Extraction of Caffeine from Tea Leaves Marc Tugaoen‚ Kristine Vanzuela‚ Rafael Villanueva‚ Justeen Wong Department of Chemistry‚ University of Santo Tomas‚ Manila‚ Philippines Abstract This experiment has been divided into 4 set-ups‚ first was the solid-liquid extraction‚ next was the liquid-liquid extraction‚ then the sublimation and last was the melting point determination. The solid-liquid and liquid-liquid extraction were both done during the first meeting‚ the DCM layer was filtered and
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Things Fall Apart ’ is the novel written in 1959 by the Nigerian writer‚ Chinua Achebe. The novel itself is ironic‚ tragic and satirical where the author at most describes the conflict between the traditional society of Umuofia with the new customs brought by the white people. Another theme of the novel is contributed through the protagonist‚ Okonkwo‚ who struggles to be strong‚ masculine‚ respected family man‚ rather than his father‚ Unoka - weak‚ effeminate‚ lazy and poor. Through this novel
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zeatin‚ quercetin‚ β sitosterol‚ caffeoylquinic acid and kaempferol. In addition to its compelling water purifying powers and high nutritional value‚ M. oleifera is very important for its medicinal value. Various parts of this plant such as the leaves‚ roots‚ seed‚ bark‚ fruit‚ flowers and immature pods act as cardiac and circulatory stimulants‚ possess antitumor‚ antipyretic‚ antiepileptic‚ antiinflammatory‚ antiulcer‚ antispasmodic‚ diuretic‚ antihypertensive‚ cholesterol lowering‚ antioxidant
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2015 Exploring Language and Identity Question: Language is more than words put together; it is a tool of communication. What does Amy Tan author of “Mother Tongue” and Manuel Munoz author of “Leave your name at the border” say is the importance of language to them? How do they differ on their lives? Language is more than words put together; it explores the intimate use of language we share with family and peers which is how
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The begin of the moving-picture; Penelope is bearing Odysseus’ child‚ Telemachus. Later‚ the rulers (Agamemmon and Menalayes) make Odysseus leave Ithica for war against the Trojans. He was meaning to bring his bow with him on his excursion‚ however‚ his mom instructed him to keep the bow in Ithica in this manner once he returns home he can demonstrate his child the best approach to utilize it. Before leaving his home‚ Odysseus prays to the Goddess Athena to help him through this war. At that point
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CHAPTER 4 RESULTS AND DISCUSSION 4.1 Percentage yield Fresh leaves of C. nardus with 1 kg portion yielded about 22.57g of aqueous crude extract‚ which was approximately about 2.26% of yield. The result showed that fresh leaves had a higher percentage yield compared to the air-dried leaves‚ it was only 1.3% yield which conducted by Koba et al. (2009) with the similar extraction technique. There were other factors that might affect the percentage yield‚ such as influence of the harvest place
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perspectives are represented by the composer in a way that conveys their personal opinion with the aim to influence their responder’s perspective of the issues and themes presented‚ not in an unbiased and even-handed manner. This is evident within both Snow Falling on Cedars written by David Guterson and the 2008 film Invictus directed by Clint Eastwood within which the negative and ongoing impact of racial tension and prejudice is shown‚ and the differing perspectives and understanding of human values is explored
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Personnel Management defines sick leave as “paid absence from duty”. An employee is entitled to use sick leave for personal medical needs‚ family care or bereavement‚ care of a family member with a serious health condition‚ or adoption-related purposes. There is no limitation on the amount of sick leave that can be accumulated. An employee should use sick leave whenever the employee is inhibited from performing their assigned duties due to any of the approved sick leave entitlement reasons. Failure to
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into this world‚ your life changes drastically. When a mother needs to take off work for maternity leave there is never a problem‚ but when the father tries it can cause a lot of chaos. Most new or expecting fathers wish they could be involved at birth. Many working dads lack the paternity leave they need because they are not offered paternity leave. Men should have the right to take paternity leave so they can help the mother of their child. If the father is given the chance to take time off to help
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sexism into oppression and racism. Throughout Brenda DoHarris’s novel‚ Calabash Parkway‚ feminism is displayed on numerous occasions by the Guyanese women being portrayed in the story. There are examples of feminism in Thelma Thompson’s novel‚ Bay Leaves and Cinnamon Sticks‚ by Miss Millie‚ a Jamaican woman who finds work in the United States. The meaning of feminism amongst women of color can be analyzed in several ways. Typically‚
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