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| Study on Antibacterial Paper Prepared by Starch-based Coating Solution Based on Orange Peel Essential Oil Emulsified with Cellulose Nanocrystalline |
| Received:February 19, 2024 Revised:March 23, 2024 |
| DOI：10.11981/j.issn.1000-6842.2024.04.100 |
| Key Words:cellulose nanocrystalline;orange peel essential oil;starch;coating;antimicrobial paper |
| Fund Project:湖南省自然科学基金项目（2023JJ30009）；湖南省教育厅重点研究项目（22A0208）。 |
| Author Name | Affiliation | Postcode | | CHEN Qijie* | School of Chemistry and Chemical Engineering， Changsha University of Science and Technology， Changsha， Hu’nan Province， 410076 | 410076 | | LUO Chengyu | School of Chemistry and Chemical Engineering， Changsha University of Science and Technology， Changsha， Hu’nan Province， 410076 | 410076 | | ZHENG Xueming | China CEC Engineering Corporation， Changsha， Hu’nan Province， 410114 | 410114 | | JIN Xingming | Beijing Shieldry Technology Co.， Ltd.， Beijing， 102600 | 102600 | | YOU Na | School of Chemistry and Chemical Engineering， Changsha University of Science and Technology， Changsha， Hu’nan Province， 410076 | 410076 | | LIU Tao | Hunan Guangxin Technology Co.， Ltd.， Shaoyang， Hu’nan Province， 422900 | 422900 | | WAN Jinming | School of Chemistry and Chemical Engineering， Changsha University of Science and Technology， Changsha， Hu’nan Province， 410076 | 410076 |
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| Abstract: |
| Using mung bean starch （MBS） as the substrate and citric acid as the crosslinking agent， TEMPO oxidized cellulose nanocrystalline （TOCN） was used to emulsify orange peel essential oil （OPO）， and to prepare TOCN-OPO Pickering emulsion as the antibacterial agent， so as to further prepare starch-based coating solution MBS/TOCN-OPO. Then the antibacterial paper was prepared by coating MBS/TOCN-OPO on the original paper. The effect of MBS/TOCN-OPO coating amount on the strength and antibacterial properties of antibacterial paper was discussed. The results showed that compared with original paper， when the MBS/TOCN-OPO coating amount was 9 g/m2， the folding strength of antibacterial paper was increased from 9 to 60 times， the tensile index and burst index were increased by 35.0% and 42.1%， respectively， the water vapor transmission rate was decreased by 38.6%， and the water contact angle was increased to 65.42°. The antibacterial paper had the best antibacterial effect on penicillium. MBS/TOCN-OPO antibacterial paper had a good antibacterial fresh-keeping application effect when applied to packaging tomato. |
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