Effects of Electrolyte Beverage on Preventing Dehydration Among Workers in Different Enviromental Temperature

Ermita Isfandiary Ibrahim, Saptawati Bardosono, Juwalita Surapsari, Hans-Joachim Freislebe

Research output: Contribution to journalArticlepeer-review


Introduction:Water and electrolyte balance is important to maintain cognitive and physical performance, especially in hot environment. This study aimed to evaluate the effects of two different type of fluid intake at the workplace in preventing dehydration among male workers working in a hot and conveniently cool environment. Methods:This randomized double-blinded placebo controlled trial study was performedin two appointed factories in West-Java in January-February 2012. Seventy-eight healthy male subjects,age 25 - 45 years old were selected and they were groupedbased on their working environmental temperature, i.e. hot and conveniently cool environment. The subjects were randomly allocated by using crossover approach, to have non-electrolyte beverage (plain water) and electrolyte drink in the workplace for 2 days, respectively. Hydration and electrolyte biomarkers were collected from blood and urine samples at before and after the intervention.Results:At baseline, subjects of the hot environment workplace had higher daily working hours, hemoglobin, hematocrit, blood viscosity, and blood sodium concentration as compared to those of convenientlycool environment (p<0.05). After the intervention, for the subjects in hot environment alone, there were significantly lower value of blood viscosity, hemoglobin, and hematocrit, but significantly higher value for blood sodium, USG (urine specific gravity), pH, urinary sodium, urinary potassium and urinary chloride (p<0.05), among subjects who hadthe electrolyte drinkcompared to the plain water. Conclusion:This study confirmed that consumption of electrolyte beverage during working in hot environment temperature could help to improve hydration status and electrolyte con
Original languageEnglish
Pages (from-to)38-52
JournalWorld Nutrition Journal
Issue number2
Publication statusPublished - 1 Dec 2018


  • hydration
  • electrolyte beverage
  • hot environment
  • workers


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