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Preparation and physical property assessments of liquid-core hydrogel beads loaded with burdock leaf extract

Tsai, Fu-Hsuan, Chiang, Po-Yuan, Kitamura, Yutaka, Kokawa, Mito and Khalid, Nauman 2016, Preparation and physical property assessments of liquid-core hydrogel beads loaded with burdock leaf extract, RSC advances, vol. 6, no. 94, pp. 91361-91369, doi: 10.1039/c6ra13843h.

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Title Preparation and physical property assessments of liquid-core hydrogel beads loaded with burdock leaf extract
Author(s) Tsai, Fu-Hsuan
Chiang, Po-Yuan
Kitamura, Yutaka
Kokawa, Mito
Khalid, NaumanORCID iD for Khalid, Nauman orcid.org/0000-0002-8045-199X
Journal name RSC advances
Volume number 6
Issue number 94
Start page 91361
End page 91369
Total pages 9
Publisher Royal Society of Chemistry
Place of publication Cambridge, Eng.
Publication date 2016-09-05
ISSN 2046-2069
Summary Secondary gelation is an important but overlooked element which has a significant impact on the quality of liquid-core hydrogel beads (LHB). This study firstly searches the optimized extraction conditions of burdock leaf and analyses its functional compounds and antioxidant abilities. Then, we measure loading efficiency, relative hardness, swelling capacity, and outer appearance to evaluate the optimized preparation conditions of LHB loaded with burdock leaf extract (BLE). The results showed that the optimized extraction conditions of burdock leaf were a solid to liquid (95% ethanol) ratio of 1:3, and extraction at 80 °C for 90 min. This extraction contained 23.81 mg g-1 dw chlorogenic acids (CGA) and the DPPH scavenging activity was 59.49%. LHB prevented the DPPH scavenging ability of BLE from decreasing during storage. The diameter and swelling capacity of burdock LHB increased, and hardness and loading efficiency decreased with longer gelation times. Relative hardness of the LHB prepared by 1% CaCl2 in the secondary gelation was 5.6-fold higher than that of the control, but there was no significant difference in CGA loading efficiency.
Language eng
DOI 10.1039/c6ra13843h
Field of Research 060101 Analytical Biochemistry
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Royal Society of Chemistry
Persistent URL http://hdl.handle.net/10536/DRO/DU:30091400

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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