Matrix structure selection in the microparticles of essential oil oregano produced by spray dryer.
作者： Joyce Maria Gomes da Costa , Soraia Vilela Borges , Ariel Antonio Campos Toledo Hijo , Eric Keven Silva , Gerson Reginaldo Marques
DOI: 10.3109/02652048.2013.778909
关键词:
摘要: The goal of this work was to select the best combination encapsulants for microencapsulation oregano essential oil by spray dryer with addition Arabic gum (AG), modified starch (MS) and maltodextrin (MA). simplex-centroid method used obtain an optimal objective function three variables. Analytical methods carvacrol quantification, water activity, moisture content, wettability, solubility, encapsulation efficiency (ME) retention (RT) were evaluate encapsulants. use AG as a single wall material increased ME up 93%. Carvacrol is major phenolic compound existent in oil. exhibits maximum concentration 57.8% microparticle 62.5% 37.5% MA. A greater RT (77.39%) obtained when 74.5% AG; MS 12.7% MA applied, (93%) improved 100% gum.
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