The development of a rapid method for the determination of N-methyl2-pyridone-5-carboxamide (pyridone) in urine (1) has made it practical to attempt to confirm and extend the studies of Holman and de Lange (2) and others (3-5) concerning the excretion of the pyridone following the administration of various known or possible precursors to man. In the conversion of nicotinic acid to the pyridone ...

OBJECTIVE Some natural products consisting of the alkaloids yohimbine and vincamine (indole-type), scopolamine and atropine (tropane-type), colchicine (tropolone-type), allantoin (imidazolidine-type), trigonelline (pyridine-type) as well as octopamine, synephrine, and capsaicin (exocyclic amine-type); the flavonoid derivatives quercetin, apigenin, genistein, naringin, silymarin, and silibinin; ...

Background: Pinang yaki has bioactive compounds that have potential as a new herbal supplement. A better understanding of the pinang using untargeted metabolomic profiling studies will provide clearer insight into health benefits and in particular its for therapy prevention Covid-19. Methods: Fresh samples (Areca vestiaria) are ob...

This study was conducted for two seasons from 2018 to 2020 determine fenugreek genotypes yield and quality characteristics under semiarid climatic conditions. Fenugreek viz., Adana, Afghanistan, Gaziantep, Iraq, Kahramanmaraş, Kayseri, Mardin, Şanlıurfa with varieties of Berkem Gürarslan were used as plant material in the research. Field trials four replications according randomized complete bl...

Background: Pinang yaki has bioactive compounds that have potential as a new herbal supplement, but their metabolites profil is lack of data. A better understanding the pinang using untargeted metabolomic profiling studies will provide clearer insight into health benefits in further. Methods: Fresh samples (Areca vesti...