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      藥用植物三楞草的寡糖成分研究

      2016-03-07 04:16:33李逢逢王福生
      大理大學(xué)學(xué)報(bào) 2016年4期
      關(guān)鍵詞:寡糖化學(xué)成分

      李逢逢,付 晨,王福生

      (大理大學(xué)藥學(xué)與化學(xué)學(xué)院,云南大理 671000)

      ?

      藥用植物三楞草的寡糖成分研究

      李逢逢,付晨,王福生*

      (大理大學(xué)藥學(xué)與化學(xué)學(xué)院,云南大理671000)

      [摘要]目的:對(duì)藥用植物三楞草的寡糖化學(xué)成分進(jìn)行研究,以期尋找活性成分。方法:運(yùn)用硅膠、ODS以及凝膠柱分離三楞草水部位,通過(guò)NMR技術(shù)鑒定其結(jié)構(gòu)。結(jié)果:從三楞草水部位分離得到4個(gè)寡糖成分,分別是[O-α-D-glucopyranosyl-(1→4)]2-O-β-D-fructofuranosyl-(2→1)-α-D-glucopyranoside(1)、O-α-D-glucopyranosyl-(1→2)-O-[β-D-fructofuranosyl-(2→1)]2-α-D-glucopyranoside(2)、[O-α-D-glucopyranosyl-(1→2)]2-O-[β-D-fructofuranosyl-(2→1)]2-α-D-glucopyranoside(3)和O-α-D-glucopyranosyl-(1→2)-O-[β-D-fructofuranosyl-(2→1)]3-α-D-glucopyranoside(4)。結(jié)論:這4種寡糖成分首次從該藥用植物中分離得到。

      [關(guān)鍵詞]杭子梢屬;三楞草;化學(xué)成分;寡糖

      [DOI]10. 3969 / j. issn. 2096-2266. 2016. 04. 002

      白族藥三楞草為豆科杭子梢屬植物三棱杭子梢(Campylotropis trigonoclada(Franch.)A.K. Schindl.)的全株〔1〕。三楞草作為藥用植物應(yīng)用廣泛,常用于外感發(fā)熱、水腫、癃閉、淋癥、赤痢、腸風(fēng)下血、關(guān)節(jié)疼痛及跌打損傷〔2〕。白族民間用于治療泌尿系統(tǒng)疾病,如腎炎、前列腺炎和結(jié)石等療效顯著。目前未見(jiàn)文獻(xiàn)報(bào)道其化學(xué)成分的研究。

      自然界中存在大量的寡糖類(lèi)化合物,不同的寡糖種類(lèi)和來(lái)源決定了它們特有的生物活性〔3〕。如有降血糖活性〔4〕、增強(qiáng)造血功能活性〔5〕、抗菌活性〔6〕、抗炎活性〔7〕和抗凝血活性〔8〕等,本文對(duì)三楞草水部位進(jìn)行了系統(tǒng)的化學(xué)成分研究,從中分離鑒定了4個(gè)寡糖類(lèi)化合物。分別為[O-α-D-glucopyranosyl-(1→4)]2-O-β-D-fructofuranosyl-(2→1)-α-D-glucopyranoside(1)、O-α-D-glucopyranosyl-(1→2)-O-[β-D-fructofuranosyl-(2→1)]2-α-D-glucopyranoside(2)、[O-α-D-glucopyranosyl-(1→2)]2-O-[β-D-fructofuranosyl-(2→1)]2-α-D-glucopyranoside(3)和O-α-D-glucopyranosyl-(1→2)-O-[β-D- fructofuranosyl-(2→1)]3-α-D-glucopyranoside(4)。

      1 儀器與材料

      1.1實(shí)驗(yàn)材料三楞草采于大理蒼山西坡,經(jīng)大理大學(xué)段寶忠副教授鑒定為豆科杭子梢屬植物三楞草(Campylotropis trigonoclada Franch.)的地上部分。

      1.2儀器與試劑NMR用BrukerAM-400型核磁共振儀測(cè)定。高效液相色譜用:Agilent 1100 HPLC系統(tǒng);層析柱;薄層色譜硅膠和柱色譜硅膠均為青島海洋化工廠產(chǎn)品;日本YMC公司生產(chǎn)的ODS反相硅膠(50 μm);分離所用試劑均為化學(xué)純。

      2 提取與分離

      取三楞草干燥莖葉2 kg,粉碎后用95%乙醇冷浸提取,減壓濃縮提取液,得乙醇提取物,將乙醇提取物分散于水,然后依次用石油醚、乙酸乙酯、正丁醇萃取,將提取剩余的水層濃縮浸膏(12.6 g)進(jìn)行硅膠柱層析,用氯仿-甲醇(9:1,8:2,7:3,6:4,5:5,4:6,3:7,2:8,1:9,0:1)梯度洗脫,得到6個(gè)組分A~F。Fr.A反復(fù)經(jīng)硅膠柱層析(氯仿-甲醇)、凝膠柱層析,得化合物1(30.8 mg)。Fr.C反復(fù)經(jīng)硅膠柱層析(氯仿-甲醇)、ODS柱層析(甲醇-水)得化合物2(50.6 mg)。組分Fr.E經(jīng)反復(fù)硅膠柱層析(氯仿-甲醇)、凝膠柱層析得到化合物3(1.2 g)、化合物4(60.3 mg)。

      3 實(shí)驗(yàn)結(jié)果

      化合物1(黃色糖漿狀液體)〔9〕:1H NMR(400 MHz,D2O)δ:3.99(1H,brd,J = 3.6 Hz,Glu-1),3.62(1H,m,Glu-2),3.06(1H,m,Glu-3),3.35(1H,m,Glu-4),3.29(1H,m,Glu-5),3.15(1H,m,Glu-6),4.51(2H,brd,J=4.0 Hz,Glu-1′,Glu-1′′),3.68(1H,m,Glu-2′),3.40(1H,m,Glu-3′),3.29(1H,m,Glu-4′),3.55(1H,m,Glu-5′),3.20(1H,m,Glu-6′),3.70 (1H,m,Glu-2′′),3.43(1H,m,Glu-3′′),3.30(1H,m,Glu-4′′),3.58(1H,m,Glu-5′′),3.22(1H,m,Glu-6′′),3.48(2H,d,J=10.3 Hz,F(xiàn)ru-1a,1b),3.95 (1H,m,F(xiàn)ru-3),3.75(1H,m,F(xiàn)ru-4),3.53(1H,m,F(xiàn)ru-5),3.50(2H,m,F(xiàn)ru-6)。13C NMR(100 MHz,D2O)δ:105.2(Glu-1′′),75.7(Glu-2′′),72.5(Glu-3′′),71.2(Glu-4′′),84.7(Glu-5′′),63.9(Glu-6′′),99.1 (Glu-1′),74.4(Glu-2′),72.0(Glu-3′),71.1(Glu-4′),83.4(Glu-5′),63.4(Glu-6′),100.2(Glu-1),74.2 (Glu-2),71.5(Glu-3),69.9(Glu-4),79.4(Glu-5),62.1(Glu-6),61.6(Fru-1),104.4(Fru-2),77.5(Fru-3),76.9(Fru-4),82.1(Fru-5),63.7(Fru-6)。經(jīng)解析確定該化合物為[O-α-D-glucopyranosyl-(1→4)]2-O-β-D-fructofuranosyl-(2→1)-α-D-glucopyranoside。

      化合物2(黃色糖漿狀液體)〔10〕:1H NMR(400 MHz,D2O)δ:3.88,3.80(2H,d,J=9.5 Hz,F(xiàn)ru-1),4.30(1H,d,J=8.8 Hz,F(xiàn)ru-3),4.09(1H,dd,J=8.8,8.5 Hz,F(xiàn)ru-4),3.81(1H,m,F(xiàn)ru-5),3.85(1H,m,F(xiàn)ru-6a),3.75(1H,m,F(xiàn)ru-6b),3.76,3.70(2H,d,J= 9.5 Hz,F(xiàn)ru-1′),4.18(1H,d,J =8.8 Hz,F(xiàn)ru-3′),4.09(1H,dd,J=8.8,8.5 Hz,F(xiàn)ru-4′),3.87(1H,m,F(xiàn)ru-5′),3.88(1H,m,F(xiàn)ru-6′a),3.83(1H,m,F(xiàn)ru-6′b),5.17(1H,d,J=3.6,Glu-1),3.66(1H,dd,J=10.3 Hz,3.6,Glu-2),3.85(1H,dd,J =10.3,9.2 Hz,Glu-3),3.52(1H,dd,J=10.3,9.2 Hz,Glu-4),3.94(1H,m,Glu-5),3.85(1H,m,Glu-6a),3.78(1H,m,Glu-6b),5.13(1H,d,J=4.0 Hz,Glu-1′),3.57(1H,dd,J=10.3,3.6,Glu-2′),3.76(1H,dd,J=10.3,9.2 Hz,Glu-3′),3.44(1H,dd,J=10.3,9.2 Hz,Glu-4′),3.94(1H,m,Glu-5′),3.84(1H,m,Glu-6′a),3.77(1H,m,Glu-6′b)。13C NMR(100 MHz,D2O)δ:62.0(Fru-1),104.5(Fru-2),77.5(Fru-3),74.5(Fru-4),81.7(Fru-5),62.7(Fru-6),61.1(Fru-1′),104.5(Fru-2′),77.6 (Fru-3′),75.3(Fru-4′),82.0(Fru-5′),63.4(Fru-6′),91.6(Glc-1),75.8(Glc-2),72.1(Glc-3),70.0(Glc-4),73.0(Glc-5),61.1(Glc-6),96.8(Glc-1′),72.1(Glc-2′),73.7(Glc-3′),70.2(Glc-4′),72.6(Glc-5′),61.2(Glc-6′)。經(jīng)解析確定該化合物為O-α-D-glucopyranosyl-(1→2)-O-[β-D-fructofuranosyl-(2→1)]2-α-D-glucopyranoside。

      化合物3(黃色糖漿狀液體)〔10〕:1H NMR(400 MHz,D2O)δ:3.90,3.73(2H,d,J =8.7 Hz,F(xiàn)ru-1),4.34(1H,d,J=8.5 Hz,F(xiàn)ru-3),4.04(1H,dd,J=8.5,8.1 Hz,F(xiàn)ru-4),3.71(1H,m,F(xiàn)ru-5),3.08(1H,m,F(xiàn)ru-6a),3.12(1H,m,F(xiàn)ru-6b),3.65,3.74(2H,d,J=11.0 Hz,F(xiàn)ru-1′),4.20(1H,d,J=8.5 Hz,F(xiàn)ru-3′),4.08(1H,dd,J=7.9,8.5 Hz,F(xiàn)ru-4′),3.84(1H,m,F(xiàn)ru-5′),3.88(1H,m,F(xiàn)ru-6′a),3.83(1H,m,F(xiàn)ru-6′b),5.67(1H,d,J=3.4 Hz,Glu-1),3.61(1H,dd,J=10.3,3.6 Hz,Glu-2),3.90(1H,dd,J=9.9,8.8 Hz,Glu-3),3.49(1H,dd,J =9.6,8.8 Hz,Glu-4),3.90(1H,m,Glu-5),3.81(1H,m,Glu-6a),3.78(1H,m,Glu-6b),5.31(1H,d,J=3.6 Hz,Glu-1′),3.69(1H,dd,J=10.1,3.6 Hz,Glu-2′),3.83(1H,dd,J=10.1,9.0 Hz,Glu-3′),3.44(1H,dd,J=10.3,9.2 Hz,Glu-4′),3.94(1H,m,Glu-5′),3.84(1H,m,Glu-6′a),3.77(1H,m,Glu-6′b),5.13(1H,d,J=4.0 Hz,Glu-1′′),3.57(1H,dd,J=10.3,3.6 Hz,Glu-2′′),3.76(1H,dd,J=10.3,9.2 Hz,Glu-3′′),3.47(1H,dd,J=9.6,9.0 Hz,Glu-4′′),3.83(1H,m,Glu-5′′),3.88(1H,m,Glu-6′′a),3.75(1H,m,Glu-6′′b)。13C NMR(100 MHz,D2O)δ:61.8(Fru-1),104.5(Fru-2),76.7(Fru-3),74.5(Fru-4),82.1(Fru-5),63.0(Fru-6),61.5(Fru-1′),104.7 (Fru-2′),77.3(Fru-3′),75.1(Fru-4′),81.9(Fru-5′),63.1(Fru-6′),91.8(Glc-1),80.2(Glc-2),72.7(Glc-3),69.8(Glc-4),73.0(Glc-5),61.1(Glc-6),97.0(Glc-1′),76.8(Glc-2′),72.4(Glc-3′),70.5(Glc- 4′),73.3 (Glc-5′),61.3(Glc-6′),97.6(Glc-1′′),72.0(Glc-2′′),73.4(Glc-3′′),70.3(Glc-4′′),72.6(Glc-5′′),61.2 (Glc-6′′)。經(jīng)解析該化合物為[O-α-D-glucopyranosyl-(1→2)]2- O-[β- D- fructofuranosyl-(2→1)]2-α-D-glucopyranoside。

      化合物4(黃色糖漿狀液體)〔10〕:1H NMR(400 MHz,D2O)δ:3.89,3.72(2H,d,J=8.7 Hz,F(xiàn)ru-1),4.32(1H,d,J=8.8 Hz,F(xiàn)ru-3),4.02(1H,dd,J=8.8,9.0 Hz,F(xiàn)ru-4),3.79(1H,m,F(xiàn)ru-5),3.82(1H,m,F(xiàn)ru-6a),3.75(1H,m,F(xiàn)ru-6b),3.87,3.72(1H,d,J= 9.5 Hz,F(xiàn)ru-1′),4.21(1H,d,J=8.8 Hz,F(xiàn)ru-3′),4.06 (1H,dd,J=8.8,8.5 Hz,F(xiàn)ru-4′),3.85(1H,m,F(xiàn)ru-5′),3.82(1H,m,F(xiàn)ru-6′a),3.75(1H,m,F(xiàn)ru-6′b),3.75,3.68(2H,d,J =11.9 Hz,F(xiàn)ru-1′′),4.18(1H,d,J= 11.9 Hz,F(xiàn)ru-3′′),4.10(1H,dd,J=11.1,8.5 Hz,F(xiàn)ru-4′′),3.85(1H,m,F(xiàn)ru-5′′),3.82(1H,m,F(xiàn)ru-6′′a),3.75(1H,m,F(xiàn)ru-6′′b),5.71(1H,d,J=3.6 Hz,Glu-1),3.66(1H,dd,J=10.3,3.6 Hz,Glu-2),3.66(1H,dd,J=10.3,9.2 Hz,Glu-3),3.66(1H,dd,J=10.3,9.2 Hz,Glu-4),3.83(1H,m,Glu-5),3.85(1H,m,Glu-6a),3.78(1H,m,Glu-6b),5.13(1H,d,J=4.0 Hz,Glu-1′),3.57(1H,dd,J=10.3,3.6 Hz,Glu-2′),3.76 (1H,dd,J=10.3,9.2 Hz,Glu-3′),3.44(1H,dd,J= 10.3,9.2 Hz,Glu-4′),3.94(1H,m,Glu-5′),3.84 (1H,m,Glu-6′a),3.77(1H,m,Glu-6′b)。13C NMR (100 MHz,D2O)δ:62.2(Fru-1),104.6(Fru-2),77.8 (Fru-3),74.7(Fru-4),81.8(Fru-5),62.9(Fru-6),61.5(Fru-1′),104.0(Fru-2′),78.2(Fru-3′),75.3 (Fru-4′),82.1(Fru-5′),63.3(Fru-6′),61.5(Fru-1′′),104.6(Fru-2′′),77.6(Fru-3′′),75.2(Fru-4′′),82.0 (Fru-5′′),63.1(Fru-6′′),90.7(Glc-1),75.8(Glc-2),72.1(Glc-3),70.2(Glc-4),73.1(Glc-5),61.2(Glc-6),96.7(Glc-1′),72.3(Glc-2′),73.8(Glc-3′),70.3(Glc-4′),72.7(Glc-5′),61.3(Glc-6′)。經(jīng)解析該化合物為O-α-D-glucopyranosyl-(1→2)-O-[β-D-fructofuranosyl-(2→1)]3-α-D-glucopyranoside。

      [參考文獻(xiàn)]

      〔1〕大理州人民政府.大理中藥資源志〔M〕.昆明:云南民族出版社,1991:265.

      〔2〕云南省衛(wèi)生廳.《云南省藥品標(biāo)準(zhǔn)》〔S〕. 1996:10.

      〔3〕管寧,韓建東,李瑾,等.天然寡糖的研究進(jìn)展〔J〕.山東農(nóng)業(yè)科學(xué),2013,45(7):141-145.

      〔4〕武衛(wèi)紅,溫學(xué)森,趙宇.地黃寡糖及其藥理活性研究進(jìn)展〔J〕.中藥材,2006,29(5):507-510.

      〔5〕劉福君,趙修南,湯建芳,等.地黃低聚糖對(duì)快速老化模型小鼠造血功能的影響〔J〕.中國(guó)藥理學(xué)通報(bào),1997,13 (6):31-34.

      〔6〕曾洋洋,韓章潤(rùn),楊玫婷,等.海洋糖類(lèi)藥物研究進(jìn)展〔J〕.中國(guó)海洋藥物,2013,32(2):67-75.

      〔7〕王媛媛,郭文斌,王淑芳,等.褐藻寡糖的生物活性與應(yīng)用研究進(jìn)展〔J〕.食品與發(fā)酵工業(yè),2010,36(10):122-126.

      〔8〕GRIFFITH M J. The heparin-enhanced antithrombin III/ thrombin reaction is saturable with respect to both thrombin and antithrombin III〔J〕. Journal of Biological Chemistry,1982,257(23):13899.

      〔9〕HAMMODA H M,GHAZY N M,HARRAZ F M,et al. Chemical constituents from Tribulus terrestris and screening of their antioxidant activity〔J〕. Phytochemistry,2013,92:153-159.

      〔10〕OKADA H,F(xiàn)UKUSHI E,ONODERA S,et al. Synthesis and structural analysis of five novel oligosaccharides prepared by glucosyltransfer from β-D-glucose 1-phosphate to isokestose and nystose using Thermoanaerobacter brockiikojibiosephosphorylase〔J〕.CarbohydrateResearch,2003,338(9):879-885.

      (責(zé)任編輯李楊)

      Study on Oligosaccharide Constituents of Medicinal Plants Campylotropis Trigonoclada

      Li Fengfeng,F(xiàn)u Chen,Wang Fusheng*
      (College of Pharmacy and Chemistry,Dali University,Dali,Yunnan 671000,China)

      〔Abstract〕Objective: To explore the oligosaccharide constituents of Campylotropis Trigonoclada for finding bioactive natural products. Methods: The extract water part of C. trigonoclada was chromatographied by silica gel,ODS column and LH-20 gel column chromatography methods,and the isolates were identified based on spectroscopic analysis(1H NMR and13C NMR). Results: Four oligosaccharide compounds were isolated from C. trigonoclada and characterized as[O-α-D-glucopyranosyl-(1→4)]2-O-β-D-fructofuranosyl-(2→1)-α-D-glucopyranoside(1),O-α-D-glucopyranosyl-(1→2)-O-[β-D-fructofuranosyl-(2→1)]2-α-D-glucopyranoside(2),[O-α-D-glucopyranosyl-(1→2)]2-O-[β-D-fructofuranosyl-(2→1)]2-α-D-glucopyranoside(3)and O-α-D-glucopyranosyl-(1→2)-O-[β-D-fructofuranosyl-(2→1)]3-α-D-glucopyranoside(4). Conclusion: Four oligosaccharide compounds were isolated from this genus for the first time.

      〔Key words〕Campylotropis;Campylotropis Trigonoclada;chemical constituent;oligosaccharide

      [中圖分類(lèi)號(hào)]R284.2

      [文獻(xiàn)標(biāo)志碼]A

      [文章編號(hào)]2096-2266(2016)04-0005-03

      [基金項(xiàng)目]大理學(xué)院博士啟動(dòng)基金資助項(xiàng)目(KYBS201114)

      [收稿日期]2015-09-15[修回日期]2015-11-11

      [作者簡(jiǎn)介]李逢逢,碩士研究生,主要從事天然藥物化學(xué)研究.

      *通信作者:王福生,教授,博士.

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