-week 7.28.12: social mathematics, Pluto's moons and humans-on-a-chip