当前位置： SCI文献检索 > INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES期刊下所有文献 > Purification, composition and biological activities of a novel heteropolysaccharide extracted from Linum usitatissimum L. seeds on laser burn wound.

Purification, composition and biological activities of a novel heteropolysaccharide extracted from Linum usitatissimum L. seeds on laser burn wound.

Abstract：

:The present study investigates the purification, structure and in vitro antioxidant activities of a novel water soluble polysaccharide (LWSP) extracted from Linum usitatissimum L. seeds and evaluates the in vivo wound healing performance on CO2 laser fractional burn in a rat model. LWSP is a heteropolysaccharide that consists of glucose, mannose, xylose and arabinose. Three different tests were used to evaluate the antioxidant activity of this carbohydrate. The scavenging activity against 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid (ABTS) radical at a concentration of 5 mg/ml was 99.77%. The total antioxidant capacity of LWSP at 12 mg/ml was equivalent to 166.61 µg acsorbic acid. LWSP displayed a high protection effect against DNA damage induced byhydroxyl radical. No hemolytic activity was observed towards human erythrocytes. LWSP was tested in functional properties. The results showed good emulsion properties and high water (WHC) and oil holding (OHC) capacities (11.23 and 1.05%, respectively). In addition, the application of LWSP on the burn wound site in rat model increased significantly the percentage of burn contraction (98.6%) after 8 days of injury. According to the histological assessment, the LWSP-treated group had a higher content of hydroxyproline (846. 67 ± 92.28 mg/g tissue) than the other groups. Overall, the findings demonstrate that the application of this novel LWSP may open promising opportunities for burn wound healing in modern medicine.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Trabelsi I,Slima SB,Ktari N,Bardaa S,Elkaroui K,Abdeslam A,Ben Salah R

doi

10.1016/j.ijbiomac.2019.10.077

subject

Has Abstract

pub_date

2020-02-01 00:00:00

pages

781-790

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(19)35157-8

journal_volume

144

pub_type

杂志文章

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