PMID- 16131694
OWN - NLM
STAT- MEDLINE
DCOM- 20051003
LR  - 20191109
IS  - 1526-484X (Print)
IS  - 1526-484X (Linking)
VI  - 15
IP  - 3
DP  - 2005 Jun
TI  - Gastric emptying and intestinal absorption of a low-carbohydrate sport drink 
      during exercise.
PG  - 220-35
AB  - The purpose of this study was to determine if lowering carbohydrate (CHO) 
      concentration in a sport drink influences gastric emptying, intestinal 
      absorption, or performance during cycle ergometry (85 min, 60% VO(2peak)). Five 
      subjects (25 +/- 1 y, 61.5 +/- 2.1 mL . kg(-1) . min(-1) VO(2peak)) ingested a 3% 
      CHO, 6% CHO, or a water placebo (WP) beverage during exercise. Gastric emptying 
      was determined by repeated double sampling and intestinal absorption by segmental 
      perfusion. Total solute absorption and plasma glucose was greater for 6% CHO; 
      however, neither gastric emptying, intestinal water absorption, or 3-mi time 
      trial performance (7:58 +/- 0:33 min, 8:13 +/- 0:25 min, and 8:25 +/- 0:29 min, 
      respectively, for 6% CHO, 3% CHO, and WP) differed among solutions. These results 
      indicate lowering the CHO concentration of a sport drink from 6% CHO does not 
      enhance gastric emptying, intestinal water absorption, or time trial performance, 
      but reduces CHO and total solute absorption.
FAU - Rogers, Jennifer
AU  - Rogers J
AD  - Department of Exercise Sciences, the University of Iowa, Iowa City, IA 68178, 
      USA.
FAU - Summers, Robert W
AU  - Summers RW
FAU - Lambert, G Patrick
AU  - Lambert GP
LA  - eng
PT  - Clinical Trial
PT  - Journal Article
PT  - Randomized Controlled Trial
PL  - United States
TA  - Int J Sport Nutr Exerc Metab
JT  - International journal of sport nutrition and exercise metabolism
JID - 100939812
RN  - 0 (Dietary Carbohydrates)
SB  - IM
MH  - Adult
MH  - *Beverages
MH  - Bicycling/*physiology
MH  - Cross-Over Studies
MH  - Dietary Carbohydrates/*administration & dosage/*pharmacokinetics
MH  - Dose-Response Relationship, Drug
MH  - Drinking
MH  - Female
MH  - Gastric Emptying/drug effects/*physiology
MH  - Humans
MH  - Intestinal Absorption/drug effects/*physiology
MH  - Male
MH  - Oxygen Consumption
EDAT- 2005/09/01 09:00
MHDA- 2005/10/04 09:00
CRDT- 2005/09/01 09:00
PHST- 2005/09/01 09:00 [pubmed]
PHST- 2005/10/04 09:00 [medline]
PHST- 2005/09/01 09:00 [entrez]
AID - 10.1123/ijsnem.15.3.220 [doi]
PST - ppublish
SO  - Int J Sport Nutr Exerc Metab. 2005 Jun;15(3):220-35. doi: 
      10.1123/ijsnem.15.3.220.