The effect of caffeine on energy balance

Harpaz, Eynav; Tamir, Snait; Weinstein, Ayelet; Weinstein, Yitzhak

doi:10.1515/jbcpp-2016-0090

Cited by 125 publications

(93 citation statements)

References 88 publications

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“…The stimulative effect of these drinks is attributed to their content of vitamins, taurine, guarana and other ingredients, but first comes their high content of caffeine, the most widely consumed CNS stimulant in the world. Caffeine is an adenosine antagonist inducing neurotransmitter release, and phosphodiesterase inhibitor, modifying intracellular cAMP levels and stimulating glucose metabolism and lipolysis (Harpaz et al, 2017;Horrigan et al, 2004).…”

Section: Discussionmentioning

confidence: 99%

The metabolic disorders associated with chronic consumption of soft and energy drinks in rats*

Eltahir

Alamri

et al. 2020

Acta Biochim Pol

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Background: Energy Drinks (EDs) and Soft Drinks (SDs) are widely consumed among adolescents and young adults. These drinks contain variable amounts of caffeine which is a central nervous system stimulator; in addition to sugar, taurine, vitamins and herbal extracts. Several adverse effects have been reported for the excessive consumption of caffeine and sugar. Aim: This work aimed at providing a comparison between the effect of chronic consumption of both drinks on metabolism biochemically as well as at the histopathological level. Methods: Adult albino rats were randomly divided into three groups and treated for 4 weeks. Animals received water (control, group 1), 12.5 ml/kg/day of either Pepsi ® (SD, group 2) or Power Horse ® (ED, group 3). All animals had free access to water and standard animal chow. Results: ED and SD groups showed a significant weight gain compared to control. ED animals showed a significant increase in serum urea, hyperlipidemia and hyperglycemia in comparison to control and SD groups. Serum uric acid significantly increased in ED and SD groups. ED group showed congestion and inflammation in their renal tissues in addition to splenomegaly and increased phagocyte infiltration. Conclusion: The high caffeinesugar content in ED exerts a more significant influence on the metabolic pathways than SDs. Both increase the incidence of cardiovascular diseases and tissue inflammation due to their effect on lipid profile and blood glucose. The other ingredients in EDs may play a role in the observed metabolic disturbances. Chronic use of EDs should be especially discouraged to avoid these negative effects.

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Section: Discussionmentioning

confidence: 99%

The metabolic disorders associated with chronic consumption of soft and energy drinks in rats*

Eltahir

Alamri

et al. 2020

Acta Biochim Pol

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“…(6) Through increasing thermogenesis, fat oxidation, and fluid loss caffeine enhances weight loss and improves weight maintenance. (7) Data from epidemiological studies have shown that caffeine has an adverse effect on sleep. (8) Other adverse effects related to caffeine include feelings of nervousness, jitteriness, and shakiness, (9) headache (10) and elevated systolic blood pressure independent of age.…”

Section: Introductionmentioning

confidence: 99%

Pattern of Caffeine Consumption Among University Students

El-Nimr

Bassiouny

Tayel

2019

Journal of High Institute of Public Health

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Background: There has been a sharp increase in caffeine consumption among the Arab youth. Objective(s): The aim of this study was to estimate the proportion of caffeine consumption among Alexandria University students, to assess their caffeine daily intake, to estimate the proportion of caffeine withdrawal and intoxication among caffeine consumers and to investigate the relationship between caffeine intake with body composition, blood pressure, and caffeine withdrawal and intoxication. Methods: Using a cross-sectional design, 400 students from faculties of Alexandria University were included in the study. Data were collected using a predesigned structured interviewing questionnaire, anthropometric measurements and blood pressure measurement. The daily dietary intake of caffeine in mg /kg body weight/day was estimated for each subject and compared to the safe levels set by the EFSA. Results: Almost all students consumed caffeinated drinks, with Cola drinks ranking 1 st . About 12% had caffeine withdrawal, 0.5% suffered from caffeine intoxication and 65.3% exceeded the safe level set by the EFSA. The association between the level of caffeine consumption and the anthropometric measures was not significant, while the association between the level of caffeine consumption and blood pressure was significant. Conclusion: The consumption of caffeine containing drinks among Alexandria University students was very high and exceeded the safe levels, which calls for campaigns to increase their awareness about the impact of high consumption of caffeine containing food and beverages on their health.

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“…However, an important finding of this study was that although the WT group presented higher feed intake (P = 0.0045), there was no significant difference in weight gain between the WT and CT groups (P > 0.70). The caffeine in white tea may, in part, be responsible for this result, as it is thermogenic and stimulates the oxidation of fat (for review, see Harpaz et al, 2017). However, caffeine is unlikely to be solely responsible for this finding, as catechins containing caffeine have a greater thermogenic effect than caffeine alone (Heber et al, 2014;Yoneshiro et al, 2017).…”

Section: Discussionmentioning

confidence: 99%

White tea intake interferes with the expression of angiogenic factors in the corpora lutea of superovulated rats

Santos

Freire

Vieira

et al. 2018

Int J of Food Sci Tech

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Summary White tea derived from the Camellia sinensis (L.) plant has anticancer effects. Its main catechin decreases the gene expression of Vegf in tumours. However, VEGF is also the angiogenic factor of the reproductive organs. In this study, Wistar rats were divided into the following groups (n = 30): the control group (CT), which received water, and the white tea intake group (WT), for 3 months. At the end of every month, the corpora lutea (CL) of ten rats were removed to evaluate the gene expression of Vegf and its receptors (Flt‐1 and Kdr). White tea increased the relative mRNA abundance of Vegf (CT = 0.95 ± 0.06 and WT = 2.13 ± 0.19), Kdr (CT = 0.88 ± 0.06 and WT = 1.94 ± 0.32) and Flt‐1 (CT = 0.94 ± 0.06 and WT = 2.11 ± 0.22) in CL (P < 0.05). White tea increased angiogenic‐related genes in rat CL but did not alter the number of rat CL.

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The effect of caffeine on energy balance

Cited by 125 publications

References 88 publications

The metabolic disorders associated with chronic consumption of soft and energy drinks in rats*

The metabolic disorders associated with chronic consumption of soft and energy drinks in rats*

Pattern of Caffeine Consumption Among University Students

White tea intake interferes with the expression of angiogenic factors in the corpora lutea of superovulated rats

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