trigonelline वाक्य
उदाहरण वाक्य
मोबाइल
- Nucleophilic attack of trigonelline was a known reaction at that time.
- Higher levels of trigonelline is found in arabica coffee.
- Trigonelline is a product of niacin metabolism that is excreted in urine of mammals.
- Trigonelline is a methyl betaine of nicotinic acid.
- Without sugar it shouldn't lead to chemical responsible appears to be trigonelline.
- Trigonelline enhances the nucleophilic nature of nicotinic acid.
- Mutagenic activity of trigonelline has been reported.
- Trigonelline is also found in coffee.
- Figure 2 : Major synthetic steps leading to dioscorine from trigonelline precursor in "'Dioscorea hispida "'
- Active ingredinets of this herb include : methionine, glycine, ?-aminobutyric acid, ephedrine, trigonelline, phytosterols and glucoronic acid.
- Trigonelline ( " N "-methyl-nicotinate ) is a derivative of nicotinic acid, leaving small amounts of the unchanged molecule in the roasted beans.
- In green coffee beans, trigonelline is synthesized from nicotinic acid ( pyridinium-3-carboxylic acid ) by methylation from methionine, a sulfur-containing amino acid.
- Leete at al further refined this model in 1989, and showed that it was trigonelline ( nicotinic acid methylated at the nitrogen ) that served as an intermediate in the biosynthesis of dioscorine.
- Nonvolatile nitrogenous compounds ( including alkaloids, trigonelline, proteins, and free amino acids ) and carbohydrates are of major importance in producing the full aroma of roasted coffee and for its biological action.
- When trigonelline is heated in closed tubes with barium hydroxide at 120 �C, it gives rise to methylamine, and, if treated similarly with hydrochloric acid at 260 �C creates chloromethane and nicotinic acid ( a form of vitamin B3 ).
- Internet claims for individual chemicals, or compound synergies, such as preventing dental cavities ( speculative but unproven effect of the alkaloid trigonelline with " in vitro " bacterial attachment research, but missing " in vivo " research on any health effects ), preventing kidney stones, or negative effects, also have been avoided.
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