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浙江大学学报(理学版)  2023, Vol. 50 Issue (3): 346-350    DOI: 10.3785/j.issn.1008-9497.2023.03.012
化学     
发酵纤维素阴离子衍生物的转化与抗菌应用评价
崔艳丽1(),李顺尧2,张天宇3,张敏燕1,鲍祥祥1,毛旸易1
1.浙江大学 化学系,浙江 杭州 310058
2.郑州财经学院,河南 郑州 450044
3.武汉大学,湖北 武汉 430072
Conversion of anionic derivatives of fermented cellulose and evaluation of their antifungal effect
Yanli CUI1(),Shunyao LI2,Tianyu ZHANG3,Minyan ZHANG1,Xiangxiang BAO1,Yangyi MAO1
1.Department of Chemistry,Zhejiang University,Hangzhou 310058,China
2.Zhengzhou College of Finance and Economics,Zhengzhou 450044,China
3.Wuhan University,Wuhan 430072,China
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摘要:

在水相条件下用阴离子醚化剂(3-氯-2-羟基丙磺酸钠)通过一锅法对经微生物改造的纤维素阴离子化,其中的氢氧化钠溶液既作为反应物、溶剂,又作为催化剂,反应条件温和、取代度适中、转化率较高。采用元素分析、核磁共振、傅里叶红外光谱等表征方法研究了纤维素衍生物的取代度和结构,结果表明,获得的纤维素产物已阴离子化。对纤维素衍生物进行了抑制真菌评估,证明其具其有一定的抑菌特性。纤维素衍生物的生态亲和性决定其可应用于文物保护、农业和防疫等领域。

关键词: 发酵纤维素阴离子衍生物抗菌作用一锅法    
Abstract:

In this paper it is reported firstly that fermented cellulose was anionized by one pot method with sodium 3-chloro-2-hydroxypropane sulfonate in aqueous phase, and sodium hydroxide solution was used as reactant, solvent, and catalyst. The reaction conditions were mild, the degree of substitution was moderate, and the conversion rate was acceptable. The characterization of cellulose derivative was studied by means of elemental analysis, nuclear magnetic resonance,FTIR and so on. The antifungal biological evaluation of cellulose derivative was carried out, and the results showed that it had certain antifungal properties. The ecological compatibility of cellulose derivatives confirms that they can be applied in archaeology, agriculture and epidemic prevention, etc.

Key words: fermented cellulose    anionic derivative    antifungal property    one pot method
收稿日期: 2022-11-25 出版日期: 2023-05-19
CLC:  O 65  
基金资助: 国家重点研发计划项目(2022YFF0904100);浙江省文物保护科技项目(2020011);江苏省科技项目(XZ-SZ202027);国家重点研发计划项目(2020YFC1521800)
作者简介: 崔艳丽(1965—),ORCID:https://orcid.org/0000-0003-2072-6039,女,博士,副教授,主要从事糖化学、药学及文保生态材料研究,E-mail:cuiyl@zju.edu.cn.
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引用本文:

崔艳丽, 李顺尧, 张天宇, 张敏燕, 鲍祥祥, 毛旸易. 发酵纤维素阴离子衍生物的转化与抗菌应用评价[J]. 浙江大学学报(理学版), 2023, 50(3): 346-350.

Yanli CUI, Shunyao LI, Tianyu ZHANG, Minyan ZHANG, Xiangxiang BAO, Yangyi MAO. Conversion of anionic derivatives of fermented cellulose and evaluation of their antifungal effect. Journal of Zhejiang University (Science Edition), 2023, 50(3): 346-350.

链接本文:

https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2023.03.012        https://www.zjujournals.com/sci/CN/Y2023/V50/I3/346

图1  纤维素结构与氢键分布[12]
图2  阴离子醚化剂与纤维素的反应
序号

CHPASA/

纤维素

NaOH/

CHPASA

温度/

取代度(DS)
171250.12
271550.23
371650.65
471750.43
表1  温度对阴离子纤维素取代度的影响
序号

CHPASA/

纤维素

NaOH/

CHPASA

温度/

取代度(DS)
141650.02
251650.13
371650.65
491650.53
表2  CHPASA/纤维素物质的量之比对阴离子纤维素取代度的影响
序号

CHPASA/

纤维素

NaOH/

CHPASA

温度/

取代度(DS)
170.9650.46
271.0650.65
371.1650.51
471.2650.49
表3  NaOH/CHPASA物质的量之比对阴离子纤维素取代度的影响
图3  发酵纤维素阴离子衍生物Y1的二维NMR谱图
图4  发酵米糠纤维素阴离子衍生物Y1与发酵米糠纤维素FTIR谱图注 1为发酵米糠纤维素阴离子衍生物红外谱图,2为发酵米糠纤维素红外谱图。
真菌嗜松青霉出芽短梗霉黑曲霉
抑菌圈直径/mm11.6011.9212.44
11.1812.8013.24
抑菌圈直径平均值/mm11.3912.3612.84
表4  纤维素阴离子衍生物Y1的抑菌效果
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