Results 211 to 220 of about 262,566 (370)

CAFFEINE CONTRACTURE [PDF]

open access: yesProceedings of the National Academy of Sciences, 1960
Dorothy Conway, Toshio Sakai
openaire   +3 more sources

Natural polymer‐based hydrogels: Types, functionality, food applications, environmental significance and future perspectives: An updated review

open access: yesFood Biomacromolecules, Volume 2, Issue 1, Page 84-105, March 2025.
Abstract Hydrogels of natural, synthetic and hybrid origin are used in various food applications in modern days. Among them, natural polymer‐based hydrogels are becoming increasingly popular in the food industry owing to their structural diversity, biocompatibility, affordability, biodegradability and non‐toxicity compared to their synthetic ...
Piyumi Chathurangi Wanniarachchi   +5 more
wiley   +1 more source

Spectral-Chromatographic Procedure for Caffeine [PDF]

open access: bronze, 1965
Emanuel Borker, Katherine G Sloman
openalex   +1 more source

Caffeine and health [PDF]

open access: yesBMJ, 1988
Bjarne K. Jacobsen, Vidje Hansen
openaire   +3 more sources

Caffeine induces age-dependent increases in brain complexity and criticality during sleep. [PDF]

open access: yesCommun Biol
Thölke P   +5 more
europepmc   +1 more source

Assessment of Caffeine Content in Tea and Coffee Brands Within the Palestinian Market Using HPLC Method

open access: yesFuture Postharvest and Food, Volume 2, Issue 1, Page 87-93, March 2025.
The quality of tea and coffee is affected by many factors. The average caffeine content (%w/w) in tea and coffee brands was 0.94%–1.5% and 0.45%–0.74%, respectively. Findings from this study provide valuable insights for consumers and nutrition/health professionals regarding caffeine content in popular brands of tea and coffee.
Waad Hisham   +5 more
wiley   +1 more source

Principal Components Analysis of Spot Urine Caffeine and Caffeine Metabolites Identifies Promising Exposure Biomarkers of Caffeine and Theobromine Intake in a Cross-Sectional Survey of the United States Population (National Health and Nutrition Examination Survey 2009–2014)

open access: yesCurrent Developments in Nutrition
Background: Spot urine concentrations of caffeine and certain caffeine metabolites correlate well with 24-h caffeine intake and have potential use as caffeine exposure biomarkers.
Ching-I Pao   +2 more
doaj  

Investigating Plasma Metabolomics and Gut Microbiota Changes Associated With Parkinson Disease: A Focus on Caffeine Metabolism. [PDF]

open access: yesNeurology
Chen CC   +11 more
europepmc   +1 more source

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