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Studies on Ultrasound-assisted Water Extraction of Yellow Pigment from Peanut Shell

Hua Yang

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Abstract

The extraction technology of pigment from peanut shell was optimized by L9(34) orthogonal test.And the stability of the pigment was studied in this paper.The results showed that the optimum condition was: mass ratio of solid and solvent was 1∶20(g/mL),ultrasonic frequency was 100 kHz,peanut shell was extracted 30 min for 3 times.The stability of the pigment for light,temperature,pH,reductant-oxidant,metal ion and food additives common in food,and vitamin etc.were study,the rensults showed that the pigment has good stability.

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What this paper is about

The extraction technology of pigment from peanut shell was optimized by L9(34) orthogonal test.And the stability of the pigment was studied in this paper.The results showed that the optimum condition was: mass ratio of solid and solvent was 1∶20(g/mL),ultrasonic frequency was 100 kHz,peanut shell was extracted 30 min for 3 times.The stability of the pigment for light,temperature,pH,reductant-oxidant,metal ion and food additives common in food,and vitamin etc.were study,the rensults showed that the pigment has good stability.

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Available abstract

The extraction technology of pigment from peanut shell was optimized by L9(34) orthogonal test.And the stability of the pigment was studied in this paper.The results showed that the optimum condition was: mass ratio of solid and solvent was 1∶20(g/mL),ultrasonic frequency was 100 kHz,peanut shell was extracted 30 min for 3 times.The stability of the pigment for light,temperature,pH,reductant-oxidant,metal ion and food additives common in food,and vitamin etc.were study,the rensults showed that the pigment has good stability.

Key concepts: Pigment, Extraction (chemistry), Shell (structure), Solvent, Chemistry, Metal ions in aqueous solution, Food additive, Chromatography

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