Journal
POLYMERS
Volume 14, Issue 17, Pages -Publisher
MDPI
DOI: 10.3390/polym14173510
Keywords
Carthamus tinctorius L; polysaccharide; chemical structure; antioxidant activity
Categories
Funding
- Innovation Team Project of Sichuan Tourism University [20SCTUTY03]
- Key Laboratory of Culinary Science, Colleges and Universities in Sichuan Project [PRKX2020Z02]
- School level key projects of Sichuan Tourism University [2020SCTU12]
- Sichuan tourism talents academic elite funding project
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The structures of two polysaccharides (CTLP-1 and CTLP-2) from Carthamus tinctorius L. were analyzed. Both polysaccharides exhibited high antioxidant activities, indicating their potential as antioxidants.
Two polysaccharides from Carthamus tinctorius L. (CTLP-1 and CTLP-2) were purified, and their structures were analyzed by physical and chemical testing. CTLP-1 had a mass of 5900 Da that was composed of arabinose, glucose, and galactose with a mass molar ratio of 6.7:4.2:1. The backbone of CTLP-1 was -> 1)-alpha-GalAp-(1 -> 4)-alpha-Arap-(1 -> 2)-alpha-Glup-(4 ->. CTLP-2 had a mass of 8200 Da that was composed of arabinose, glucose, and galactose with a mass molar ratio of 16.76:4.28:1. The backbone of CTLP-2 was -> 1)-alpha-Galp-(2,6 -> 1)-alpha-Arap-(4,6 -> 1)-alpha-Glup-(3 ->. Both of them exhibited a high reducing power, hydroxyl radical scavenging activity, DPPH radical scavenging activity and ABTS radical scavenging activity, moderate Fe2+ chelating activity and superoxide anion scavenging activity, implying that they might be potential antioxidants.
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