Paper
Grapefruit Juice: Potential Functional Drink for Improved Antioxidant Capacity in Adults
Published Apr 26, 2017 · F. Deyhim, Shahrzad Foroudi, Andrew S Potter
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Abstract
Cardiovascular disease is attributed to sedentary lifestyle, diets high in fat and refined carbohydrates, and low in fruits and vegetables. The objective of this study was to determine whether drinking grapefruit juice positively influences cardiovascular risk markers, antioxidant status, and lipid peroxidation in adults not changing their eating habits. An experiment to test whether daily consumption of 20 fl. oz. of freshly squeezed grapefruit juice for two months affected lipid panels, C-reactive protein, insulin, body composition, blood pressure, antioxidant status, and malondialdehyde production was conducted. Fasting blood samples were collected pre-treatment and 60 days after drinking grapefruit juice post-treatment. Drinking grapefruit juice did not affect (P > 0.1) plasma total cholesterol, triglycerides, Apo A, Apo B, LDL, HDL, body fat percentage, BMI, blood pressure, plasma insulin, or C-reactive protein. Drinking grapefruit juice did not affect systolic and diastolic blood pressure. However, drinking grapefruit juice significantly (P < 0.05) increased total plasma antioxidant capacity and decreased (P < 0.05) plasma malondialdehyde concentration. Drinking grapefruit juice may be cardio-protective via increasing total antioxidant status and decreasing lipid peroxidation independent of any of the cardiovascular risk markers measured in the study. *Corresponding author: Farzad Deyhim, Ph.D., RD., LD., Texas A&M University-Kingsville, Dept. of Human Sciences, MSC 168, Kingsville TX. 78363. Kingsville, USA, Tel: +1 (361) 593-2409; Fax: +1 (361) 593-2230; E-mail: Farzad.Deyhim@tamuk.edu Received Date: December 26, 2016 Accepted Date: April 20, 2017 Published Date: April 26, 2017
Non-RCTDrinking grapefruit juice may be cardio-protective by increasing antioxidant capacity and decreasing lipid peroxidation in adults without changing their eating habits.
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