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Effect of post-exercise caffeine and green coffee bean extract consumption on blood glucose and insulin concentrations

Abstract Objective The aim of this study was to investigate the effects of ingesting caffeine and green coffee bean extract on blood glucose and insulin concentrations during a post-exercise oral glucose tolerance test. Methods Ten male cyclists (age: 26 ± 5 y; height: 179.9 ± 5.4 cm; weight: 77.6 ±... Full description

Journal Title: Nutrition (Burbank Los Angeles County, Calif.), 2015, Vol.31 (2), p.292-297
Main Author: Beam, Jason R., Ph.D
Other Authors: Gibson, Ann L., Ph.D , Kerksick, Chad M., Ph.D , Conn, Carole A., Ph.D , White, Ailish C., Ph.D , Mermier, Christine M., Ph.D
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: Alma/SFX Local Collection
Publisher: United States: Elsevier Inc
ID: ISSN: 0899-9007
Link: https://www.ncbi.nlm.nih.gov/pubmed/25592006
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recordid: cdi_proquest_miscellaneous_1680439039
title: Effect of post-exercise caffeine and green coffee bean extract consumption on blood glucose and insulin concentrations
format: Article
creator:
  • Beam, Jason R., Ph.D
  • Gibson, Ann L., Ph.D
  • Kerksick, Chad M., Ph.D
  • Conn, Carole A., Ph.D
  • White, Ailish C., Ph.D
  • Mermier, Christine M., Ph.D
subjects:
  • Adult
  • Analysis
  • Bicycling
  • Blood Glucose - metabolism
  • Blood sugar
  • Body Mass Index
  • Caffeine
  • Caffeine - administration & dosage
  • Carbohydrate
  • Chlorogenic acid
  • Chlorogenic Acid - administration & dosage
  • Coffee - chemistry
  • Cross-Over Studies
  • Cycling, glycogen
  • Double-Blind Method
  • Exercise
  • Gastroenterology and Hepatology
  • Glucose
  • Glucose metabolism
  • Glucose Tolerance Test
  • Humans
  • Insulin
  • Insulin - blood
  • Insulin sensitivity index
  • Kinases
  • Male
  • Metabolic disorders
  • Oral glucose tolerance test
  • Plant Extracts - administration & dosage
  • Sports sciences
  • Studies
  • Young Adult
ispartof: Nutrition (Burbank, Los Angeles County, Calif.), 2015, Vol.31 (2), p.292-297
description: Abstract Objective The aim of this study was to investigate the effects of ingesting caffeine and green coffee bean extract on blood glucose and insulin concentrations during a post-exercise oral glucose tolerance test. Methods Ten male cyclists (age: 26 ± 5 y; height: 179.9 ± 5.4 cm; weight: 77.6 ± 13.3 kg; body mass index: 24 ± 4.3 kg/m2 ; VO2 peak: 55.9 ± 8.4 mL·kg·min−1 ) participated in this study. In a randomized order, each participant completed three 30-min bouts of cycling at 60% of peak power output. Immediately after exercise, each participant consumed 75 g of dextrose with either 5 mg/kg body weight of caffeine, 10 mg/kg of green coffee bean extract (5 mg/kg chlorogenic acid), or placebo. Venous blood samples were collected immediately before and after exercise during completion of the oral glucose tolerance test. Results No significant time × treatment effects for blood glucose and insulin were found. Two-h glucose and insulin area under the curve values, respectively, for the caffeine (658 ± 74 mmol/L and 30,005 ± 13,304 pmol/L), green coffee bean extract (637 ± 100 mmol/L and 31,965 ± 23,586 pmol/L), and placebo (661 ± 77 mmol/L and 27,020 ± 12,339 pmol/L) trials were not significantly different ( P > 0.05). Conclusion Caffeine and green coffee bean extract did not significantly alter postexercise blood glucose and insulin concentrations when compared with a placebo. More human research is needed to determine the impact of these combined nutritional treatments and exercise on changes in blood glucose and insulin.
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 0899-9007
fulltext: fulltext
issn:
  • 0899-9007
  • 1873-1244
url: Link


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titleEffect of post-exercise caffeine and green coffee bean extract consumption on blood glucose and insulin concentrations
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creatorBeam, Jason R., Ph.D ; Gibson, Ann L., Ph.D ; Kerksick, Chad M., Ph.D ; Conn, Carole A., Ph.D ; White, Ailish C., Ph.D ; Mermier, Christine M., Ph.D
creatorcontribBeam, Jason R., Ph.D ; Gibson, Ann L., Ph.D ; Kerksick, Chad M., Ph.D ; Conn, Carole A., Ph.D ; White, Ailish C., Ph.D ; Mermier, Christine M., Ph.D
descriptionAbstract Objective The aim of this study was to investigate the effects of ingesting caffeine and green coffee bean extract on blood glucose and insulin concentrations during a post-exercise oral glucose tolerance test. Methods Ten male cyclists (age: 26 ± 5 y; height: 179.9 ± 5.4 cm; weight: 77.6 ± 13.3 kg; body mass index: 24 ± 4.3 kg/m2 ; VO2 peak: 55.9 ± 8.4 mL·kg·min−1 ) participated in this study. In a randomized order, each participant completed three 30-min bouts of cycling at 60% of peak power output. Immediately after exercise, each participant consumed 75 g of dextrose with either 5 mg/kg body weight of caffeine, 10 mg/kg of green coffee bean extract (5 mg/kg chlorogenic acid), or placebo. Venous blood samples were collected immediately before and after exercise during completion of the oral glucose tolerance test. Results No significant time × treatment effects for blood glucose and insulin were found. Two-h glucose and insulin area under the curve values, respectively, for the caffeine (658 ± 74 mmol/L and 30,005 ± 13,304 pmol/L), green coffee bean extract (637 ± 100 mmol/L and 31,965 ± 23,586 pmol/L), and placebo (661 ± 77 mmol/L and 27,020 ± 12,339 pmol/L) trials were not significantly different ( P > 0.05). Conclusion Caffeine and green coffee bean extract did not significantly alter postexercise blood glucose and insulin concentrations when compared with a placebo. More human research is needed to determine the impact of these combined nutritional treatments and exercise on changes in blood glucose and insulin.
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subjectAdult ; Analysis ; Bicycling ; Blood Glucose - metabolism ; Blood sugar ; Body Mass Index ; Caffeine ; Caffeine - administration & dosage ; Carbohydrate ; Chlorogenic acid ; Chlorogenic Acid - administration & dosage ; Coffee - chemistry ; Cross-Over Studies ; Cycling, glycogen ; Double-Blind Method ; Exercise ; Gastroenterology and Hepatology ; Glucose ; Glucose metabolism ; Glucose Tolerance Test ; Humans ; Insulin ; Insulin - blood ; Insulin sensitivity index ; Kinases ; Male ; Metabolic disorders ; Oral glucose tolerance test ; Plant Extracts - administration & dosage ; Sports sciences ; Studies ; Young Adult
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descriptionAbstract Objective The aim of this study was to investigate the effects of ingesting caffeine and green coffee bean extract on blood glucose and insulin concentrations during a post-exercise oral glucose tolerance test. Methods Ten male cyclists (age: 26 ± 5 y; height: 179.9 ± 5.4 cm; weight: 77.6 ± 13.3 kg; body mass index: 24 ± 4.3 kg/m2 ; VO2 peak: 55.9 ± 8.4 mL·kg·min−1 ) participated in this study. In a randomized order, each participant completed three 30-min bouts of cycling at 60% of peak power output. Immediately after exercise, each participant consumed 75 g of dextrose with either 5 mg/kg body weight of caffeine, 10 mg/kg of green coffee bean extract (5 mg/kg chlorogenic acid), or placebo. Venous blood samples were collected immediately before and after exercise during completion of the oral glucose tolerance test. Results No significant time × treatment effects for blood glucose and insulin were found. Two-h glucose and insulin area under the curve values, respectively, for the caffeine (658 ± 74 mmol/L and 30,005 ± 13,304 pmol/L), green coffee bean extract (637 ± 100 mmol/L and 31,965 ± 23,586 pmol/L), and placebo (661 ± 77 mmol/L and 27,020 ± 12,339 pmol/L) trials were not significantly different ( P > 0.05). Conclusion Caffeine and green coffee bean extract did not significantly alter postexercise blood glucose and insulin concentrations when compared with a placebo. More human research is needed to determine the impact of these combined nutritional treatments and exercise on changes in blood glucose and insulin.
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authorBeam, Jason R., Ph.D ; Gibson, Ann L., Ph.D ; Kerksick, Chad M., Ph.D ; Conn, Carole A., Ph.D ; White, Ailish C., Ph.D ; Mermier, Christine M., Ph.D
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pages292-297
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abstractAbstract Objective The aim of this study was to investigate the effects of ingesting caffeine and green coffee bean extract on blood glucose and insulin concentrations during a post-exercise oral glucose tolerance test. Methods Ten male cyclists (age: 26 ± 5 y; height: 179.9 ± 5.4 cm; weight: 77.6 ± 13.3 kg; body mass index: 24 ± 4.3 kg/m2 ; VO2 peak: 55.9 ± 8.4 mL·kg·min−1 ) participated in this study. In a randomized order, each participant completed three 30-min bouts of cycling at 60% of peak power output. Immediately after exercise, each participant consumed 75 g of dextrose with either 5 mg/kg body weight of caffeine, 10 mg/kg of green coffee bean extract (5 mg/kg chlorogenic acid), or placebo. Venous blood samples were collected immediately before and after exercise during completion of the oral glucose tolerance test. Results No significant time × treatment effects for blood glucose and insulin were found. Two-h glucose and insulin area under the curve values, respectively, for the caffeine (658 ± 74 mmol/L and 30,005 ± 13,304 pmol/L), green coffee bean extract (637 ± 100 mmol/L and 31,965 ± 23,586 pmol/L), and placebo (661 ± 77 mmol/L and 27,020 ± 12,339 pmol/L) trials were not significantly different ( P > 0.05). Conclusion Caffeine and green coffee bean extract did not significantly alter postexercise blood glucose and insulin concentrations when compared with a placebo. More human research is needed to determine the impact of these combined nutritional treatments and exercise on changes in blood glucose and insulin.
copUnited States
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pmid25592006
doi10.1016/j.nut.2014.07.012