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UPLC-Q-TOF-MS法分析枇杷叶的倍半萜苷类化合物 被引量:13
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作者 赵磊 陈剑 +2 位作者 印敏 任冰如 李维林 《中成药》 CAS CSCD 北大核心 2015年第7期1498-1502,共5页
目的采用超高效液相-四级杆-飞行时间串联质谱(UPLC-Q-TOF-MS)技术对分离得到的枇杷叶总倍半萜苷类成分进行定性分析,并对其裂解途径进行研究总结。方法枇杷叶乙醇提取物经大孔树脂、聚酰胺柱色谱和RP-18柱色谱处理后,得到的枇杷叶总倍... 目的采用超高效液相-四级杆-飞行时间串联质谱(UPLC-Q-TOF-MS)技术对分离得到的枇杷叶总倍半萜苷类成分进行定性分析,并对其裂解途径进行研究总结。方法枇杷叶乙醇提取物经大孔树脂、聚酰胺柱色谱和RP-18柱色谱处理后,得到的枇杷叶总倍半萜苷采用Agilent ZORBAX SB-C18色谱柱(4.6 mm×100 mm,1.8μm),甲醇-0.1%甲酸水溶液为流动相进行梯度洗脱,ESI源负离子模式下采集质谱数据。结果从总倍半萜苷中得到5个倍半萜苷类化合物,其二级质谱裂解规律均相同,表现为逐个脱去寡糖链上的糖基,产生特征碎片离子m/z 675、529、383,最后生成m/z 205的特征苷元碎片。结论其中2个倍半萜苷类成分可能是仅在苷元C-6和C-7位上构型有差异的loquatifolin A和6,7-cis-nerolidol-3-O-α-L-rhamnopyranosyl-(1→4)-α-L-rhamnopyranosyl-(1→2)-[α-L-rhamnopyranosyl-(1→6)]-β-D-glucopyranoside。 展开更多
关键词 枇杷叶 倍半萜苷 UPLC-Q-TOF-MS loquatifolin A 6 7-cis-nerolidol-3-O-α-L-rhamnopyranosyl-(1→4)-α-L-rh-amnopyranosyl-(1→2)--L-rhamnopyranosyl-(1→6)]-β-d-glucopyranoside
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青蕨植物化学成分的研究(英文) 被引量:4
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作者 胡浩斌 郑旭东 《西北植物学报》 CAS CSCD 北大核心 2005年第4期781-785,共5页
从青蕨根部的乙酸乙酯提取物中分离得到4个化合物.通过化学及波谱分析鉴定其结构为:saucerneolD1,dehydrogoniothalamin2,1-acetoxyl-2-piperonyl-6-[6-methoxyl-piperonyl]-3,7-dioxabicyclo-[3,3,0]-octane3and5,5′-dihydroxy-3-meth... 从青蕨根部的乙酸乙酯提取物中分离得到4个化合物.通过化学及波谱分析鉴定其结构为:saucerneolD1,dehydrogoniothalamin2,1-acetoxyl-2-piperonyl-6-[6-methoxyl-piperonyl]-3,7-dioxabicyclo-[3,3,0]-octane3and5,5′-dihydroxy-3-methoxy-6,8,3″,3″-tetramethylpyran-3′,4′flavone-7-O-[β-D-apiofuranosyl-1→6]-β-D-glucopyranoside4.其中化合物4为新化合物,化合物1为首次从该属植物中分离得到. 展开更多
关键词 青蕨 saucerneol D 5 5′-dihydroxy-3-methoxy-6 8 3″ 3″-tetramethylpyran-(3′ 4′)flavone-7-O--D-apiofuranosyl-(1→6)]-β-d-glucopyranoside
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Two New Flavonoid Glycosides from Chrysanthemum morifolium 被引量:10
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作者 Jian ZHANG An Wei DING +3 位作者 You Bin LI Da Wei QIAN Jin Ao DUAN Zhi Qi YIN 《Chinese Chemical Letters》 SCIE CAS CSCD 2006年第8期1051-1053,共3页
Two new flavonoid glycosides were isolated from the flowering heads of Chrysanthemum morifolium. Their structures were determined to be luteolin 4'-methoxy-7- O-(6"-O-acetyl)-β-D-glucopyranoside (1) and acaceti... Two new flavonoid glycosides were isolated from the flowering heads of Chrysanthemum morifolium. Their structures were determined to be luteolin 4'-methoxy-7- O-(6"-O-acetyl)-β-D-glucopyranoside (1) and acacetin 7-O-(3"-O-acetyl)-β-D-glucopyranoside (2) by means of 1H and 13C NMR spectroscopic analysis, including 2D NMR technique. 展开更多
关键词 Chrysanthemum morifolium flavonoid glycosides luteolin 4-methoxy-7-O-(6"-O-acetyl)-β-d-glucopyranoside acacetin 7-O-(3"-O-acetyl)-β-d-glucopyranoside.
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Spirostane Steroidal Saponins from the Undergroud Parts of Tupistra chinensis 被引量:4
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作者 GuangXuWU XiaoYiWEI WeiXinCHEN 《Chinese Chemical Letters》 SCIE CAS CSCD 2005年第7期911-914,共4页
Two new spirostanol saponins, (25S)-spirostane-1β,3β,5β-triol 3-O-β-D-glucopyrano- side 1 and rhodeasapogenin 3-O-β-D-glucopyranosyl-(1 → 4)-β-D-glucopyranoside 2, together with a known saponin, rhodeasapogenin... Two new spirostanol saponins, (25S)-spirostane-1β,3β,5β-triol 3-O-β-D-glucopyrano- side 1 and rhodeasapogenin 3-O-β-D-glucopyranosyl-(1 → 4)-β-D-glucopyranoside 2, together with a known saponin, rhodeasapogenin 3-O-β-D-glucopyranoside 3, were isolated from the underground parts of Tupistra chinensis Bak.. Their structures were determined by spectroscopic analysis. 展开更多
关键词 Tupistra chinensis Bak. LILIACEAE steroidal saponins (25S)-spirostane- -triol 3- O-β-d-glucopyranoside rhodeasapogenin 3-O-D-glucopyranosyl-(1 4)-β-d-glucopyranoside.
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New Constituents from the Fresh Stems of Opuntia Dillenii 被引量:2
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作者 QIUYing-kun CHENYing-jie +2 位作者 PEIYu-pin MatsudaHisashi YoshikawaMasayuki 《Journal of Chinese Pharmaceutical Sciences》 CAS 2003年第1期1-5,共5页
Aim To study the chemical composition of Opuntia dillenii Haw. Methods Manykinds of chromatogra-phy methods were used in the isolation procedure, while the structures ofisolated compounds were determined on the aids o... Aim To study the chemical composition of Opuntia dillenii Haw. Methods Manykinds of chromatogra-phy methods were used in the isolation procedure, while the structures ofisolated compounds were determined on the aids of NMR and MS spectral analysis. Result Three newcompounds, together with 14 known compounds, were isolated form the 80% ethanolic extract of itsstems. Conclusion The three new compounds, opuntioside Ⅰ (2), 4-ethoxyl-6-hydroxymethyl-α-pyrone(3) and kaempferol 7-O-β-D-glucopyranosyl (1→4)-β-D-glucopyranoside (4), were characterized. 展开更多
关键词 opuntia dillenii opuntioside 4-ethoxyl-6-hydroxymethyl-α-pyrone kaempferol 7- O-D-glucopyranosyl (1→4)-β-d-glucopyranoside
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A new glycoside from the leaves of Neoalsomitra integrifoliola 被引量:1
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作者 Dong Min Su Jing Qu +5 位作者 You Cai Hu Shi Shan Yu Wen Zhao Tang Yun Bao Liu Shuang Gang Ma De Quan Yu 《Chinese Chemical Letters》 SCIE CAS CSCD 2008年第7期845-848,共4页
A new ionone glycoside (6R,9R)-blumenyl α-L-rhamnopyranosyl-(1 → 6)-β-D-gluco-pyranoside (1), together with a new natural product 2-methoxyl-4-trans-pmpenyl-phenol α-L-rhamnopyranosyl-(1 → 6)-β-D-glucopy... A new ionone glycoside (6R,9R)-blumenyl α-L-rhamnopyranosyl-(1 → 6)-β-D-gluco-pyranoside (1), together with a new natural product 2-methoxyl-4-trans-pmpenyl-phenol α-L-rhamnopyranosyl-(1 → 6)-β-D-glucopyranoside (2), was isolated from the leaves ofNeoalsomitra integrifoliola. Their structures were elucidated by chemical and spectral analysis. Compound 1 showed weak anti-inflammatory and low-level antioxidant activities. 展开更多
关键词 Neoalsomitra integrifoliola (6R 9R)-Blumenyl α-L-rhamnopyranosyl-(1 6)-β-d-glucopyranoside 2-Methoxyl-4-trans-propenyl-phenol α-L-rhamnopyranosyl-(1 6)-β-d-glucopyranoside BIOACTIVITIES
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New flavan and unusual chalcone glycosides from Drypetes parvifolia 被引量:1
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作者 Viviane Nadège Nenkep Jovita Chi Shirri +5 位作者 Hanh Trinh Van-Dufat Falindor Sipepnou Philippe Vérité Elisabeth Seguin Francois Tillequin Jean Wandji 《Chinese Chemical Letters》 SCIE CAS CSCD 2008年第8期943-946,共4页
Two new compounds 7-hydroxy-5-O-(β-D-glucopyranoside) flavan (1) and (Z)-4',6'-dihydroxy-2'-O-(β-D-glucopyranoside) chalcone (2), along with eight known compounds, were isolated from the stem bark of Dr... Two new compounds 7-hydroxy-5-O-(β-D-glucopyranoside) flavan (1) and (Z)-4',6'-dihydroxy-2'-O-(β-D-glucopyranoside) chalcone (2), along with eight known compounds, were isolated from the stem bark of Drypetes parvifolia (Euphorbiaceae). Their structures were established on the basis of spectroscopic analysis and chemical evidence. 展开更多
关键词 Drypetes parvifolia Flavonoid glycosides 7-Hydroxy-5-O-β-d-glucopyranoside flavan (Z)-4 6'-Dihydroxy-2'-O-(β-D-glucopyr-anoside) chalcone
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A new phenolic compound from Crinum asiaticum L.
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作者 Qian Sun Wei Dong Zhang +2 位作者 Yun Heng Shen Chuan Zhang Hui Liang Li 《Chinese Chemical Letters》 SCIE CAS CSCD 2008年第4期447-449,共3页
A new phenolic compound was isolated from the ethanol extract of the bulbs of Crinum asiaticum L.var.sinicum Baker.Its structure was defined as 1-(2-hydroxy-4-hydroxymethyl)phenyl-6-O-caffeoyl-β-D-gluco-pyranoside ... A new phenolic compound was isolated from the ethanol extract of the bulbs of Crinum asiaticum L.var.sinicum Baker.Its structure was defined as 1-(2-hydroxy-4-hydroxymethyl)phenyl-6-O-caffeoyl-β-D-gluco-pyranoside on the basis of spectroscopic evidences. 展开更多
关键词 Crinum asiaticum L.var.sinicum baker Amaryllideae Phenolic compound 1-(2-Hydroxy-4-hydroxymethyl)phenyl-6-O-caffeoyl-β-d-glucopyranoside
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Chemical constituents and anticoagulant activity from Delphinium brunonianum Royle
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作者 Changyang Ma Sitan Chen +4 位作者 Syed Arif Hussain Rizvi Huihui Zhou Wenyi Kang Xuefeng Xi Zhenhua Liu 《Journal of Future Foods》 2024年第3期241-247,共7页
Delphinium brunonianum Royle belongs to Ranunculaceae family and has the effects of dispelling wind to relieve itching and cooling blood to detoxify.It was found that the extracts of D.brunonianum had good anticoagula... Delphinium brunonianum Royle belongs to Ranunculaceae family and has the effects of dispelling wind to relieve itching and cooling blood to detoxify.It was found that the extracts of D.brunonianum had good anticoagulant activity which was extracted with 70%ethanol in our previous researches.Then,16 compounds were isolated and identified from the extract of D.brunonianum,among which compounds 5,7-10,12,14,15-16 were isolated from this genus for the first time,and compounds 2-4 were isolated from this plant for the first time.And the coagulation activity assay showed that compounds 10,14 and 15 had good anticoagulant activity by activated partial thromboplastin time(APTT),thrombin time(TT)and prothrombin time(PT)in vitro. 展开更多
关键词 Delphinium brunonianum Royle 9-Hydroxy-megastigma-4 7-dien-3-one-9-Dglucopyranoside 4-O-α-D-Glucosyl benzoic acid Isolariciresinol 4-O-β-d-glucopyranoside Anticoagulant activity
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玄参药材中多类型成分的定量分析方法建立及其在脉络宁口服液中的应用 被引量:1
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作者 徐思易 谭亚杰 +2 位作者 唐浩竣 李剑 谭宁华 《中草药》 CAS CSCD 北大核心 2023年第11期3446-3458,共13页
目的建立超高效液相色谱-串联三重四极杆质谱(UPLC-QqQ-MS/MS)方法同时测定玄参Scrophulariae Radix中多类型成分的含量,并将此方法应用于脉络宁口服液(Mailuoning Oral Liquid,MOL),为玄参药材和MOL的质量评价提供依据。方法采用Waters... 目的建立超高效液相色谱-串联三重四极杆质谱(UPLC-QqQ-MS/MS)方法同时测定玄参Scrophulariae Radix中多类型成分的含量,并将此方法应用于脉络宁口服液(Mailuoning Oral Liquid,MOL),为玄参药材和MOL的质量评价提供依据。方法采用Waters HSS T3色谱柱(100 mm×2.1 mm,1.8μm),以0.1%甲酸水溶液和乙腈为流动相进行梯度洗脱。质谱采用电喷雾离子源(electrospray ionization,ESI),在多反应监测模式(multiple reaction monitoring,MRM)下对环烯醚萜苷、苯丙素苷、有机酸和核苷4类成分进行定量分析,结合化学计量学分析评价不同批次样品的质量。结果化学计量学结果表明,不同地区的玄参药材得到了有效区分,其质量差异可能与其生长环境相关。此外,4个年份(2019、2020、2021和2022年)的MOL各自聚成1类,可能是当年使用的药材质量相对稳定使得同一年份的MOL质量更相近;通过正交偏最小二乘-判别分析(orthogonal partial least squares-discriminate analysis,OPLS-DA)进一步筛选出不同年份MOL中异毛蕊花糖苷、对甲氧基肉桂酸、腺苷、1-(3-hydroxy-4-methoxyphenyl)ethyl-3-α-L-rhamnopyranosyl-6-caffeoyl-β-D-glucopyranoside、对羟基苯甲酸、阿魏酸和原儿茶酸7个差异性化学成分。结论该方法特异性强、准确度高且稳定性好,可为MOL中臣药玄参的药材选择及复方整体质量评价提供科学依据。 展开更多
关键词 玄参 脉络宁口服液 质量控制 化学计量学 异毛蕊花糖苷 对甲氧基肉桂酸 腺苷 1-(3-hydroxy-4-methoxyphenyl)ethyl-3-α-L-rhamnopyranosyl-6-caffeoyl-β-d-glucopyranoside 对羟基苯甲酸 阿魏酸 原儿茶酸
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桂枝茯苓胶囊化学成分研究(VI) 被引量:12
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作者 谢雪 张宏达 +6 位作者 温建辉 宋亚玲 王雪晶 赵祎武 黄文哲 王振中 萧伟 《中草药》 CAS CSCD 北大核心 2016年第21期3795-3797,共3页
目的对桂枝茯苓胶囊内容物正丁醇和醋酸乙酯萃取部位进行化学成分研究。方法采用多种色谱方法对桂枝茯苓胶囊内容物的正丁醇和醋酸乙酯萃取部位进行分离纯化,根据理化性质和波谱数据鉴定其结构。结果从醋酸乙酯和正丁醇层分离得到10个... 目的对桂枝茯苓胶囊内容物正丁醇和醋酸乙酯萃取部位进行化学成分研究。方法采用多种色谱方法对桂枝茯苓胶囊内容物的正丁醇和醋酸乙酯萃取部位进行分离纯化,根据理化性质和波谱数据鉴定其结构。结果从醋酸乙酯和正丁醇层分离得到10个化合物,分别鉴定为对羟基苯甲酸(1)、反式邻甲氧基桂皮酸(2)、反式桂皮酸(3)、对香豆酸(4)、2,5-dihydroxy-4-methylaeetophenone(5)、没食子酸乙酯(6);从正丁醇层分离得到4个化合物,分别为香草酸(7)、原儿茶酸(8)、affinoside(9)、benzyl-β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside(10)。结论化合物1~10均为首次从该复方中分离得到。 展开更多
关键词 桂枝茯苓胶囊 对香豆酸 2 5-dihydroxy-4-methylacetophenone 原儿茶酸 affinoside benzyl-D-glucopyranosyl-(1→6)-β-d-glucopyranoside
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续断的化学成分研究 被引量:13
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作者 孙欣光 黄文华 郭宝林 《现代药物与临床》 CAS 2014年第5期459-464,共6页
目的研究续断的化学成分。方法运用大孔树脂、反相硅胶及制备高效液相等色谱技术进行分离纯化,并根据理化性质和波谱数据鉴定化合物的结构。结果分离得到13个化合物,其中7个环烯醚萜苷和6个木脂素类化合物,分别鉴定为马钱苷(1)、獐牙菜... 目的研究续断的化学成分。方法运用大孔树脂、反相硅胶及制备高效液相等色谱技术进行分离纯化,并根据理化性质和波谱数据鉴定化合物的结构。结果分离得到13个化合物,其中7个环烯醚萜苷和6个木脂素类化合物,分别鉴定为马钱苷(1)、獐牙菜苷(2)、6'-O-β-D-apiofuranosyl-sweroside(3)、续断苷H(4)、续断苷F(5)、续断苷E(6)、triplostoside A(7)、(7R,8S,7'R,8'S)-5-methoxyprinsepiol-4-O-β-D-glucopyranoside(8)、(7R,8S,7'R,8'S)-prinsepiol-4-O-β-D-glucopyranoside(9)、acanthoside D(10)、(7R,8S,7'R,8'S)-fraxiresinol-4'-O-β-D-glucopyranoside(11)、(7R,8S,7'R,8'S)-8-hydroxypinoresinol-4'-O-β-D-glucopyranoside(12)、(7R,8S,7'R,8'S)-8-hydroxypinoresinol-4-O-β-D-glucopyranoside(13)。结论其中化合物8、9、11、12、13为首次从川续断属植物中分离得到。 展开更多
关键词 续断 环烯醚萜苷 木脂素 (7R 8S 7′R 8′S)-5-methoxyprinsepiol-4-O-β-d-glucopyranoside (7R 8S 7'R 8'S)-prinsepiol-4-O-β-d-glucopyranoside
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红葱的化学成分研究 被引量:9
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作者 刘西京 《中草药》 CAS CSCD 北大核心 2012年第2期223-225,共3页
目的研究红葱Eleutherine americana的化学成分。方法采用硅胶柱色谱、Sephadex LH-20柱色谱及重结晶等方法,分离纯化红葱的化学成分,通过MS、NMR等波谱技术确定化合物结构。结果确定了7个化合物的结构,分别为9-hydroxy-8-methoxy-1-met... 目的研究红葱Eleutherine americana的化学成分。方法采用硅胶柱色谱、Sephadex LH-20柱色谱及重结晶等方法,分离纯化红葱的化学成分,通过MS、NMR等波谱技术确定化合物结构。结果确定了7个化合物的结构,分别为9-hydroxy-8-methoxy-1-methyl-1,3-dihydronaphtho[2,3-c]furan-4-O-β-D-glucopyranoside(1)、eleutherinoside A(2)、豆甾醇-3-O-β-D-葡萄糖苷(3)、kadsuric acid(4)、豆甾醇(5)、1,2-二羟基-8-甲氧基-3-甲基蒽醌(6)、9-methoxy-1,3-dimethyl-1H-naphtho[2,3-c]pyran-5,10-dione(7)。结论化合物1为新化合物,命名为红葱新苷。化合物3~5为首次从该植物中分离得到,化合物6和7为首次获得的新天然产物。 展开更多
关键词 红葱 9-hydroxy-8-methoxy-1-methyl-1 3-dihydronaphtho[2 3-c]furan-4-O-β-d-glucopyranoside 1 2-二羟基-8-甲氧基-3-甲基蒽醌 9-methoxy-1 3-dimethyl-1H-naphtho[2 3-c]pyran-5 10-dione 豆甾醇-3-O-D-葡萄糖苷
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STUDIES ON TANNIN CONSTITUENTS OF ROOT FROM Potentilla viscosa 被引量:3
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作者 张本 黄青 +4 位作者 张洪岩 李超生 吕琳 GEN-ICHIRO NONAKA ITSUO NISHIOKA 《Chinese Science Bulletin》 SCIE EI CAS 1990年第3期239-243,共5页
Potentilla viscosa J. Don is widely distributed over the districts of Baicheng and Yanbian in Jilin Province. The root of P. viscosa can be used for the treatment of hepatitis. In our chemical investigation of tannin,... Potentilla viscosa J. Don is widely distributed over the districts of Baicheng and Yanbian in Jilin Province. The root of P. viscosa can be used for the treatment of hepatitis. In our chemical investigation of tannin, we isolated seven compounds. Now we will describe them as follows. 展开更多
关键词 POTENTILLA viscosa J. Don ROSACEAE TANNIN (+)-catechin (+)-catechin-3-0-D-glycoside afzelechin(4 α-8)catechin PROCYANIDIN B-3 procyanidin-B-3 3’-0-β-d-glucopyranoside PROCYANIDIN C-2 potcotillanin.
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