Natn.Sci.Foundation Sri Lanka 2013 41 (4): 309-318 DOI: http://dx.doi.org/10.4038/jnsfsr.v41i4.6058 RESEARCH ARTICLE Use of biochemical compounds in tea germplasm characterization and its implications in tea breeding in Sri Lanka J.D. Kottawa-Arachchi1*‚ M.T.K. Gunasekare2‚ M.A.B. Ranatunga1‚ P.A.N. Punyasiri3 and L. Jayasinghe1 Tea Research Institute of Sri Lanka‚ Talawakelle. Coordinating Secretariat of Science‚ Technology & Innovation‚ 3rd Floor‚ Standard Charterd Building‚ Chatham
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INTRODUCTION: Lipton was created at the end of the 19th century by Sir Thomas Lipton. Under the slogan “Direct from the tea gardens to the tea pot” this entrepreneurial businessman wanted to make tea a popular and approachable drink for everyone - with a high quality but reasonably priced product. The Lipton business was acquired by consumer goods company Unilever in a number of separate transactions‚ starting with the purchase of the US and Canadian Lipton business in 1938 and completed in 1972
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1 2 A CUP OF TEA BY KATHERINE MANSFIELD 3 4 5 Comment [LS1]: The title is linked to the central incident in the story and also acts as a linking device between Rosemary and Miss Smith. As Rosemary emerges from the antique shop in the cold‚ winter weather‚ she feels she ‘ought to go home and have an extraspecial cup of tea’. Immediately after that Miss Smith appears‚ begging desperately for something Rosemary has plenty of but which Miss Smith needs to sustain her existence. Miss
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Caffeine from Lipton® Tea Leaves Nathaniel Camangon*‚ Kaila Bumagat‚ Franz Mari Burgos‚ Remigio Callanta Department of Chemistry‚ College of Science‚ University of Santo Tomas‚ Manila‚ Philippines Abstract This experiment mainly focuses on the extraction of pure caffeine by multiple extraction from commercially acquired tea leaves and determining its purity by melting point determination. A 0.02% yield of pure caffeine was obtained from 10.4978g of tea leaves (4 tea bags). The acquired pure
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go wrong with tea tree oil and Jojoba oil Do you suffer from acne blackheads and whiteheads? Perhaps you have cysts and pimples. Whatever acne issue you might have‚ you obviously want to end it. As much as you feel desperate to eliminate your acne‚ you probably don’t think there is a cure you have not tried. The truth is that if you have not tried tea tree oil and jojoba oil for acne you cannot quit yet. We will explain how each of these oils could be used to eliminate acne. Tea tree oil – What
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1. Introduction of tea industry : * Historical Background: Tea was introduced to Sri Lanka after coffee was destroyed by Coffee Leaf Rust in the 19th century. James Taylor‚ a Scottish planter‚ established the first commercial tea plantation in 1867 at Loolkandura Estate in Kandy District of Sri Lanka. The great success of tea planting attracted English planters and more plantations were established‚ replacing existed coffee fields. Subsequently‚ as the coffee area was not big enough to
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EXTRACTION OF CAFFEINE FROM TEA LEAVES ABSTRACT Caffeine extraction from the commercial tea leaves (Lipton Yellow Label Tea) that was done is multiple extraction. 4 tea bags were used in the experiment; tea leaves were weighed having 8.5333 grams. The leaves were boiled in a beaker with 150ml of water; the aqueous tea extract was transferred in a seperatory funnel mixed with DCM (20ml)‚ done thrice. The DCM layer was washed with 20ml 6M NaOH in the seperatory funnel; the organic layer
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Herbal tea beverage industry titans fight is going to be By: Powdered | Date: 05/14/2012 | Categories: Herbal extract Number of View: 126 Herbal tea beverage industry titans fight is going to be staged one to another to get the herbal tea Using the Secretary of state for Health Herbal tea “Rectification of names” for herbal tea to get rid of a significant obstacle to the introduction of all routes in to the herbal market of capital compete. Lately‚ local daily chemical giant Guangdong King Worldwide
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Extraction of Caffeine from Tea Leaves Santos‚ Raphael‚ Samson‚ Nonia Carla‚ *Tabora‚ Brylle‚ Tan‚ Kate Michal Department of Biological Sciences‚ University of Santo Tomas‚ Manila‚ Philippines Abstract Tea leaves are natural products that are harvested from agriculture. Caffeine‚ on the other hand‚ is a stimulant that has been shown to speed up the time of reaction‚ increase alertness‚ and improve one’s concentration. What we did in this experiment was to extract the alkaloid caffeine content
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Extraction of caffeine from Lipton tea leaves Maria Gianna Beatrice L. Cancio*‚ Joe Mari Isabella B. Caringal‚ Rowena A. Chiang‚ Patricia Deanne del Valle Department of Biological Sciences‚ College of Science‚ University of Santo Tomas‚ España‚ Manila‚ Philippines Abstract Caffeine was extracted from Lipton tea leaves by multiple extraction techniques namely solid to liquid extraction and liquid to liquid extraction; the purification by sublimation and melting point determination. Three
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