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Preparation of Oregano Essential Oil Microcapsule and Its Application in Antibacterial Food Packaging Paper
Received:April 08, 2022  
DOI：DOI：10.11980/j.issn.0254-508X.2022.12.003
Key Words:hydroxypropyl-β-cyclodextrin  oregano essential oil  microcapsule  bacteriostatic  packaging paper
Author NameAffiliationPostcode
PAN Gaofeng Mudanjiang Hengfeng Paper Co.， Ltd.， Mudanjiang， Heilongjiang Province， 157013 157013
SONG Yang Northeast Forestry University， Harbin， Heilongjiang Province， 150040 150040
BAI Liangliang Mudanjiang Hengfeng Paper Co.， Ltd.， Mudanjiang， Heilongjiang Province， 157013 157013
LI Yonghui Mudanjiang Hengfeng Paper Co.， Ltd.， Mudanjiang， Heilongjiang Province， 157013 157013
NING Yuping Northeast Forestry University， Harbin， Heilongjiang Province， 150040 150040
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Abstract:Antibacterial food packaging paper was coated with the composite coating including oregano essential oil-hydroxypropyl-β-cyclodextrin microcapsules that prepared via saturated aqueous solution method using hydroxypropyl-β-cyclodextrin as wall material and oregano essential oil as core material. The results showed that the inclusion rate of oregano essential oil was 83.69% with an excellent sustained release effect at the optimum preparation conditions of microcapsule with inclusion time of 3 h， inclusion temperature at 50 ℃ and the ratio of core material and wall material of 1∶8. In addition， both microcapsules and the prepared antibacterial food packaging paper had outstanding antibacterial properties against Staphylococcus aureus and Escherichia coli.
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