己醛
环糊精
丁酸乙酯
丁酸盐
化学
包合物
色谱法
核化学
味道
乙酸乙酯
有机化学
食品科学
发酵
作者
Yang Zhang,Yibin Zhou,Shengnan Cao,Songnan Li,Shanshan Jin,Shu Zhang
标识
DOI:10.3109/02652048.2015.1073391
摘要
Complexes of ethyl butyrate and hexanal encapsulated by β-cyclodextrin (β-CD) and γ-cyclodextrin (γ-CD) were prepared by coprecipitation, and gas chromatography was used to quantity the flavour compounds in the complexes. The ethyl butyrate-γ-CD complex had the highest inclusion ratio (12.20%) followed by the ethyl butyrate-β-CD, hexanal-β-CD and hexanal-γ-CD complexes (11.29, 4.41 and 3.33%, respectively). Release experiments were performed under different relative humidities (RH 93, 75 and 52%) and temperatures (4 and 25 °C). The flavour release behaviours of the complexes were described by the Avrami equation. The rate of flavour release was enhanced with both increasing temperature and RH, although the effect of RH was stronger. Physicochemical characterisation using FT-IR, XRD, DSC and SEM analyses demonstrated that crystalline complexes were formed. Both β-CD and γ-CD were able to encapsulate ethyl butyrate and hexanal, and lower RH and temperature were more suitable for the storage of these complexes.
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