2008•Jilin Agricultural SciencesRequires access

Studies on Stability of Black-soybean Pigment

Xiao Ma

Abstract

Stabilities of black-soybean pigment on pH,temperature,sunlight,oxidant,reductant,amino acid and metal-ion were studied.The results indicated that black-soybean pigment was stable at acidic and shelter circumstance,heat-resistant.K+、Mg2+ had not significant effect on stability of pigment,while Fe3+,Cu2+,Zn2+ had obviously effect on its stability.The pigment got poor stability to oxidant and re-ductant.

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Key concepts: Pigment, Chemistry, Biological pigment, Metal, Metal ions in aqueous solution, Thermal stability, Heat stability, Food science