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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 this ...
[15] k 1 is the rate constant for chemical uptake from water at the respiratory surface (L*kg −1 *d −1). [15] C WD is the chemical concentration dissolved in water (g*L −1 ). [ 15 ] k 2 ,k E ,k G ,k B are rate constants that represent excretion from the organism from the respiratory surface, fecal excretion, metabolic transformation, and ...
Nervonic acid has 24 carbons, is found in brain glycolipids (Nervon) and sphingomyelin, and is a cis -15-mono-unsaturated fatty acid. C 23 H 45 CO 2 H, IUPAC organization name (Z)-tetracos-15-enoic acid, numerical representation 24:1, n-9, molecular weight 366.62, melting point 42–43 °C. CAS Registry Number 506-37-6.
Quantitative. Quantitative fecal fat tests measure and report an amount of fat. This is usually done over a period of three days, the patient collecting all of their feces into a container. The container is thoroughly mixed to homogenize the feces, without using specific mixer equipment. A small sample from the feces is collected.
Fat interesterification. In the food industry and biochemistry, interesterification (IE) is a process that rearranges the fatty acids of a fat product, typically a mixture of triglycerides. The process implies breaking and reforming the ester bonds C–O–C that connect the fatty acid chains to the glycerol hubs of the fat molecules.
Entamoeba histolytica. Giardia. Trichinella. v. t. e. FAT TOM is a mnemonic device used in the food service industry to describe the six favorable conditions required for the growth of foodborne pathogens. It is an acronym for food, acidity, time, temperature, oxygen and moisture. [1]
1,3,7-Trimethyluric acid is a minor caffeine metabolite. [5] 7-Methylxanthine is also a metabolite of caffeine. [194] [195] Each of the above metabolites is further metabolized and then excreted in the urine. Caffeine can accumulate in individuals with severe liver disease, increasing its half-life. [196]
t. e. Fat hydrogenation is the process of combining unsaturated fat with hydrogen in order to partially or completely convert it into saturated fat. Typically this hydrogenation is done with liquid vegetable oils resulting in solid or semi-solid fats. Changing the degree of saturation of the fat changes some important physical properties, such ...