Cocaine is a powerful central nervous system (CNS) stimulant that heightens alertness‚ inhibits appetite and the need for sleep‚ and provides intense feelings of pleasure. It is prepared from the leaf of the Erythroxylon coca bush‚ which grows primarily in Peru and Bolivia. Street dealers dilute it with inert (non-psychoactive) but similar-looking substances such as cornstarch‚ talcum powder‚ and sugar‚ or with active drugs such as procaine and benzocaine (used as local anesthetics)‚ or other
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constituents present in Licania arborea leaves. Abundant amount of amino acids‚ phenolic compounds‚ triterpenoids and tannins‚ moderated presence of flavonoids and leucoantocianidines‚ and the absence of nafto- and antroquinones‚ cardiotonics and alkaloids was observed. The high content of phenolic compounds happens to be interesting as there is a high probability polar extract from the leaves of this plant have antioxidant activity. Preliminary experiments with trypan blue and MTT with different
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ABSTRACT The purpose of the study is to investigate production of tea from guyabano leaves. It also deals with the investigation of the quality of the tea produced and compares it to commercialized tea. The tea was produced by following the method of cutting‚ drying and heating. The finished product was then tested for its quality through testing and comparison to commercialized tea. As based on the results‚ the guyabano leaves can be made into a tea. The tea produced from
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Coleridge and Percy Bysshe Shelley. But cocaine was something different again. Prior to 1860‚ the active ingredient in cocaine was only available in the form of natural coca leaves. The form in which the drug is chiefly used today occurred when the alkaloid present in coca‚ named cocaine by its discoverer‚ Dr Albert Niemann‚ was first isolated. It was then taken up medicinally‚ and used in herbal tonics such as Vin Mariani‚ a restorative
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INTRODUCTION Those plants that have healing properties are termed as medicinal plants or herbs. The plant kingdom is divided into several groups‚ but the botanical classification is beyond the scope of this section. However‚ medicinal plants can be simply classified as trees‚ shrubs‚ woody perennials‚ annuals and biennials‚ and climbers. (http://eatt1.tripod.com/amp1.html) Medicinal plants consist of components of therapeutic values and have been used as remedies for human diseases
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The plant extracts used are shown in Table1. Chemical composition of plant extracts has beenshown in Table 2. It was found that all extracts were positive for carbohydrates while as Cleome amblyocarpa was free of flavonoids and alkaloids. Aervalanata‚ Nerium oleander and Rhazyastricta Decne all showed negative test for saponins (Table 2). The effect of medicinal plant extracts on mycellial dry weight on P. notatumis presented in Table 3. All plant extracts showed effective reduction
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A current problem I see that has not been fully aware or solved is vaping or the use of e-cigarettes. There are places where vaping is accepted but‚ there other countries that are trying to ban the use of vaping. Before vaping was getting popular there was no signs stating you can’t vape‚ like how there are signs for cigarettes. For those that do not know vaping is for anyone who is trying to quit smoking but‚ the tobacco companies are trying to discount the products of vaping. They are not interested
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The Columbian Exchange is know as “one of the more spectacular and significant ecological events of the past millenium” (Crosby). It had a wide impact on the Americas‚ Asia‚ Europe‚ and Africa. The dominant start to the Columbian Exchange was way before it truly started‚ millions of years ago‚ when pangaea began to drift apart and tear between the Americas‚ Europe‚ Asia‚ and Africa. That caused major evolution. There were some animals‚ plants‚ foods‚ and substances that were only on one side of the
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In my opinion I believe the authors main point in this essay was to vindicate anything that Chris McCandless did in his life. When reading I could definitely sense Krakauers natural liking for McCandless. He was sympathetic to McCandless‚ based on Krakauers sense of a shared experience in their youth and up until McCandless eventual death and Krakauers perceived near death experience on the Devils Thumb. I believe the author’s main point and perspective was formed from his own experience and relationship
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shown that the amount of young athletes using drugs has increased. Not only this‚ but more and more different drugs have been introduced to them. Ergogenic drugs used today include many different steroids‚ growth hormones‚ creatine‚ and ephedra alkaloids. Athletes are beginning to have a “head start” on the types of drugs that should be used. Children are being exposed to drugs‚ and begin to use them as early as their middle school years. Although these drugs may actually be prescribed for some athletes
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