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7-Methylxanthine ( 7-MX ), also known as heteroxanthine, is an active metabolite of caffeine (1,3,7-trimethylxanthine) and theobromine (3,7-dimethylxanthine). [ 1][ 2] It is a non-selective antagonist of the adenosine receptors. [ 1][ 2] The compound may slow the progression of myopia (nearsightedness). [ 1][ 2] It is under investigation for ...
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Bioconcentration. In aquatic toxicology, bioconcentration is the accumulation of a water-borne chemical substance in an organism exposed to the water. [ 1][ 2] There are several ways in which to measure and assess bioaccumulation and bioconcentration. These include: octanol-water partition coefficients (K OW ), bioconcentration factors (BCF ...
Infobox references. 1,3,7-Trimethyluric acid, also referred to as trimethyluric acid and 8-oxy-caffeine, is a purine alkaloid that is produced in some plants and occurs as a minor metabolite of caffeine in humans. [ 1] The enzymes that metabolize caffeine into 1,3,7-trimethyluric acid in humans include CYP1A2, CYP2E1, CYP2C8, CYP2C9, and CYP3A4 ...
We love this veggie for heart health since a ½-cup serving of canned pumpkin clocks in at fewer than 50 calories and provides 3 grams of triglyceride-lowering fiber. 6. Canned Tomatoes. Tomatoes ...
Caffeine (data page) Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class. [9] It is mainly used as a eugeroic (wakefulness promoter) or as a mild cognitive enhancer to increase alertness and attentional performance. [10][11] Caffeine acts by blocking binding of adenosine to the adenosine A 1 receptor, which enhances ...
Corn-cobbing is another behavior commonly seen in dogs, where they deposit tiny, gentle bites with their front teeth, as if nibbling on a corn cob. These bites are not meant to be painful and some ...
Caffeine dehydrogenase, commonly referred to in scientific literature as caffeine oxidase ( EC 1.17.5.2 ), is an enzyme with the systematic name caffeine:ubiquinone oxidoreductase. [1] The enzyme is most well known for its ability to directly oxidize caffeine, a type of methylxanthine, to trimethyluric acid. [2]