The shade is the result of tannin released from fynbos roots, the bitter taste of which helps to defend the plant against hungry animals.

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But the other is a slashing, cutting knife as sharp to the taste as myrrh, as bitter as the aloe.

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The hard exchange of words between the two left a bitter taste, despite Uribe's offer to consider changing the fumigation method from aerial to manual so as to minimize the contamination.

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He searches for the origins of the domestic apple in Kazakhstan to tell an evolutionary tale which explains how every eating apple in the world is a direct descendent of apples in the Tien Shan forest (the bitter taste of apple pips is cyanide, their shape adapted to slip through the guts of a marauding bear unharmed).

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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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