AI Article Synopsis
- Saffron essential oil has beneficial properties but is sensitive to environmental changes, making proper storage essential.
- Different ratios of ß-cyclodextrin (ß-CD) and gum Arabic (GA) were tested for effective encapsulation, with a 75:25 ratio showing the best results in terms of loading capacity and encapsulation efficiency.
- Techniques like GC, DSC, and SEM confirmed that this ratio effectively protects the saffron oil from unwanted changes during processing.
Article Abstract
Saffron essential oil has a pleasant aroma and medicinal activities. However, it is sensible into the environmental condition. Therefore, it should be protected against unwanted changes during storage or processing. Encapsulation is introduced as a process by which liable materials are protected from unwanted changes. In the present study, different ratios (0:100, 25:75, 50:50, 75:25, and 100:0) of ß-cyclodextrin (ß-CD) and arabic gum (GA) were used as wall martial for encapsulation saffron essential oil. In order to calculate of loading capacity (LC) and encapsulation efficiency (EE), and release (RE), safranal was determined as indicator of saffron essential oil using GC. According to the results, the highest LC and EE were related to the mixture of ß-CD/GA at a 75:25 ratio. In contrast, the lowest encapsulate hygroscopicity (EH) and RE were observed when only ß-CD was applied as wall material (P≤0.05). Comparing the differential scanning calorimetry (DSC) thermograms of the control and encapsulate of ß-CD/GA (75:25) confirmed encapsulation of saffron essential oil. Scanning electron microscopy (SEM) images with high magnifications showed the rhombic structure that partially coated by GA. The mixture of ß-CD/GA at a 75:25 ratio can be recommended for saffron essential oil encapsulation.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5423236 | PMC |
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