Abstract
Using chitosan modified by cinnamaldehyde to decorate carbon nanotubes, a novel cinnamaldehyde/ chitosan/ carbon nanotubes composites were synthesized. The modified composites and its corresponding intermediates were characterized by FT-IR, XRD, high-resolution SEM and TGA. Taking porcine pancreatic lipase as a model, explored the properties of cinnamaldehyde/ chitosan/ carbon nanotubes composite materials. The results indicated that when the conditions were: molar ratio of cinnamaldehyde to chitosan of 41, pH =7.0 and the enzyme concentration of 5 mg/mL, and the maximum load of 248 mg/g and the enzyme activity of 8 064 U/g were obtained. The enzyme activity was still above 69% after seven recycles.
Publication Date
3-28-2017
First Page
8
Last Page
12,70
DOI
10.13652/j.issn.1003-5788.2017.03.003
Recommended Citation
Wei, LIU; Chengsheng, JIA; Xiaoming, ZHANG; and Shuqin, XIA
(2017)
"Preparation of carbon nanotube composite functionalized by cinnamaldehyde/chitosan and application for lipase immobilization,"
Food and Machinery: Vol. 33:
Iss.
3, Article 2.
DOI: 10.13652/j.issn.1003-5788.2017.03.003
Available at:
https://www.ifoodmm.cn/journal/vol33/iss3/2
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