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2018 Volume 9 Issue 2

Characterization of physical properties of red beet pigments


Afnan F. Halwani, Heba A. Sindi, Hanan A Jambi
Abstract
This work aimed to extract betalain pigments from red beet (Beta vulgaris L.) by different extraction methods: water and citric acid (2%) solvents to select the optimal method for extraction. In addition, the study determined total betalains, and effect of pH, time and temperature on betalains stability. The results showed that, pH, temperature and time of extraction did not have effect on the stability of Vulgaxanthin-1 pigment extracted using water and citric acid solvents. The concentration of betalain pigments extracted by water was higher than pigments extracted by citric acid solvent. Water extract of betanin pigments was more stable at temperatures between 25-60 °C, with maximum concentration of betanin pigment at 50°C extracted for 5 to15 minutes. Also, the pigment was stable at pH ranged between 2 to 6. The highest concentration was in pH 6 with water extract, while, the highest concentration of betanin pigment was in pH 2 with citric acid extract. Therefore, water is the optimal method for extraction of pigments from red beet.

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JOURNAL OF BIOCHEMICAL TECHNOLOGY
JOURNAL OF BIOCHEMICAL TECHNOLOGY
Journal of Biochemical Technology is a double-blind peer reviewed International Journal published by the Deniz Publication on behalf of the Biochemical Technology Society, a Registered Charity Organization from India

AREA OF INTEREST
AREA OF INTEREST
new advances in enzymatic and protein mechanims; applied molecular genetics and biotechnology; genomics and proteomics; metabolic; medical, environmental, food and agro biotechnology.

FOCUS AND SCOPE
FOCUS AND SCOPE
Journal Of Biochemical Technology Provides A Medium For The Rapid Publication Of Full-Length Articles, Mini-Reviews Of New And Emerging Products And Short Communications On All Aspects Of ...

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Guzelyali Mah. Sahilyolu Cad.Defne Sok. No: 7, 34903 Pendik, Istanbul

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This journal provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge. Keywords include, Biochemical Research: Endo/exocytosis, Trafficking, Membrane Biology, Cell Migration, Cell-Matrix Organelle Biogenesis, Cytoskeleton Proteolysis, Cell Death, Cell Cycle, Cancer, Cell Growth/Death, Differentiation, Drug Targets, Gene Therapy, Models of Disease, Proteomics, Stem Cells, Bioenergetics, Mitochondria, Free Radicals, Redox Signaling, Ion Transport/Channels, Oxidative