Enkephalins and Endorphins Do you have an experience that you cut your finger‚ it is painful in the few minutes‚ after that‚ it stops that feeling. Do you know why? This related a kind of hormone called opioid peptides. Their function is as j nanalgesic hormones. Opioid neuropeptides were first discovered in 1974 by two independent groups of investigators: John Hughes and Hans Kosterlitz of Scotland isolated — from the brain of a pig，called enkephalins.1 Around the same time‚ in a calf brain‚
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Supercritical Carbon Dioxide as a Green Solvent Gregory Absillis June 2009 The majority of chemical processes in chemical synthesis are carried out in solution and organic solvents usually are the first choice. To satisfy this demand‚ 15 billion kilograms of organic are produced worldwide each year. [1] These solvents often bear considerable risk due to their toxicity‚ flammability or environmental hazards. Furthermore‚ they have to be separated from the products and recycled or disposed at
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Pineapple (Ananas comosus) skin and Dusol (Kaempferia galanga Linn.) Rhizome As Antibacterial Organic Soap A Science Investigatory Project Presented by: Romi Necq S. Abuel Bansud National High School Regional Science High School for Region IV -MIMAROPA Pag-asa‚ Bansud‚ Oriental Mindoro Abstract Many soaps in the market offer different kinds of benefits such as whitening the skin‚ treating various skin problems and removing bacteria from skin. But some may still produce
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The Effectiveness of Phosphoric Acid on Meat Chapter I. Introduction A. Background Of The Study This experiment was performed to find out if the acidity in Coca Cola could dissolve meat. The testing was done by placing pieces of pork‚ chicken breast and salmon into bowls filled with Coca Cola‚ and observing meat for 5 days. Coca Cola is a popular carbonated beverage that is sold in more than 200 countries. Also known as Coke‚ it can be purchased from vending machines‚ department stores and
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Alternative Methods of Producing Iodized Salt | AbstractDue to the high incidence of iodine deficiency diseases (IDD) in the Philippines‚ iodized salt has become quite popular on the market. The aim of this research project is to discover different methods of making cheap and accessible iodized salt. Different gadgets were designed to mix the salt and potassium iodate (KIO3) adequately. The iodometric titration method was used to test for the iodine content of the manufactured salt. To prove
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latter part of the experiment. The experimenters also need to determine the purity of caffeine by using the determined melting point. Caffeine is the compound that is responsible for the stimulating action of coffee and tea. It is an example of an alkaloid; a group of organic compounds containing nitrogen. They are produced by plants and have physiological actions. Chemically‚ they are weak organic bases. Coffee beans contain less caffeine than tea leaves when weighed dry‚ but a serving of coffee contains
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HPLC Analysis of Capsaicin Eric Sorenson Work Completed on 11/28/12 Quantitative analysis of Capsaicin was analyzed in three peppers that were expected to differ greatly in their capsaicin content and thus their relative spiciness. The idea was to have a nice range of capsaicin concentrations to clearly reflect the subjective pain one experiences from biting into a chili. Fresh Habanero‚ Jalapeno and Red Bell Pepper were purchased from the local Family Fresh grocery store to be analyzed
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caffeine are undoubtedly beneficial to people’s health. However‚ other studies have shown that its effect can have a negative impact on health. So what is caffeine and where do you find it? According to Merriam-Webster’s dictionary‚ it is "a bitter alkaloid C8H10N4O2 found especially in coffee‚ tea‚ and kola nuts and used medicinally as a stimulant and diuretic‚" (Merriam-Webster). It can be found in foods such as chocolate‚ cappuccino frozen yogurt and mocha cheesecake. Surprisingly enough‚ it can
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lense this paper will focus on the positive and negative effects of caffeine on the body in order to answer my groups overall question‚ “Should people cut back on the consumption of products containing caffeine?” Positive Effects Caffeine is an alkaloid‚ a nitrogen based compound that can be found in various plants‚ meaning that it has “identifiable physiological effects on the human body”
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what is horsetail(Equisetum arvense (L)) and it ’s super function? [pic] seminal trace...Horsetail Extract.CAS.NO.071011-23-9.Silica‚Vegetal Silica 7%HPLC.Equisetum arvense extract‚Equiseti herba‚CAS.NO:1343-98-2;7631-86-9.Horsetail Grass Extract‚Equisetum hyemale; Shavegrass. Equisetum arvense‚ extract;Horsetail (equisetium arvense) extract... [pic] [pic] Botanical Basic Data of Horsetail. [pic] Common horsetail‚plant description. [pic] Horsetail origin and class. [pic] Part Used
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