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Extraction, purification and antioxidation of a polysaccharide from Fritillaria unibracteata var. wabuensis
Rich polysaccharides were directly observed in the bulbs of Fritillaria unibracteata var. wabuensis (FUW) using the periodic acid–Schiff (PAS) method and microexamination. An acidic water-soluble heteropolysaccharide (FWPS1-1) was isolated from FUW through ethanol precipitation, decoloration, deprot...
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Published in: | International journal of biological macromolecules 2018-06, Vol.112, p.1073-1083 |
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description | Rich polysaccharides were directly observed in the bulbs of Fritillaria unibracteata var. wabuensis (FUW) using the periodic acid–Schiff (PAS) method and microexamination. An acidic water-soluble heteropolysaccharide (FWPS1-1) was isolated from FUW through ethanol precipitation, decoloration, deproteinization, dialysis and separation using a DE-52 anion-exchange column and a Sepharose G-150 gel filtration column. FWPS1-1 (average molecular weight: ~7.44 kDa) has many branches and long side chains; holds the triple-helix conformation; was composed of mannose (Man), galacturonic acid (GalA), galactose (Gal), xylose (Xyl) and arabinose (Ara) with a molar ratio of 2.62:5.59:10.00:0.76:9.38; and features side chains that may be composed of Ara, Man, Gal and GalA, while the backbone may be composed of Xyl, Ara and Gal. In addition, the backbone of FWPS1-1 mainly consists of α-type glycosidic bonds. Bioactivity tests in vitro showed that the polysaccharide exhibited weak 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity and low ferric reducing antioxidant power (FRAP) but high 2,2-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid)l (ABTS) radical scavenging activity, good Fe(II)-chelating ability and remarkable DNA damage protective activity. FWPS1-1 was the first heteropolysaccharide purified from FUW and showed good antioxidant activity and DNA protective effect. The results confirmed that macromolecule is also bioactive ingredient that requires attention like the small-molecule active compounds in FUW.
•Rich polysaccharides were observed in the bulbs of Fritillaria unibracteata var. wabuensis (FUW) using the PAS method.•One acidic heteropolysaccharide (FWPS1-1) was first time isolated from FUW.•FWPS1-1 exhibited good antioxidant and DNA damage protective activities. |
doi_str_mv | 10.1016/j.ijbiomac.2018.02.070 |
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•Rich polysaccharides were observed in the bulbs of Fritillaria unibracteata var. wabuensis (FUW) using the PAS method.•One acidic heteropolysaccharide (FWPS1-1) was first time isolated from FUW.•FWPS1-1 exhibited good antioxidant and DNA damage protective activities.</description><identifier>ISSN: 0141-8130</identifier><identifier>EISSN: 1879-0003</identifier><identifier>DOI: 10.1016/j.ijbiomac.2018.02.070</identifier><identifier>PMID: 29447973</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Antioxidant activity ; DNA damage protection ; Fritillaria unibracteata var. wabuensis ; Histochemical localization ; Physicochemical property ; Polysaccharide</subject><ispartof>International journal of biological macromolecules, 2018-06, Vol.112, p.1073-1083</ispartof><rights>2018 Elsevier B.V.</rights><rights>Copyright © 2017. Published by Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c434t-a158de86455858d334f3da074e6823a651a42faad95f5e25e09eb5516521dfd63</citedby><cites>FETCH-LOGICAL-c434t-a158de86455858d334f3da074e6823a651a42faad95f5e25e09eb5516521dfd63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29447973$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Pan, Feng</creatorcontrib><creatorcontrib>Su, Tian-Jiao</creatorcontrib><creatorcontrib>Liu, Yang</creatorcontrib><creatorcontrib>Hou, Kai</creatorcontrib><creatorcontrib>Chen, Chen</creatorcontrib><creatorcontrib>Wu, Wei</creatorcontrib><title>Extraction, purification and antioxidation of a polysaccharide from Fritillaria unibracteata var. wabuensis</title><title>International journal of biological macromolecules</title><addtitle>Int J Biol Macromol</addtitle><description>Rich polysaccharides were directly observed in the bulbs of Fritillaria unibracteata var. wabuensis (FUW) using the periodic acid–Schiff (PAS) method and microexamination. An acidic water-soluble heteropolysaccharide (FWPS1-1) was isolated from FUW through ethanol precipitation, decoloration, deproteinization, dialysis and separation using a DE-52 anion-exchange column and a Sepharose G-150 gel filtration column. FWPS1-1 (average molecular weight: ~7.44 kDa) has many branches and long side chains; holds the triple-helix conformation; was composed of mannose (Man), galacturonic acid (GalA), galactose (Gal), xylose (Xyl) and arabinose (Ara) with a molar ratio of 2.62:5.59:10.00:0.76:9.38; and features side chains that may be composed of Ara, Man, Gal and GalA, while the backbone may be composed of Xyl, Ara and Gal. In addition, the backbone of FWPS1-1 mainly consists of α-type glycosidic bonds. Bioactivity tests in vitro showed that the polysaccharide exhibited weak 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity and low ferric reducing antioxidant power (FRAP) but high 2,2-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid)l (ABTS) radical scavenging activity, good Fe(II)-chelating ability and remarkable DNA damage protective activity. FWPS1-1 was the first heteropolysaccharide purified from FUW and showed good antioxidant activity and DNA protective effect. The results confirmed that macromolecule is also bioactive ingredient that requires attention like the small-molecule active compounds in FUW.
•Rich polysaccharides were observed in the bulbs of Fritillaria unibracteata var. wabuensis (FUW) using the PAS method.•One acidic heteropolysaccharide (FWPS1-1) was first time isolated from FUW.•FWPS1-1 exhibited good antioxidant and DNA damage protective activities.</description><subject>Antioxidant activity</subject><subject>DNA damage protection</subject><subject>Fritillaria unibracteata var. wabuensis</subject><subject>Histochemical localization</subject><subject>Physicochemical property</subject><subject>Polysaccharide</subject><issn>0141-8130</issn><issn>1879-0003</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkMlOHDEQhq2IKAyQV0A-5kA3Xnu5BSE2CYlLOFvVdlnxZLo9sbtZ3h6PBrhyKFX5119Vro-QU85qznhzvq7DeghxBFsLxruaiZq17BtZ8a7tK8aYPCArxhWvOi7ZITnKeV3URvPuBzkUvVJt38oV-Xf1Miewc4jTGd0uKfhgYfeiMLkSpXwJbq9ET4Fu4-Y1g7V_IQWH1Kc40usU5rDZFAXoMoVhNxBhBvoEqabPMCw45ZBPyHcPm4w_3_Mxeby--nN5W90_3NxdXtxXVkk1V8B157BrlNZdqaRUXjpgrcKmExLKCaCEB3C99hqFRtbjoDVvtODOu0Yek1_7udsU_y-YZzOGbLF8cMK4ZCMKHSZVz9tibfZWm2LOCb3ZpjBCejWcmR1oszYfoM0OtGHCFNCl8fR9xzKM6D7bPsgWw--9AculTwGTyTbgZNGFhHY2LoavdrwB_2qUBQ</recordid><startdate>20180601</startdate><enddate>20180601</enddate><creator>Pan, Feng</creator><creator>Su, Tian-Jiao</creator><creator>Liu, Yang</creator><creator>Hou, Kai</creator><creator>Chen, Chen</creator><creator>Wu, Wei</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20180601</creationdate><title>Extraction, purification and antioxidation of a polysaccharide from Fritillaria unibracteata var. wabuensis</title><author>Pan, Feng ; Su, Tian-Jiao ; Liu, Yang ; Hou, Kai ; Chen, Chen ; Wu, Wei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c434t-a158de86455858d334f3da074e6823a651a42faad95f5e25e09eb5516521dfd63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Antioxidant activity</topic><topic>DNA damage protection</topic><topic>Fritillaria unibracteata var. wabuensis</topic><topic>Histochemical localization</topic><topic>Physicochemical property</topic><topic>Polysaccharide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pan, Feng</creatorcontrib><creatorcontrib>Su, Tian-Jiao</creatorcontrib><creatorcontrib>Liu, Yang</creatorcontrib><creatorcontrib>Hou, Kai</creatorcontrib><creatorcontrib>Chen, Chen</creatorcontrib><creatorcontrib>Wu, Wei</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of biological macromolecules</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pan, Feng</au><au>Su, Tian-Jiao</au><au>Liu, Yang</au><au>Hou, Kai</au><au>Chen, Chen</au><au>Wu, Wei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Extraction, purification and antioxidation of a polysaccharide from Fritillaria unibracteata var. wabuensis</atitle><jtitle>International journal of biological macromolecules</jtitle><addtitle>Int J Biol Macromol</addtitle><date>2018-06-01</date><risdate>2018</risdate><volume>112</volume><spage>1073</spage><epage>1083</epage><pages>1073-1083</pages><issn>0141-8130</issn><eissn>1879-0003</eissn><abstract>Rich polysaccharides were directly observed in the bulbs of Fritillaria unibracteata var. wabuensis (FUW) using the periodic acid–Schiff (PAS) method and microexamination. An acidic water-soluble heteropolysaccharide (FWPS1-1) was isolated from FUW through ethanol precipitation, decoloration, deproteinization, dialysis and separation using a DE-52 anion-exchange column and a Sepharose G-150 gel filtration column. FWPS1-1 (average molecular weight: ~7.44 kDa) has many branches and long side chains; holds the triple-helix conformation; was composed of mannose (Man), galacturonic acid (GalA), galactose (Gal), xylose (Xyl) and arabinose (Ara) with a molar ratio of 2.62:5.59:10.00:0.76:9.38; and features side chains that may be composed of Ara, Man, Gal and GalA, while the backbone may be composed of Xyl, Ara and Gal. In addition, the backbone of FWPS1-1 mainly consists of α-type glycosidic bonds. Bioactivity tests in vitro showed that the polysaccharide exhibited weak 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity and low ferric reducing antioxidant power (FRAP) but high 2,2-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid)l (ABTS) radical scavenging activity, good Fe(II)-chelating ability and remarkable DNA damage protective activity. FWPS1-1 was the first heteropolysaccharide purified from FUW and showed good antioxidant activity and DNA protective effect. The results confirmed that macromolecule is also bioactive ingredient that requires attention like the small-molecule active compounds in FUW.
•Rich polysaccharides were observed in the bulbs of Fritillaria unibracteata var. wabuensis (FUW) using the PAS method.•One acidic heteropolysaccharide (FWPS1-1) was first time isolated from FUW.•FWPS1-1 exhibited good antioxidant and DNA damage protective activities.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>29447973</pmid><doi>10.1016/j.ijbiomac.2018.02.070</doi><tpages>11</tpages></addata></record> |
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subjects | Antioxidant activity DNA damage protection Fritillaria unibracteata var. wabuensis Histochemical localization Physicochemical property Polysaccharide |
title | Extraction, purification and antioxidation of a polysaccharide from Fritillaria unibracteata var. wabuensis |
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