Color stability of natural colorant in turmeric

Nowadays, synthetic food colorants are steadily replaced by the natural ones because of consumer preferences due to the health. Natural colorant additives are usually considered as color additives derived from plant or animal sources by extraction. Turmeric is used in this research because of their...

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Main Author: Nur Athirah, Hassan
Format: Undergraduates Project Papers
Language:English
Published: 2010
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/2708/
http://umpir.ump.edu.my/id/eprint/2708/
http://umpir.ump.edu.my/id/eprint/2708/1/NUR_ATIHRAH_BINTI_HASSAN.PDF
id ump-2708
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spelling ump-27082015-03-03T07:58:05Z http://umpir.ump.edu.my/id/eprint/2708/ Color stability of natural colorant in turmeric Nur Athirah, Hassan TP Chemical technology Nowadays, synthetic food colorants are steadily replaced by the natural ones because of consumer preferences due to the health. Natural colorant additives are usually considered as color additives derived from plant or animal sources by extraction. Turmeric is used in this research because of their advantages especially as a source of coloring matter for food industries and textile. Plus, the application of turmeric as food colorant is limited in other research. Turmeric consists of three main components which are curcumin, demethoxy curcumin and bisdemethoxy curcumin that are responsible for its bright yellow in color. The purpose of this study is to determine the color stability of turmeric, by manipulated on storage days, by using difference concentration solvent and variety type of solvents. The method used in this research is the simple extraction process of the turmeric. The turmeric was soaked in 10%v/v, 20%v/v, 30%v/v and 40%v/v of ethanol and methanol with stabilizer (maltodextrin) in six days of storage days. The solutions were heated to their boiling point and their colors were analyzed. The stability of the turmeric was analyzed by hach DR4000 spectrophotometer by using CIE lab method based on Hunter Lab. The results shown that the values of L* , a* and b* of turmeric are different due to the storage days either in methanol or ethanol. Based on the results, turmeric color stability starts on day 5 for solvent with 10% ethanol. 2010-04 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/2708/1/NUR_ATIHRAH_BINTI_HASSAN.PDF Nur Athirah, Hassan (2010) Color stability of natural colorant in turmeric. Faculty of Chemical & Natural Resources Engineering, Universiti Malaysia Pahang. http://iportal.ump.edu.my/lib/item?id=chamo:58776&theme=UMP2
repository_type Digital Repository
institution_category Local University
institution Universiti Malaysia Pahang
building UMP Institutional Repository
collection Online Access
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Nur Athirah, Hassan
Color stability of natural colorant in turmeric
description Nowadays, synthetic food colorants are steadily replaced by the natural ones because of consumer preferences due to the health. Natural colorant additives are usually considered as color additives derived from plant or animal sources by extraction. Turmeric is used in this research because of their advantages especially as a source of coloring matter for food industries and textile. Plus, the application of turmeric as food colorant is limited in other research. Turmeric consists of three main components which are curcumin, demethoxy curcumin and bisdemethoxy curcumin that are responsible for its bright yellow in color. The purpose of this study is to determine the color stability of turmeric, by manipulated on storage days, by using difference concentration solvent and variety type of solvents. The method used in this research is the simple extraction process of the turmeric. The turmeric was soaked in 10%v/v, 20%v/v, 30%v/v and 40%v/v of ethanol and methanol with stabilizer (maltodextrin) in six days of storage days. The solutions were heated to their boiling point and their colors were analyzed. The stability of the turmeric was analyzed by hach DR4000 spectrophotometer by using CIE lab method based on Hunter Lab. The results shown that the values of L* , a* and b* of turmeric are different due to the storage days either in methanol or ethanol. Based on the results, turmeric color stability starts on day 5 for solvent with 10% ethanol.
format Undergraduates Project Papers
author Nur Athirah, Hassan
author_facet Nur Athirah, Hassan
author_sort Nur Athirah, Hassan
title Color stability of natural colorant in turmeric
title_short Color stability of natural colorant in turmeric
title_full Color stability of natural colorant in turmeric
title_fullStr Color stability of natural colorant in turmeric
title_full_unstemmed Color stability of natural colorant in turmeric
title_sort color stability of natural colorant in turmeric
publishDate 2010
url http://umpir.ump.edu.my/id/eprint/2708/
http://umpir.ump.edu.my/id/eprint/2708/
http://umpir.ump.edu.my/id/eprint/2708/1/NUR_ATIHRAH_BINTI_HASSAN.PDF
first_indexed 2023-09-18T21:56:46Z
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