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Polysaccharides from dandelion (Taraxacum mongolicum) leaves: Insights into innovative drying techniques on their structural characteristics and biological activities
Li,Fen1; Feng,Kang Lin1; Yang,Jian Chun1; He,Yuan Shu1; Guo,Huan1,2; Wang,Sheng Peng3; Gan,Ren You2; Wu,Ding Tao1
2021-01-15
Source PublicationInternational Journal of Biological Macromolecules
ISSN0141-8130
Volume167Pages:995-1005
Abstract

The aim of this study was to well understand the impacts of innovative drying techniques (radio frequency drying and microwave drying) and traditional drying techniques (vacuum drying, freezing drying, and hot air drying) on the structural characteristics and bioactivities of polysaccharides from dandelion leaves (DLPs). Five different DLPs were obtained from dandelion leaves dried by abovementioned drying techniques. Results showed that the structural characteristics and bioactivities of DLPs varied with different drying techniques. The molecular weights, apparent viscosities, molar ratios of constituent monosaccharide, contents of uronic acids, and contents of bonded polyphenolics in DLPs obtained by different drying techniques had noticeable variations, while the types of constituent monosaccharides and the major glycosidic linkages in DLPs were similar. In addition, results showed that DLPs, especially DLP-RF obtained by the radio frequency drying, exhibited remarkable antioxidant activities (ABTS, DPPH, and NO radical scavenging activities), excellent in vitro antiglycation activity, and obvious in vitro inhibitory activity on α-glucosidase. Results from this study suggest that the radio frequency drying can be used as a potential drying technique before extracting DLPs for applications in the functional food and medicine industries.

KeywordAntiglycation Activity Antioxidant Activity Dandelion Drying Technique Polysaccharide Structural Characteristic
DOI10.1016/j.ijbiomac.2020.11.054
URLView the original
Indexed BySCIE
WOS Research AreaBiochemistry & Molecular Biology ; Chemistry ; Polymer Science
WOS SubjectBiochemistry & Molecular Biology ; Chemistry, Applied ; Polymer Science
WOS IDWOS:000606683200088
Scopus ID2-s2.0-85096103718
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Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionInstitute of Chinese Medical Sciences
Affiliation1.Institute of Food Processing and Safety,College of Food Science,Sichuan Agricultural University,Ya'an,625014,China
2.Institute of Urban Agriculture,Chinese Academy of Agricultural Sciences,Chengdu,610213,China
3.State Key Laboratory of Quality Research in Chinese Medicine,Institute of Chinese Medical Sciences,University of Macau,Macao
Recommended Citation
GB/T 7714
Li,Fen,Feng,Kang Lin,Yang,Jian Chun,et al. Polysaccharides from dandelion (Taraxacum mongolicum) leaves: Insights into innovative drying techniques on their structural characteristics and biological activities[J]. International Journal of Biological Macromolecules,2021,167:995-1005.
APA Li,Fen,Feng,Kang Lin,Yang,Jian Chun,He,Yuan Shu,Guo,Huan,Wang,Sheng Peng,Gan,Ren You,&Wu,Ding Tao.(2021).Polysaccharides from dandelion (Taraxacum mongolicum) leaves: Insights into innovative drying techniques on their structural characteristics and biological activities.International Journal of Biological Macromolecules,167,995-1005.
MLA Li,Fen,et al."Polysaccharides from dandelion (Taraxacum mongolicum) leaves: Insights into innovative drying techniques on their structural characteristics and biological activities".International Journal of Biological Macromolecules 167(2021):995-1005.
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