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Development of a protocol to solidify native and artificial oil bodies for long-term storage at room temperature
Ming-Tsung Chang1, Chun-Ren Chen, Ting-Hang Liu
1Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, Taiwan.
Background:
Oil bodies isolated from sesame seeds coalesced to form large oil drops when they were solidified in a drying process commonly used for food products. The aim of this study was to develop a protocol to solidify oil bodies for long-term storage at room temperature.
Results:
On the basis of testing several excipients, the coalescence of oil bodies could be effectively prevented when they were combined with mannitol. Sizes of oil bodies appeared similar under a light microscope before and after powderisation in combination with 70% or more mannitol. Artificial oil bodies were successfully generated with sesame oil, phospholipid and recombinant sesame caleosin. Following the developed protocol, native and artificial oil bodies were stably solidified in tablets. Both native and artificial oil bodies dissolved from the tablets remained stable after an accelerated stress test under a condition of 75% humidity at 40 °C for 4 months.
Conclusion:
A protocol was successfully developed for the solidification of native and artificial oil bodies in stable powder and tablet forms. This successful protocol is very likely to expedite the utilisation of artificial oil bodies in their potential applications.
