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Determine of caffeine using HPLC and other quality characteristics in different brands of coffee / Nor Aishah Akmal A. Rahman

Determination of caffeine in coffee was done using HPLC. The main objective of the analysis is to determine the caffeine conteiit in various coffee brands. Highest caffeine concentration was detected in Kapal Api roasted coffee which was 137.61 ppm. The lowest concentration of caffeine was obtained...

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Main Author: A. Rahman, Nor Aishah Akmal
Format: Thesis
Language:English
Published: 2005
Online Access:https://ir.uitm.edu.my/id/eprint/72548/1/72548.pdf
https://ir.uitm.edu.my/id/eprint/72548/
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spelling my.uitm.ir.725482024-05-29T09:19:32Z https://ir.uitm.edu.my/id/eprint/72548/ Determine of caffeine using HPLC and other quality characteristics in different brands of coffee / Nor Aishah Akmal A. Rahman A. Rahman, Nor Aishah Akmal Determination of caffeine in coffee was done using HPLC. The main objective of the analysis is to determine the caffeine conteiit in various coffee brands. Highest caffeine concentration was detected in Kapal Api roasted coffee which was 137.61 ppm. The lowest concentration of caffeine was obtained in Boh decaffeinated coffee with 11.29 ppm. Physical analysis of moisture content, ash and colour of coffee were also carried out to compare the quality characteristic between different coffee samples. The highest percentage of moisture content was obtained in Nescafe decaffeinated coffee which was 4.10%. The highest percentage of ash was found in Nescafe decaffeinated coffee. The percentage of the ash was 8.24%. Colour determination on the coffee sample was carried out using chromameter. 2005 Thesis NonPeerReviewed text en https://ir.uitm.edu.my/id/eprint/72548/1/72548.pdf Determine of caffeine using HPLC and other quality characteristics in different brands of coffee / Nor Aishah Akmal A. Rahman. (2005) Degree thesis, thesis, Universiti Teknologi MARA (UiTM).
institution Universiti Teknologi Mara
building Tun Abdul Razak Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Mara
content_source UiTM Institutional Repository
url_provider http://ir.uitm.edu.my/
language English
description Determination of caffeine in coffee was done using HPLC. The main objective of the analysis is to determine the caffeine conteiit in various coffee brands. Highest caffeine concentration was detected in Kapal Api roasted coffee which was 137.61 ppm. The lowest concentration of caffeine was obtained in Boh decaffeinated coffee with 11.29 ppm. Physical analysis of moisture content, ash and colour of coffee were also carried out to compare the quality characteristic between different coffee samples. The highest percentage of moisture content was obtained in Nescafe decaffeinated coffee which was 4.10%. The highest percentage of ash was found in Nescafe decaffeinated coffee. The percentage of the ash was 8.24%. Colour determination on the coffee sample was carried out using chromameter.
format Thesis
author A. Rahman, Nor Aishah Akmal
spellingShingle A. Rahman, Nor Aishah Akmal
Determine of caffeine using HPLC and other quality characteristics in different brands of coffee / Nor Aishah Akmal A. Rahman
author_facet A. Rahman, Nor Aishah Akmal
author_sort A. Rahman, Nor Aishah Akmal
title Determine of caffeine using HPLC and other quality characteristics in different brands of coffee / Nor Aishah Akmal A. Rahman
title_short Determine of caffeine using HPLC and other quality characteristics in different brands of coffee / Nor Aishah Akmal A. Rahman
title_full Determine of caffeine using HPLC and other quality characteristics in different brands of coffee / Nor Aishah Akmal A. Rahman
title_fullStr Determine of caffeine using HPLC and other quality characteristics in different brands of coffee / Nor Aishah Akmal A. Rahman
title_full_unstemmed Determine of caffeine using HPLC and other quality characteristics in different brands of coffee / Nor Aishah Akmal A. Rahman
title_sort determine of caffeine using hplc and other quality characteristics in different brands of coffee / nor aishah akmal a. rahman
publishDate 2005
url https://ir.uitm.edu.my/id/eprint/72548/1/72548.pdf
https://ir.uitm.edu.my/id/eprint/72548/
_version_ 1800726663305101312
score 13.160551

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