NDLI: Kinetics of thermal degradation of red anthocyanin extract from Dendrobium Sonia ‘Red Bom’ flower

Content Provider	IEEE Xplore Digital Library
Author	Noor Hafizah, A. Lee, Pat M. Lee, Kong Hung
Copyright Year	2010
Description	Author affiliation: Malaysia University of Science and Technology (MUST), Kelana Jaya Square, 47301Petaling Jaya, Selangor, Malaysia (Lee, Kong Hung) \|\| Materials Technology Program, Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Selangor, Malaysia (Noor Hafizah, A.; Lee, Pat M.)
Abstract	This paper reports the kinetics of thermal degradation of Dendrobium Sonia ‘Red Bom’ anthocyanins extract (DSAE) containing the red flavylium cations of anthocyanins. The stability of DSAE was studied at different temperatures for different periods of storage by measuring the absorbance at the wavelength of maximum absorption in the visible light region. The thermal degradation profiles at all temperatures followed first order kinetics. It was found that the t1/2 values of red DSAE at 80 and 100 °C were 187 and 90 min, respectively. On storage at 4, 27, 37 and 45 °C, the red DSAE has t1/2 values of 183, 96, 62 and 52 days, respectively. As red DSAE is relatively stable at low and high processing temperatures, it has the potential to be used as functional colorant for food, cosmetic, pharmaceutical, textile, paint and other industries.
Starting Page	21
Ending Page	24
File Size	524128
Page Count	4
File Format	PDF
ISBN	9781424489879
e-ISBN	9781424489862
DOI	10.1109/CSSR.2010.5773771
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-05
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Degradation Natural colorant Buffer storage Heating Orchidaceae Dendrobium Anthocyanins Kinetics Polymers Thermal stability Methanol
Content Type	Text
Resource Type	Article

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