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Abstract
Monoolein (MO) cubic phase (CP) containing Bambusae Caulis in Taeniam extract (BCT), hydrophobically modified alginate (HmAlg), and hydrophobically modified gelatin (HmGel) was prepared by a melt and hydration method. On the TEM micrographs of CP, water channels and MO bilayers were found. The phase transition temperature of MO CP was about 65.3 °C and it deceased by the inclusion of the additives. The release of 4-hydroxybenzaldehyde from CP was markedly suppressed at pH 4.5 but not at pH 5.5 and pH 7.4. The complex coacervate of HmGel and HmAlg was thought to suppress the release in the acidic condition.
Graphical Abstract
Conflict of interest
The authors have declared that there is no conflict of interest.
Additional information
Funding
This study was carried out with the support of ‘R&D Program for Forest Science Technology [Project No. 2017029D10-1819-BA01]’ provided by Korea Forest Service (Korea Forestry Promotion Institute), Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education [No. 2018R1A6A1A03025582].