一种可调节肠道菌群的黄麻纳米纤维素及其制备方法和应用

Nanocellulose was prepared by treating jute leaves with a multi-enzyme method, which solved the technical problem of regulating intestinal flora, achieved the effect of regulating intestinal microorganisms, and improved the utilization value of jute resources.

CN116376998BActive Publication Date: 2026-07-17INST OF BAST FIBER CROPS CHINESE ACADEMY OF AGRI SCI

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INST OF BAST FIBER CROPS CHINESE ACADEMY OF AGRI SCI
Filing Date
2023-04-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

There is a lack of effective methods for preparing nanocellulose to regulate gut microbiota in the current technology, and high-dose fiber intake may lead to an increase in liver enzymes and inflammation levels, so the potential efficacy of jute leaf polysaccharides has not been fully utilized.

Method used

Jute leaves were treated with a multi-enzyme method, including defatting, enzymatic hydrolysis, and impurity removal, to prepare relatively simple cellulose. Subsequently, ultrasonic crushing was used to prepare nanocellulose, thus realizing the preparation of jute nanocellulose.

Benefits of technology

The prepared jute nanocellulose can significantly increase the abundance of intestinal bacteria and reduce the abundance of intestinal pathogenic fungi after antibiotic stress. The process is environmentally friendly and efficient, which is in line with the concept of biomass resource utilization.

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Abstract

本发明公开了一种可调节肠道菌群的黄麻纳米纤维素及其制备方法和应用,以新鲜的具抗炎作用的黄麻叶为原料,依次经过石油醚脱脂、85%乙醇除杂糖、多酶解、灭酶、干燥、酸碱除杂和超声破碎获得成分相对单一的黄麻纳米纤维素。与其他方法相比,本发明工艺操作简单,原理切实可行,过程绿色环保,仅需要短时间超声破碎处理就可以完成最后纳米纤维素的生产,大大降低了设备耗能。本发明制备的黄麻纳米纤维素还可以用于调节肠道微生物,尤其是显著增加受抗生素胁迫后肠道核心细菌的丰度和显著减少肠道病原真菌丰度。
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