It's a challenge in food industry to maintain the viability of probiotics in probiotic foods and intense research efforts are focused on this area.

如何保持益生菌食品中益生菌的活性，是食品工业面临的难题和研究热点。

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Using the mice, he can examine the effect of probiotic foods under tightly controlled conditions, with "defined communities where all the actors and genes are known".

利用老鼠，你能在严格控制的条件下测试含有益生菌的食品的功效。因为在所定义的环境中所有参与成分和基因都是我们已知的。

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Yogurt, like other "probiotic" foods, helps to promotes the growth of favorable bacteria in our digestive tracts.

酸奶，像其它的“益生菌”食品一样，有助于促进有利细菌在我们的消化道生长。

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Surprisingly, chocolate is also a good delivery system, so chocolate products created specifically to deliver probiotics (instead of just throwing them in for marketing purposes) are a tasty and effective option, as long as they aren't loaded with too much sugar and fat. (Attune is a California company specializing in chocolate probiotic treats.) Fermented foods such as cheese, sauerkraut and kimchi are also a good source of probiotics.

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