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INTERNATIONAL JOURNAL OF ENGINEERING DEVELOPMENT AND RESEARCH
(International Peer Reviewed,Refereed, Indexed, Citation Open Access Journal)
ISSN: 2321-9939 | ESTD Year: 2013

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Paper Details
Paper Title
Comparative Study On Extraction Of Caffeine From Three Different Roasted Tea And Green Tea And Determination Of Optimum Consumption Of Tea Per Day For An Adult.
Authors
  Dr. Nilanjana Bhattacharyya Nath

Abstract
Caffeine is a bitter, white crystalline xanthine alkaloid and a stimulant drug. It is found in varying quantities in the seeds, leaves, and fruit of some plants. Generally tea is made from the leaves of an Asian evergreen known as Camellia sinensis. Caffeine is a prime constituent of tea. The presence of caffeine in plants helps to prevent them from insects and other herbivores with the compound’s bitter taste and stimulating qualities. The growing buds and young leaves of tea plants manufacture the highest amounts of caffeine. Caffeine is the only legalized central nervous system stimulant to be used among humans. This experiment was conducted to estimate the total amount of caffeine in used tea leaves of roasted tea and green tea. 5g of roasted tea from three different sources Darjeeling, Assam and Nilgiri obtained caffeine 0.1g, 0.058g and 0.060g respectively. 5g of green tea from three different sources Darjeeling, Assam and Nilgiri obtained caffeine 0.040g, 0.037g and 0.021g respectively. The objective of this experiment was to extract caffeine from roasted tea and green tea and to check the quantity of different variety of roasted and green tea safe for human consumption.

Keywords- caffeine, roasted tea, green tea, human consumption.
Publication Details
Unique Identification Number - IJEDR1903049
Page Number(s) - 287-291
Pubished in - Volume 7 | Issue 3 | July 2019
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Dr. Nilanjana Bhattacharyya Nath,   "Comparative Study On Extraction Of Caffeine From Three Different Roasted Tea And Green Tea And Determination Of Optimum Consumption Of Tea Per Day For An Adult.", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.7, Issue 3, pp.287-291, July 2019, Available at :http://www.ijedr.org/papers/IJEDR1903049.pdf
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