Proton pump inhibitors (PPIs) are a group of medicines, such as lansoprazole and omeprazole, that work on the cells that line the stomach, reducing the production of acid. The stomach normally produces acid to help with the digestion of food and to kill germs (bacteria). This acid is corrosive so the body produces a natural mucous barrier which protects the lining of the stomach from being eroded. In some people this barrier may break down and allow the acid to damage the stomach, causing an ulcer. In others, a problem may occur with the muscular band at the top of the stomach (the sphincter) that keeps the stomach tightly closed.
In the sodium iodide test, the alkyl halide is added to sodium iodide in acetone. In this test, primary halides precipitate the fastest while secondary halides need to be heated in order for a reaction to occur. Comparison of the rates of precipitation of the obtained product to standard 1° and 2° bromide solutions will show whether the product is a primary or secondary
G-cells produce gastrin which is a hormone that enables the production the production of hydrochloric acid by the parietal cells. An animal’s stomach is protected by epithelial cells, which produce and secrete a bicarbonate-rich solution that coats the mucosa. The bicarbonate is a base that neutralizes the acid secreted by parietal cells, producing water in the process. Your stomach protects itself from auto digestion which is organs being digested by stomach acid, due to the continuous supply of bicarbonate. The inner surface of the stomach is lined by a mucous membrane, known as the gastric mucosa or epithelial cells.
The purpose of this lab is to observe the reaction between hydrochloric acid and magnesium metal. When the substances are reacted over water, the products produced are a salt in aqueous solution and a gas. While the salt remains in the water as part of a solution, the gas produced will float to the top. Though water vapor pressure will affect the pressure of the gas in the eudiometer, it is possible to apply Dalton’s law of partial pursues to find the dry pressure of the gas. When the dry pressure is determined, the volume of the gas at STP can then be determined and what the experimental volume of one mole of the gas would be at STP.
To analyze the acetanilide product of the reaction, 1H NMR and IR were used. Results, Discussions, and Conclusions In this experiment, acetanilide was synthesized via nucleophilic acyl substitution from both acetic anhydride and aniline. During this reaction, aniline acts as the nucleophile and acyl (CH3CO-) group from acetic anhydride acts as the electrophile. The hydrogen atom of –NH2 group is replaced by the acyl group. The crude product contained acetanilide, and acetic acid, which was the impurity.
MM 3320 : Report Mass Spectrometry Submitted by Velu K R NA12B033 Introduction Mass Spectroscopy is an instrumental method for identifying the chemical constitution of a substance by means of the separation of gaseous ions according to their differing mass and charge. This method helps identify the amount and type of chemicals present
It not only affects fatty acid composition and the nutritional quality of the food, it also causes undesirable changes in colour, aroma and produce toxic compounds (Wasowicz, 2004). The toxic compounds produce from lipid oxidation, especially lipid-derived aldehydes are very stable. It can diffuse from their site of generation and bring damage at remote locations. Depends on the concentration of the lipid oxidation products, it cause effects
The different types of fat include saturated fat, trans fat, monounsaturated fatty acids, and polyunsaturated fatty acids. The trans fats are classified as “bad fats”. They are a type of hydrogenated man-made fat usually found in processed foods. Hydrogenation is used to turn healthy oils into solids and to stop them from going rancid. Trans fat lowers your “good” cholesterol (HDL) while raising your
When the stomach acids go from the esophagus to the throat it can cause irritation and inflammation, which can dry out the throat and the mouth. • Coffee Over consumption of drinks that contain caffeine can lead to dehydration. Caffeine is a mild diuretic, which causes frequent urination and tannins cause dryness in the mouth. • Diabetes Untreated diabetes can cause dryness in the mouth. When the glucose levels are high, the kidneys cannot reabsorb liquids, they get released through urination and the body gets dehydrated.