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Journal of the American College of Nutrition, Vol 8, Issue 1 47-55, Copyright © 1989 by American College of Nutrition

JOURNAL ARTICLE

Negative contrast in the consumption of sucrose and quinine adulterated sucrose solutions

C. F. Flaherty and G. A. Rowan
Psychology Department, Rutgers University, New Brunswick, New Jersey 08903.

Rats shifted from a 40% sucrose solution to a quinine-adulterated (30 mg/100 ml) 40% sucrose solution showed a reduction in consumption to a level considerably below that of animals exposed to only the quinine-adulterated solution. The animals tended to recover from this negative contrast effect over a 5-day postshift period and, in general, the degree of contrast was about equivalent to that of animals shifted from a 32% to a 4% sucrose solution. There were no sex differences in the rats shifted from 32% to 4% sucrose, but female rats shifted to the quinine-adulterated sucrose showed larger contrast effects than male rats exposed to the same shift.




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Copyright © 1989 by the American College of Nutrition.