Results 11 to 20 of about 4,190 (187)

Methylxanthine Treatment in Patients Hospitalized for Acute Exacerbation of Chronic Obstructive Pulmonary Disease in China: A Real-World Study Using Propensity Score Matching Analysis

open access: yesFrontiers in Pharmacology, 2022
Background: Although medical guidelines discourage the use of methylxanthines in patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD), they are still widely used in clinical practice.
Zijie Zhan   +21 more
doaj   +1 more source

Characterization and Classification of Cocoa Bean Shells from Different Regions of Venezuela Using HPLC-PDA-MS/MS and Spectrophotometric Techniques Coupled to Chemometric Analysis

open access: yesFoods, 2021
The cocoa bean shell (CBS) is one of the main cocoa byproducts with a prospective to be used as a functional food ingredient due to its nutritional and sensory properties.
Letricia Barbosa-Pereira   +4 more
doaj   +1 more source

Methylxanthines Inhibit Primary Amine Oxidase and Monoamine Oxidase Activities of Human Adipose Tissue

open access: yesMedicines, 2020
Background: Methylxanthines including caffeine and theobromine are widely consumed compounds and were recently shown to interact with bovine copper-containing amine oxidase.
Wiem Haj Ahmed   +8 more
doaj   +1 more source

Methylxanthines and the Kidney [PDF]

open access: yes, 2010
This chapter describes the effects of the natural methylxanthines caffeine and theophylline on kidney function. Theophylline in particular was used traditionally to increase urine out put until more potent diuretics became available in the middle of the last century.
Hartmut, Osswald, Jürgen, Schnermann
openaire   +2 more sources

A Prospective Survey on Safety of Sustained-Release Theophylline in Treatment of Asthma and COPD

open access: yesAllergology International, 2006
Background: Theophylline is a useful drug for the treatment of asthma. The Asthma Prevention and Management Guidelines (JGL) recommend use of sustained-release theophylline products as controllers and of injectable aminophylline products as relievers ...
Sohei Makino   +7 more
doaj   +1 more source

DEVELOPMENT AND VALIDATION OF A FAST AND SIMPLE HPLC-UV METHOD TO DETERMINE CAFFEINE IN GUARANA (Paullinia cupana) FOOD SUPPLEMENTS

open access: yesQuímica Nova, 2021
Caffeine and guarana are safe foods according to the American (FDA) and Brazilian (ANVISA) health agencies. However, data regarding the composition, quality, and safety of guarana-based food supplements sold in Brazil are limited.
Júlia Cecília Pereira Coura   +4 more
doaj   +1 more source

Prospective Survey on Safety Evaluation of Injectable Methylxanthines in Japan

open access: yesAllergology International, 2006
Background: Injectable methylxanthines are useful drugs in the treatment of asthma. The Asthma Prevention and Management Guidelines (JGL) that are followed in Japan recommend the use of sustained-release theophylline to control the disease and use of ...
Ken Ohta   +7 more
doaj   +1 more source

Methylxanthines induce structural and functional alterations of the cardiac system in zebrafish embryos

open access: yesBMC Pharmacology and Toxicology, 2017
Background Zebrafish embryos are emerging as a model for pharmacological and toxicological studies. We used zebrafish embryos to study the general toxicity and cardiovascular effects of eight methylxanthines: aminophylline, caffeine, diprophylline ...
Ram Manohar Basnet   +4 more
doaj   +1 more source

Chemometric Classification of Colombian Cacao Crops: Effects of Different Genotypes and Origins in Different Years of Harvest on Levels of Flavonoid and Methylxanthine Metabolites in Raw Cacao Beans

open access: yesMolecules, 2022
The aim of this study was to evaluate the levels of chemical markers in raw cacao beans in two clones (introduced and regional) in Colombia over several years.
Catalina Agudelo   +4 more
doaj   +1 more source

Association Between Plasma Caffeine and Other Methylxanthines and Metabolic Parameters in a Psychiatric Population Treated With Psychotropic Drugs Inducing Metabolic Disturbances

open access: yesFrontiers in Psychiatry, 2018
Importance: Multiple studies conducted in the general population identified an association between self-reported coffee consumption and plasma lipid levels.
Aurélie Delacrétaz   +13 more
doaj   +1 more source

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