Postprandial metabolic responses to dietary glycemic index in hypercholesterolemic postmenopausal women

Radhika Bukkapatnam, Lars Berglund, Anuurad Erdembileg, Sridevi Devaraj, Dianne Hyson, Flora Rafii, Catharine Malmstein, Amparo C Villablanca

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Cardiovascular disease is the leading cause of death in postmenopausal women. While diet and lifestyle remain the cornerstones of prevention, a low-fat/high-carbohydrate diet is associated with hyperglycemia and hyperlipemia-atherosclerotic risk factors affected by postprandial conditions. The objective of this study was to examine the acute response of lipids and insulin to a low-fat/high-carbohydrate meal with either a high-glycemic or a low-glycemic index in healthy postmenopausal women. Fifteen healthy postmenopausal women were enrolled in a randomized crossover dietary intervention study. Levels of glucose, triglyceride, free fatty acids (FFAs), and insulin were measured preprandially and for 240 minutes after consumption of the test meals. In response to the high-glycemic compared with the low-glycemic index meal, postprandial insulin levels had a higher peak (65.4 vs 48.1 μU/mL, respectively), the homeostasis model assessment-insulin resistance (HOMA-IR) was significantly higher (. P=.014), serum triglyceride levels declined significantly (. P<.001), and there was a small reduction in FFA levels, although the difference did not reach statistical significance. The results suggest a postprandial impact of glycemic index on cardiovascular metabolic biomarkers in postmenopausal women and may have implications for dietary glycemic modification of cardiovascular risk in women.

Original languageEnglish (US)
Pages (from-to)29-35
Number of pages7
JournalPreventive Cardiology
Volume13
Issue number1
DOIs
StatePublished - Jan 2010

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Glycemic Index
Meals
Insulin
Nonesterified Fatty Acids
Triglycerides
Carbohydrates
Diet Therapy
High Fat Diet
Hyperlipidemias
Hyperglycemia
Insulin Resistance
Life Style
Cause of Death
Homeostasis
Cardiovascular Diseases
Biomarkers
Fats
Diet
Lipids
Glucose

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Public Health, Environmental and Occupational Health

Cite this

Postprandial metabolic responses to dietary glycemic index in hypercholesterolemic postmenopausal women. / Bukkapatnam, Radhika; Berglund, Lars; Erdembileg, Anuurad; Devaraj, Sridevi; Hyson, Dianne; Rafii, Flora; Malmstein, Catharine; Villablanca, Amparo C.

In: Preventive Cardiology, Vol. 13, No. 1, 01.2010, p. 29-35.

Research output: Contribution to journalArticle

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