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STUDY ON PHYSIOCHEMICAL PROPERTIES OF PIGMENT FROM BLUEHONEYSUCKLE

Shiping Wang

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Abstract

The physiochemical properties of the pigment from bluehoneysuckle were studied.The results indicated that the pigment from bluhoneysuckle is anthocyanin composition and has good water solubility , the pigment's colour changes under different pH value and has a relative stability when pH 3 ,the maximum absorption wavelength of this pigment is 528 nm when the pH value is 3. The pigment is stable to metal ions such as Na+ and Mg2+ and maintain stable under protection of Mg2+, glucose and edible acid,but sensitive to light, heat, oxidant and VC.

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What this paper is about

The physiochemical properties of the pigment from bluehoneysuckle were studied.The results indicated that the pigment from bluhoneysuckle is anthocyanin composition and has good water solubility , the pigment's colour changes under different pH value and has a relative stability when pH 3 ,the maximum absorption wavelength of this pigment is 528 nm when the pH value is 3. The pigment is stable to metal ions such as Na+ and Mg2+ and maintain stable under protection of Mg2+, glucose and edible acid,but sensitive to light, heat, oxidant and VC.

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Available abstract

The physiochemical properties of the pigment from bluehoneysuckle were studied.The results indicated that the pigment from bluhoneysuckle is anthocyanin composition and has good water solubility , the pigment's colour changes under different pH value and has a relative stability when pH 3 ,the maximum absorption wavelength of this pigment is 528 nm when the pH value is 3. The pigment is stable to metal ions such as Na+ and Mg2+ and maintain stable under protection of Mg2+, glucose and edible acid,but sensitive to light, heat, oxidant and VC.

Key concepts: Pigment, Solubility, Chemistry, Metal ions in aqueous solution, Absorption (acoustics), Metal, Nuclear chemistry, Anthocyanin

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