Simulataneous determination of tartaric, malic, ascorbic and citric acids in acerola, açai and cashew pulps, and stability evaluation in cashew juices

Quimica nova

Rybka, Ana Cecília Poloni¹  Scherer, Rodrigo¹  Godoy, Helena Teixeira¹ 

[1] Universidade Estadual de Campinas, Campinas, Brasil

关键词: HPLC;    juice;    vitamin C.;   

DOI  :  10.1590/S0100-40422008000500039

学科分类：化学（综合）

来源: Sociedade Brasileira de Quimica

【 摘 要 】

The aim of the present study was determiningthe 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 isocraticelution and UV detection. In açaí pulp tartaric, malic and citricacids were found. Cashew samples presented all of the organic acids evaluated,besides high concentrations of ascorbic and malic acids. Acerola pulp had thehighest ascorbic acid concentration. A small decrease in organic acid contentduring storage was observed. Malic and citric acids seem to be more stable thantartaric and ascorbic acids.

【 授权许可】

CC BY