Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/95877
Type: Artigo de periódico
Title: Effect Of Water Activity On The Stability Of Bixin In An Annatto Extract-microcrystalline Cellulose Model System
Author: Gloria M.B.A.
Vale S.R.
Bobbio P.A.
Abstract: The influence of water activity on the stability of bixin in an annatto extract-micro-crystalline cellulose model system during storage at 21 ± 1 °C in the presence or absence of light and/or air was investigated. The water adsorption characteristic of the model system was determined. The samples were stored in desiccators containing saturated salt solutions for water activities of 0.33 to 0.97 and after equilibrium was reached, the samples were stored in the presence or absence of air and/or light. The degradation of bixin in every condition tested followed a first-order reaction. By comparing half-lives, bixin was observed to be more stable at intermediate/higher water activities. © 1995.
Editor: 
Rights: fechado
Identifier DOI: 10.1016/0308-8146(95)93287-2
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0028951279&partnerID=40&md5=9617001245a9390f388f21d4d681b1c4
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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