Pigs have high sensitivity for umami taste that is about 10 fold than of sweet taste.

猪对鲜味有高度敏感性，高于甜味的10倍。

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"It does have a rich umami taste," said chef Chen Judi, "but there's also a bitter aftertaste that people in this region wouldn't like at all."

“它的确很鲜，”厨师陈居地(音)说，“但是还有苦味残留，当地人不会喜欢这个味道的。”

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Until now, only the sweet, bitter and umami taste receptors had been identified, and researchers were unsure whether the other two tastes had specialized receptors for them at all.

直到现在，只发现了甜味、苦味和鲜味的味觉感受器，研究人员还不确定其他两种味觉是否有特殊的感受器。

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Their research was complicated by the fact that of the five primary taste sensations salty, sweet, sour, bitter, and umami the taste of salt is the least understood.

NEWYORKER: Snacks for a Fat Planet

Umami, the savory "fifth taste" that gives foods like anchovies and shiitake mushrooms their meaty depth, is found in kombu in a greater concentration than in any other food.

WSJ: Kelp Wanted

Ketchup ignites the palate as one of the few foods to stimulate all five sensations inside the mouth: salty, sweet, sour, bitter and umami, the latter of which gives body to food and is the savory taste found in cured meat and MSG.

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