Chinese Journal of Tropical Crops >
Preparation and Physicochemical Properties of Amphiphilic Chitosan/ Quercetin nanomicelles
Received date: 2018-12-24
Request revised date: 2019-03-04
Online published: 2019-05-31
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Quercetin (QCT) is a flavonoid compound with strong antioxidant and anti-inflammatory effects, which is widely found in tropical plants. However, the low solubility and poor stability of quercetin limit its application in food and medicine. In this study, a novel amphiphilic chitosan (ACS) with deoxycholic acid (DA) as the hydrophobic group and n-acetyl-l-cysteine (NAC) as the hydrophilic group was synthesized, and the amphiphilic chitosan quercetin nanoparticle micelle (ACS-QNMs) was prepared and characterized. FTIR showed that DA and NAC were grafted onto chitosan successfully. The critical micelle concentration (CMC) of blank micelles was 26.92 μg/mL. Scanning electron microscopy (SEM) was used to observe the spherical appearance and uniform distribution of nanoparticles. The micelle potential was determined by nano particle size potentiometer to be 31 mV. The results showed that quercetin could be released in vivo and stored stably at room temperature after being embedded in nanomicelles.
WANG Hui , YANG Ziming , HE Zuyu , ZHOU Chuang , WANG Chao , LI Puwang . Preparation and Physicochemical Properties of Amphiphilic Chitosan/ Quercetin nanomicelles[J]. Chinese Journal of Tropical Crops, 2019 , 40(5) : 980 -986 . DOI: 10.3969/j.issn.1000-2561.2019.05.021
The authors have declared that no competing interests exist.
作者已声明无竞争性利益关系。
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