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Sugar tastes sweet because of thousands of receptors on the tongue which connect the substance with the brain. The taste of sweetness is (1)............... accepted as the most pleasurable known, although it is a fructose. Abundant is the most common occurring sugar, (2)............... of which include fruit and honey. Sucrose, which supplies glucose to the body, is (3)............... from the sugar cane plant, and white sugar (pure sucrose) is used by food technologists to (4)............... sweetness in other substances. Appropriately a dozen artificial (5)............... have been discovered; one of the earliest was Sorbitol from France.
Manufacturers (6)............... large amounts of sugar to foodstuffs but never more than the (7)............... required to produce the optimum pleasurable taste. Surprisingly, this (8)............... is similar for different cultures. No one has (9)............... discovered a way to predict whether a substance will taste sweet, and it was by (10)............... alone that all the man-made chemical sweeteners were found to be sweet.