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Study on Extraction Technology and the Stability of Purple Pigments in Eggplant Skin by Microwave

Yang Shi-jun

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Abstract

This paper study the microwave extraction of the best technical parameters with natural pigments eggplant skin.and physical and chemical properties.The best eggplant skin pigment extraction process is obtained by orthogonal test,that is feed ratio of 1:4,extraction Power 900W,extraction time for 50s,HCl concentration of 0.25mol/L,the extraction rate of 38.72(g/mL)percent.Stability test show that purple pigments in eggplant skin are good stability on light,temperatures,acid medium.The pigment has better stability,can be widely used in food and beverage,pharmaceutical and other industries as natural plant pigment.

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What this paper is about

This paper study the microwave extraction of the best technical parameters with natural pigments eggplant skin.and physical and chemical properties.The best eggplant skin pigment extraction process is obtained by orthogonal test,that is feed ratio of 1:4,extraction Power 900W,extraction time for 50s,HCl concentration of 0.25mol/L,the extraction rate of 38.72(g/mL)percent.Stability test show that purple pigments in eggplant skin are good stability on light,temperatures,acid medium.The pigment has better stability,can be widely used in food and beverage,pharmaceutical and other industries as natural plant pigment.

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Available abstract

This paper study the microwave extraction of the best technical parameters with natural pigments eggplant skin.and physical and chemical properties.The best eggplant skin pigment extraction process is obtained by orthogonal test,that is feed ratio of 1:4,extraction Power 900W,extraction time for 50s,HCl concentration of 0.25mol/L,the extraction rate of 38.72(g/mL)percent.Stability test show that purple pigments in eggplant skin are good stability on light,temperatures,acid medium.The pigment has better stability,can be widely used in food and beverage,pharmaceutical and other industries as natural plant pigment.

Key concepts: Pigment, Extraction (chemistry), Microwave power, Chemistry, Chromatography, Biological pigment, Microwave, Pulp and paper industry

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Study on Extraction Technology and the Stability of Purple Pigments in Eggplant Skin by Microwave — Research Paper | ScholarLens