期刊
FOOD CHEMISTRY
卷 334, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2020.127594
关键词
Soy protein isolate; Thymol; Nanocomplexation; Stability; Antibacterial
资金
- Guangdong Basic and Applied Basic Research Foundation of China [2019A1515110382]
- Innovation Fund Project of Guangdong Academy of Agricultural Sciences of China [201901]
- Special Fund for Scientific Innovation StrategyConstruction of High Level Academy of Agriculture Science in Guangdong of China [R2017YJ-YB3010, R2018QD-087]
- New Discipline Team Building Project of Guangdong Academy of Agricultural Science in the 13th Five-Year Period [201805XX]
- Guangdong Provincial Special Fund for Modern Agriculture Industry Technology Innovation Teams [2019KJ117]
The study showed that the SPI-thymol nanocomplexes were formed mainly through hydrophobic interactions, enhancing the solubility, stability, and antibacterial activity of thymol. Moreover, with increasing mixing mass ratio, the encapsulation efficiency and solubility of thymol in complexes also increased.
The complexation of thymol with soy protein isolate (SPI) at various mixing mass ratios, as well as some phy-sicochemical characteristics, stability and antibacterial properties of the resultant complexes, was evaluated. The loading capacity of thymol in complexes formed at a mixing mass ratio of 2.5:12 was 10.36%, and the particles were spherical with a z-average diameter less than 110 nm. Fluorescence spectroscopy results indicated the SPI-thymol nanocomplexes were formed mainly through hydrophobic interactions. Upon nanocomplexation, the solubility, sustained release, thermal stability and antibacterial activity of thymol were greatly improved. Moreover, the encapsulation efficiency and solubility of thymol in complexes were improved with the increasing mixing mass ratio, while the stability and antibacterial activity of thymol were not significantly different among all the complexes. These findings suggest that SPI could be used as a nanocarrier for improving solubility and stability of thymol.
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