This pilot study will investigate the effects of acute peanut consumption on markers of inflammation, triglycerides and glucose. The hypothesis is that a high glucose/SFA meal will increase postprandial production of the inflammatory marker, C-reactive protein (CRP), and that the addition of peanuts to the control meal will reduce the production of CRP, as well as triglycerides and glucose.
Previous research has demonstrated that a single meal high in saturated fatty acids (SFA) and glucose can induce increases in IL-6, TNF-α and CRP in abdominally obese and diabetic subjects. As over two-thirds of the U.S. population is overweight or obese, it is important to identify foods that can attenuate postprandial increases in lipids, glucose and inflammation in this population. Therefore, the purpose of the pilot study is to determine whether a high SFA / high glucose control meal will induce an acute inflammatory response in overweight individuals, and whether the addition of peanuts to this meal will ameliorate this response. To ensure that these effects are due to peanuts, and not to the increase in total fat, we will compare this response to another test meal that includes an oil blend with a similar fatty acid composition to peanuts.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
6
Shake containing 3.0oz of peanuts (including skin) + control (heavy whipping cream, glucose and chocolate syrup)
An oral liquid glucose (75g) and fat (high saturated fat from 60g heavy whipping cream) load. Chocolate syrup is added for flavor.
Shake containing an oil blend (sunflower, sesame, olive and palm oils) + control (heavy whipping cream, glucose and chocolate syrup). The amount of oil added to the control will provide an equivalent amount of fat to that provided in 3 oz (85g) of peanuts
Penn State University
University Park, Pennsylvania, United States
Serum C-reactive protein
Time frame: 0min
Serum C-reactive protein
Time frame: 60 min
Serum C-reactive protein
Time frame: 120 min
Serum C-reactive protein
Time frame: 240 min
Serum Glucose
Time frame: 0 min
Serum Insulin
Time frame: 0 min
Serum Triglycerides
Time frame: 0 min
Serum Glucose
Time frame: 60 min
Serum Glucose
Time frame: 120 min
Serum Glucose
Time frame: 240 min
Serum Insulin
Time frame: 60 min
Serum Insulin
Time frame: 120 min
Serum Insulin
Time frame: 240 min
Serum Triglycerides
Time frame: 60 min
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Serum Triglycerides
Time frame: 120 min
Serum Triglycerides
Time frame: 240 min