If you thought filling up on extra vegetables and fruits could curb hunger and cut down your appetite for higher calorie foods, you need to think again. For, a study conducted by Richard Mattes from Purdue University in West Lafayette, Indiana, and his colleagues has found that loading up on more fruits and vegetables does not help ward off hunger in the long run.
The study also discovered that having juices in fact just added calories and made no difference in reducing hunger.
During the study the research team fed volunteers a regular lunch of all-you-can-eat macaroni and cheese. They ate an average of 785 or 821 calories of it, depending on the day. When these participants were asked to start a meal with fresh and dried fruit they consumed a total of 678 calories, fruits included; the same volunteers consumed 891 calories when asked to start a meal with fresh juice instead.
During the following weeks when researchers gave the volunteers 400 to 550 calories of either fruits or vegetables or fruit juice each day for eight weeks continuously, there was no change in their rating of their hunger or fullness during each test period.
According to the study findings:
"simply adding fruits and veggies to meet nutritional guidelines may not be enough to help people stay full and lose weight
"and may actually make it harder for them to shed extra pounds."
The study concluded that although eating fruits like apples and grapes before lunch or consuming an equivalent amount of fruit juice did make people feel fuller, leading to the consumption of a little less food initially; it was also found that when people were put on a fruit and vegetable heavy diet for months together, it made no difference in their assessments of their own hunger and fullness.