Determinação simultânea dos ácidos orgânicos tartárico, málico, ascórbico e cítrico em polpas de acerola, açaí e caju e avaliação da estabilidade em sucos de caju

Química Nova

Rodrigo Scherer¹  Ana Cecília Poloni Rybka¹  Helena Teixeira Godoy¹ 

[1] ,Universidade Estadual de Campinas Faculdade de Engenharia de Alimentos Departamento de Ciência de AlimentosCampinas SP ,Brasil

关键词: HPLC;    juice;    vitamin C;   

DOI  :  10.1590/S0100-40422008000500039

来源: SciELO

【 摘 要 】

The aim of the present study was determining the main organic acids in pulp and juices, as well as evaluating their stability, after opening the package, by liquid chromatography in a C18 column with isocratic elution and UV detection. In açaí pulp tartaric, malic and citric acids were found. Cashew samples presented all of the organic acids evaluated, besides high concentrations of ascorbic and malic acids. Acerola pulp had the highest ascorbic acid concentration. A small decrease in organic acid content during storage was observed. Malic and citric acids seem to be more stable than tartaric and ascorbic acids.

【 授权许可】

CC BY-NC   
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