Most of us know about the five basic tastes (sour, sweet, salty, bitter and umami), and now scientists of Purdue University have found enough evidence to prove that "fat" is the sixth basic taste.

大多数人都知道五种基本的味觉----酸、甜、咸、苦，鲜。如今，美国普渡大学的科学家们又确认了一种新味觉----肥。

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Other airlines have been increasing their use of umami, which is one of the five basic tastes discovered by the Japanese (together with sweet, sour, bitter and salty).

BBC: A possible end to plane food