Extraction of Caffeine from Tea Leaves Jaybee Balilea‚ Sharmaine Baysic‚ and Maria Anjelette Patricia Belen 3BIO7‚ Department of Biology‚ University of Santo Tomas‚ Manila‚ Philippines Abstract Extraction is a technique for isolating and purifying organic substances. In this technique‚ a solution is combined thoroughly with a second solvent that is immiscible with the first solvent. The solute is extracted from one solvent into the other because it is more soluble in the second solvent
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Isolation of Caffeine in Tea Introduction Today’s world is addicted to coffee and tea for an easy wake up. Both contain caffeine‚ a drug known for its stimulant properties. Tea‚ by weight‚ contains approximately 2-4% caffeine‚ and the average cup of tea has anywhere from 40 to 120 mg of caffeine (Landgrebe‚ 327; Mayo Clinic Staff). According to the American Heart Association‚ caffeine not only stimulates the brain and nervous system‚ but it releases fatty acids from adipose tissue‚ and affects
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THE EFFECTS OF EXTRA-CURRICULAR ACTIVITIES TO THE ACADEMIC PERFORMANCE OF 1CL AND 2CL MAAP MIDSHIPMEN A Thesis Presented to The Maritime Academy of Asia and the Pacific Mariveles‚ Bataan In Partial Fulfillment of the Requirements for the Degree Bachelor of Science in Marine Transportation Arlon Luigi R. AtienzaDale Kelsey S. KakazuPaul Christian C. AlimRonald Michael P. GlobioNovember 2014 Introduction Extracurricular activities are those that fall outside the realm of the normal curriculum
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of the East A Scientific Report On Whether Athletics Should Be Instated At Basten College Presented By: Erich Ziegler SMC 111 Final Project Professor Jay Basten 4-17-01 An intercollegiate athletics program at Basten College would provide many positives for the college. We would like to focus on the benefits to the majority of your students which would be spectators and athletes. These include health benefits‚ social benefits‚ and the effects on politics and race. We would also like to
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You are an Athletic Trainer. You are watching a local basketball basketball just in case anybody gets hurt. Then out of nowhere‚ a player hears a pop in his leg ‚ and is going through a lot of pain. You spring into action and try to help the poor player. Will you get him back into action in no time or will his basketball dreams be ruined forever? As an athletic trainer‚ you will have a lot of responsibilities. Athletic Trainers help athletes maintain physical health by teaching them how to
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their performance. However‚ if an athlete is not able to balance multiple physical and psychological stressors at equilibrium‚ many repercussions may arise which prevents athletes from functioning at a peak state. As a consequence to this prolonged chronic stress‚ the athlete suffers from burnout (Schaufeli & Buunk‚ 2003). Defining Burnout Athletic burnout is recognized as a growing psychological problem that is increasingly becoming a major factor in negatively affecting the performance of athletes
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EFFECTS OF ROMANTIC RELATIONSHIP ON SELF ESTEEM‚ IDENTITY AND ACADEMIC PERFORMANCE MUHAMMAD -. LUQMAN DEPARTMENT OF PSYCHOLOGY BAHAUDDIN ZAKRIYA UNIVERSITY MULTAN Sponsored by: HUMA WASEEM (waseem.huma@yahoo.com) ABSTRACT The present study aims at studying romantic relationship and its effects on academic performance‚ identity and self esteem. Parent and peer influences on academic achievement are well documented‚ but little research has examined links to romantic involvement during the adolescent
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Article: “Faster but not smarter: effects of caffeine and caffeine withdrawal on alertness and performance Journal: Psychopharmacology Publication Date: 30 October 2012 Is Caffeine Helping or Hindering Your Performance? Have you ever drunk coffee just for the taste? Studies show that that might be just what you’re doing when you take a sip of that bitter beverage. Whether you’re in high school and didn’t get enough sleep between sports and academics‚ you’re in college and finals are around the
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Head: EXAMINATION OF ATHLETIC PERFORMANCE An Examination of Athletic Performance and Self-Esteem among Intercollegiate Athletes Shaquoia Ayers University of Hartford November 2005 Abstract Only until recently coaches and sports psychologists want to study factors that are included in increasing an athlete ’s performance during competition. This article investigated the relationship between self-esteem and how it would predict and possibly increase the performance of National Collegiate
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Well we aren’t alone; according to Villanova Health Service about 90 percent of Americans consume caffeine in one way or another every single day. Transition: So what is caffeine you generally think of it in‚ Coffee‚ tea‚ soda‚ and chocolate‚ and its part of almost all college students daily diet. I. Caffeine A. What is caffeine 1. According to the Merriam-Webster dictionary caffeine is defined as a bitter alkaloid C8H10N4O2 (not that any of you care) found especially in coffee‚
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