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Estimation of Crystalline Cellulose Content of Plant Biomass using the Updegraff Method
Published on: May 15, 2021
Redispersible Pickering emulsion powder stabilized by nanocrystalline cellulose combining with cellulosic derivatives
Jin Xie1, Yijing Luo1, Yingchong Chen1
1Jiangxi University of Traditional Chinese Medicine, 818 Meilingdadao Road, Nanchang 330004, China.
Abstract:
The objective of this study is to use cellulose nanocrystals (CNC) combining with carboxymethyl cellulose sodium (CMC-Na) and hydroxypropyl methylcellulose (HPMC) as stabilizer to prepare novel redispersible camellia oil Pickering emulsions powder (CO-PEP). Cellulose nanocrystals modified with carboxymethyl cellulose sodium (CNCC) was prepared by homogenization technology. CNCC seemed to be rod-like particles with mean particle size of 124.2 ± 2.5 nm. And the cellulose structure, crystal state and thermal property of CNCC remained unchanged during the homogenization. The combination of CNC and CMC-Na in CNCC might be dependent of physical interaction. The mean particle size of optimum CO-PE/0.25%CNCC was 0.569 ± 0.023 μm. The CNCC based particle stabilizer might form the distinctive barrier layer around oil droplet. The redispersibility results demonstrated that 50% HPMC based CO-PEP formed large composite particle with high drug loading ability and exhibited superior redispersibility. Novel redispersible powdered Pickering emulsions could be prepared by cellulose nanocrystals combining with water-soluble cellulosic derivatives.
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