Results 21 to 30 of about 265,014 (287)

Effect Solvent and Extraction Method on the Characteristics of Green Bean Robusta Coffee [PDF]

open access: yesBIO Web of Conferences
One of the chemical elements found in coffee is caffeine, which is the second-largest secondary metabolite after chlorogenic acid. Robusta coffee has a higher caffeine content than Arabica.
Winarsih Sri   +3 more
doaj   +1 more source

Investigating the removal of some pharmaceutical compounds in hospital wastewater treatment plants operating in Saudi Arabia [PDF]

open access: yes, 2016
The concentrations of 12 pharmaceutical compounds (atenolol, erythromycin, cyclophosphamide, paracetamol, bezafibrate, carbamazepine, ciprofloxacin, caffeine, clarithromycin, lidocaine, sulfamethoxazole and Nacetylsulfamethoxazol (NACS)) were ...
Akunna, Joseph C.   +3 more
core   +3 more sources

Effects of chronic caffeine intake and withdrawal on neural activity assessed via resting-state functional magnetic resonance imaging in mice

open access: yesHeliyon, 2022
Caffeine is a psychoactive substance that not only improves wakefulness, but also slows the cognitive decline caused by aging. However, at present, there are no reports about the effects of caffeine withdrawal, including headaches and changes in brain ...
Mitsuki Rikitake   +11 more
doaj   +1 more source

Common questions and misconceptions about caffeine supplementation: what does the scientific evidence really show?

open access: yesJournal of the International Society of Sports Nutrition
Caffeine is a popular ergogenic aid that has a plethora of evidence highlighting its positive effects. A Google Scholar search using the keywords “caffeine” and “exercise” yields over 200,000 results, emphasizing the extensive research on this topic ...
Jose Antonio   +19 more
doaj   +1 more source

Influence of acute caffeine on 50-kHz ultrasonic vocalizations in male adult rats and relevance to caffeine-mediated psychopharmacological effects [PDF]

open access: yes, 2010
To further characterize caffeine-mediated psychopharmacological effects, the present study investigated whether acute caffeine (3, 10, 30, 50 mg/kg i.p.) exerted any influence on the emission and features of ultrasonic vocalizations (USVs), which are ...
Ma ST, Schallert, T, Simola, N
core   +1 more source

Rapid measurement of serum caffeine concentrations in acuteclinical settings

open access: yesToxicology Communications, 2021
The number of acute caffeine poisoning cases have increased in Japan. We can use serum caffeine concentrations to evaluate the severity of caffeine poisoning and determine whether or not we should perform hemodialysis. In this study, we sought to develop
Tomoki Hanazawa   +3 more
doaj   +1 more source

The Safety of Ingested Caffeine: A Comprehensive Review

open access: yesFrontiers in Psychiatry, 2017
Caffeine is the most widely consumed psychoactive drug in the world. Natural sources of caffeine include coffee, tea, and chocolate. Synthetic caffeine is also added to products to promote arousal, alertness, energy, and elevated mood.
Jennifer L. Temple   +6 more
doaj   +1 more source

Excess caffeine exposure impairs eye development during chick embryogenesis [PDF]

open access: yes, 2014
Caffeine has been an integral component of our diet and medicines for centuries. It is now known that over consumption of caffeine has detrimental effects on our health, and also disrupts normal foetal development in pregnant mothers.
Cheng, Xin   +6 more
core   +3 more sources

Caffeine consumption habits, motivations, and experiences of New Zealand tertiary students : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Nutrition and Dietetics at Massey University, Albany, New Zealand [PDF]

open access: yes, 2017
Background: Caffeine-related health incidents in New Zealand have escalated over the last two decades. Research suggests that in order to reduce the risk of substance-related harm, it is important to understand the consumers’ motivations for its use ...
Stachyshyn, Saskia
core  

Caffeine affects the biological responses of human hematopoietic cells of myeloid lineage via downregulation of the mTOR pathway and xanthine oxidase activity [PDF]

open access: yes, 2015
Correction of human myeloid cell function is crucial for the prevention of inflammatory and allergic reactions as well as leukaemia progression. Caffeine, a naturally occurring food component, is known to display anti-inflammatory effects which have ...
Abooali, Maryam   +8 more
core   +3 more sources

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