Results 101 to 110 of about 11,718 (195)

Verwandlung des Theobromins in methylirte Harnsäuren [PDF]

Berichte der deutschen chemischen Gesellschaft, 1895
Nachdem die Uberfuhrung der γ-Dimethylharnsaure in Chlortheophyllin durch Phosphorpentachlorid, welche die Synthese des Caffeins ermoglicht hat und demnachst ausfuhrlich beschrieben werden soll, aufgefunden war, lag es nahe, den umgekehrten Ubergang von den Halogenxanthinen zu der Harnsaure und ihren Homologen zu suchen.
openaire   +1 more source

J Nutr [PDF]

, 2018
BackgroundCaffeine is a widely consumed psychoactive stimulant and is of epidemiological interest. Major sources of caffeine are challenging to standardize, and the use of biomarkers has been proposed as an alternative means of assessing intake ...
Rudianto, Rahmat
core   +1 more source

In Vitro Cytotoxic and Remineralization Effects on the Tooth Enamel Surface of Theobromine after the Artificial Induction of Dental Carious Lesions

Medical Journal of Babylon
Background: Theobromine is a methylxanthine alkaloid, and it is mainly found in cocoa and chocolate. It has the ability to enhance the size of hydroxyapatite crystals in enamel, leading to precipitation on the enamel surface and slowing down the ...
Maryam I. Ajeel, Aseel H. Al Haidar, Najim A. Al-Masoudi   +2 more
doaj   +1 more source

Transfer of Caffeine and Its Major Metabolites to Chicken Eggs

Animals
This study aimed to determine whether the eggs of laying hens fed caffeine contain this compound and its primary metabolites (theophylline, theobromine, and paraxanthine).
Mailson da Silva Teixeira, Carolina Julia Costa Saraiva, Bárbara Pereira dos Santos, Thais Cristina Vann, Leonardo José Camargos Lara, Benito Soto-Blanco   +5 more
doaj   +1 more source

Проект производства теобромина [PDF]

, 2016
Дипломный проект состоит из 148 страниц, 4 рисунка, 35 таблиц, 30 источников. Графическая часть представлена на 5 листах. Ключевые слова: теобромин, периодическое производство, аппарат метилирования , стадия, сырье.
Пасюкова, Лариса Васильевна
core  

Application of Laser Mass Spectrometry to Art and Archaeology [PDF]

, 2011
REMPI laser mass spectrometry is a combination of resonance enhanced multiphoton ionization spectroscopy and time of flight mass spectrometry, This technique enables the collection of mass specific optical spectra as well as of optically selected mass ...
Callahan, Michael P., deVries, Mattanjah S., Gulian, Lase Lisa E., McGovern, Patrick E., Muliadi, Sarah, Owens, Shawn, Schmidt, Catherine M., Trentelman, Karen A.   +7 more
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Cocoa Husk Extract Administration on Suspected Stress Cattle before Slaughter Prepare Good Meat Quality [PDF]

The paper will be in the Proceedings of 2013 International Conference on Agriculture and Biotechnology (ICABT 2013) Kuala Lumpur, 29-30 December, 2013The aim of this study was to observe at observation onthe beneficial effects of cocoa husk extract ...
M. Ali, Hikmah
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EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA); Scientific Opinion on the substantiation of health claims related to caffeine and theobromine in cocoa (Theobroma cacao L.) and enhancement of mood (ID 4276) pursuant to Article 13(1) of Regulation (EC) No 1924/2006 [PDF]

, 2011
Bruinsma, Smit
core   +1 more source

Reproductive toxicology. Theobromine. [PDF]

Environmental Health Perspectives, 1997
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Alkylierung des Theobromins [PDF]

Justus Liebigs Annalen der Chemie, 1921
Heinrich Biltz, Fritz Max
openaire   +1 more source