中草药  2016, Vol. 47 Issue (20): 3565-3568
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熏倒牛中黄酮类成分研究
张普照1, 钟国跃2, 谢文伟2, 张亚梅2     
1. 江西中医药大学 现代中药制剂教育部重点实验室, 江西 南昌 330004 ;
2. 江西中医药大学 江西民族传统药现代科技与产业发展协同创新中心, 江西 南昌 330004
摘要: 目的 研究熏倒牛Biebersteinia heterostemon全草的化学成分。 方法 采用色谱技术进行分离纯化,根据波谱数据并参考文献鉴定其化学成分结构。 结果 从熏倒牛95%乙醇提取物的正丁醇萃取部位分离得到10个黄酮类化合物,分别鉴定为香叶木苷(1)、芹菜素-7-O-芦丁糖苷(2)、金圣草黄素-7-O-槐糖苷(3)、木犀草素-7-O-芸香糖苷(4)、槲皮素-3-O-β-D-吡喃葡萄糖基 (1→2)-β-D-吡喃葡萄糖苷(5)、芹黄素7-O-槐糖苷(6)、槲皮素-3-O-β-D-吡喃葡萄糖苷(7)、6-hydroxyluteolin(8)、木犀草苷(9)、海波拉亭-7-O-β-D-吡喃葡萄糖苷(10)。 结论 化合物1、3、58、10为首次从熏倒牛中分离得到。
关键词: 熏倒牛     黄酮     香叶木苷     金圣草黄素-7-O-槐糖苷     芹黄素7-O-槐糖苷    
Flavonoids from Biebersteinia heterostemon
ZHANG Pu-zhao1, ZHONG Guo-yue2, XIE Wen-wei2, ZHANG Ya-mei2     
1. Key Laboratory Modern Preparation of TCM, Ministry of Education, Jiangxi University of TCM, Nanchang 330004, China ;
2. Jiangxi Collaborative Innovation Center of Modern Technology and Industrial Development of Ethnic Traditional Medicine, Jiangxi University of TCM, Nanchang 330004, China
Abstract: Objective To study the chemical constituents from the herbs of Biebersteinia heterostemon. Methods The compounds were separated and purified by chromatographic methods. The structures were identified by spectroscopic analyses. Results Ten flavonoids were isolated from the butanol fraction of 95% ethanol extract in B. heterostemon and identified as diomsmin (1), apigenin-7-O-rutinoside (2), chrysoeriol-7-O-sophoroside (3), luteolin-7-rutinoside (4), quercetin-3-O-β-D-glucopyranosyl (1→2)-β-D-glucopyranoside (5), apigenin-7-O-sophoroside (6), quercetin 3-O-β-glucopyranoside (7), 6-hydroxyluteolin (8), luteoloside (9), and hypolaetin-7-O-β-D-glucopyranoside (10). Conclusion Compounds 1, 3, 5-8, and 10 are firstly isolated from B. heterostemon.
Key words: Biebersteinia heterostemon Maxim.     flavonoids     diomsmin     apigenin-7-O-rutinoside     apigenin-7-O-sophoroside    

熏倒牛科(Biebersteiniaceae)植物共5种,分布地域西起希腊,经东地中海、西亚、中亚,至我国甘青地区。该科植物在我国藏族地区及伊朗民间有较长的应用历史[1-2]。现代药理学研究表明,该科植物具有镇痛抗炎、抗氧化、镇静、解痉、降血糖及血压、抑菌及抗动脉粥样硬化作用[3]。该科植物化学成分主要有黄酮、生物碱、苯丙素、香豆素、甾醇、糖类、挥发油和萜类等[3]。为进一步充分发掘该科植物作为民族药的用药潜力,本实验对熏倒牛科植物熏倒牛Biebersteinia heterostemon Maxim.化学成分进行研究,分离得到10个黄酮类成分,分别鉴定为香叶木苷(diomsmin,1)、芹菜素-7-O-芦丁糖苷(apigenin-7-O-rutinoside,2)、金圣草黄素- 7-O-槐糖苷(chrysoeriol-7-O-sophoroside,3)、木犀草素-7-O-芸香糖苷(luteolin-7-rutinoside,4)、槲皮素-3-O-β-D-吡喃葡萄糖基 (1→2)-β-D-吡喃葡萄糖苷 [quercetin-3-O-β-D-glucopyranosyl (1→2)-β-D- glucopyranoside,5]、芹黄素7-O-槐糖苷(apigenin- 7-O-sophoroside,6)、槲皮素-3-O-β-吡喃葡萄糖苷(quercetin 3-O-β-glucopyranoside,7)、6-hydroxy-luteolin(8)、木犀草苷(luteoloside,9)、海波拉亭- 7-O-β-D-吡喃葡萄糖苷(hypolaetin-7-O-β-D- glucopyranoside,10)。化合物135810为首次从熏倒牛中分离得到。

1 仪器与材料

Bruker AVANCE III 600核磁共振波谱仪(瑞士布鲁克公司);LC-6AD制备型高效液相色谱(日本岛津株式会社);柱色谱硅胶(200~300目)和GF254薄层色谱硅胶(青岛海洋化工厂);Sephadex LH-20(GE Healthcare Bio-Sciences AB公司,瑞典);反相ODS填料(YMC公司,日本);Agilent 1200谱仪(Agilent公司,美国);分析高效液相色谱柱为Welch AQ-C18柱(250 mm×4.6 mm,5 μm);制备高效色谱柱为YMC-PACK ODS-A(250 mm×10 mm,5 μm)。高效液相色谱用甲醇为色谱级(TEDIA),其余试剂均为分析纯。

熏倒牛于2014年采集于西藏,经江西中医药大学民族药中心钟国跃教授鉴定为熏倒牛Biebersteinia heterostemon Maxim.。

2 提取与分离

熏倒牛全草(3.5 kg)粉碎,50%乙醇提取3次,合并滤液,减压回收得乙醇浸膏(1 000 g)。加入适量水混悬,分别用石油醚、醋酸乙酯和水饱和正丁醇进行萃取,得石油醚部位(400 g)、醋酸乙酯部位(60 g)和水饱和正丁醇部位(122 g)。正丁醇部位经MCI柱色谱,以水-甲醇(10∶0、10∶1、10∶2、10∶3、10∶4、10∶5、10∶6)梯度洗脱,得7个部分,每部分质量分别为48、8、8、23、8、4、2 g。其中第4个部分进行Sephadex LH-20柱色谱,50%甲醇洗脱,分离得到6个流分Fr. 1~6。利用HPLC制备分离技术,从Fr. 1分离得到化合物1(6 mg)、2(8 mg)、3(12 mg),从Fr. 4分离得到化合物4(9 mg)、5(9 mg)、6(4 mg),从Fr. 5分离得到化合物7(15 mg)、8(20 mg)、9(5 mg)、10(6 mg)。

3 结构鉴定

化合物1:黄色粉末;1H-NMR (600 MHz,CD3OD) δ: 6.82 (1H,s,H-3),6.56 (1H,s,H-6),6.73 (1H,s,H-8),7.54 (1H,brs,H-2′),6.99 (1H,d,J = 8.0 Hz,H-5′),7.59 (1H,d,J = 8.0 Hz,H-6′),5.06 (1H,brs,H-1″),4.73 (1H,brs,H-1′′′),4.00 (3H,s,4′-OCH3),1.19 (3H,d,J = 6.3 Hz,H-6′′′);13C-NMR (150 MHz,CD3OD) δ: 163.3 (C-2),105.7 (C-3),182.6 (C-4),157.5 (C-5),100.0 (C-6),165.3 (C-7),94.9 (C-8),161.6 (C-9),103.1 (C-10),120.6 (C-1′),115.4 (C-2′),148.1 (C-3′),150.9 (C-4′),109.3 (C-5′),122.1 (C-6′),55.3 (4′-OMe),100.6 (C-1″),73.3 (C-2″),76.4 (C-3″),70.9 (C-4″),75.7 (C-5″),65.9 (C-6″),99.6 (C-1′′′),70.6 (C-2′′′),69.8 (C-3′′′),72.6 (C-4′′′),68.3 (C-5′′′),16.4 (C-6′′′)。以上数据与文献报道一致[4],故鉴定化合物1为香叶木苷。

化合物2:黄色粉末;1H-NMR (600 MHz,DMSO-d6) δ: 12.98 (1H,s,5-OH),6.87 (1H,s,H-3),6.46 (1H,d,J = 2.0 Hz,H-6),6.78 (1H,d,J = 2.0 Hz,H-8),7.96 (2H,d,J = 8.4 Hz,H-2′,6′),6.96 (2H,d,J = 8.4 Hz,H-3′,5′),5.07 (1H,d,J = 7.5 Hz,H-1″),4.55 (1H,brs,H-1′′′),1.08 (3H,d,J = 6.2 Hz,H-6′′′);13C-NMR (150 MHz,DMSO-d6) δ: 164.6 (C-2),103.5 (C-3),182.3 (C-4),163.3 (C-5),100.0 (C-6),161.8 (C-7),95.2 (C-8),157.2 (C-9),105.8 (C-10),121.4 (C-1′),129.0 (C-2′,6′),116.5 (C-3′,5′),161.9 (C-4′),100.9 (C-1″),72.5 (C-2″),76.0 (C-3″),70.7 (C-4″),76.7 (C-5″),66.5 (C-6″),99.9 (C-1′′′),70.0 (C-2′′′),71.1 (C-3′′′),73.5 (C-4′′′),68.7 (C-5′′′),18.2 (C-6′′′)。以上数据与文献报道一致[5],故鉴定化合物2为芹菜素-7-O-芦丁糖苷。

化合物3:黄色粉末;1H-NMR (600 MHz,DMSO-d6) δ: 12.97 (1H,brs,5-OH),6.99 (1H,s,H-3),6.52 (1H,d,J = 2.0 Hz,H-6),6.95 (1H,d,J = 2.0 Hz,H-8),7.60 (1H,brs,H-2′),7.59 (1H,d,J = 8.4 Hz,H-6′),6.96 (1H,d,J = 8.4 Hz,H-5′),5.18 (1H,d,J = 7.0 Hz,H-1″),4.48 (1H,d,J = 7.8 Hz,H-1′′′),3.90 (3H,s,3′-OMe);13C-NMR (150 MHz,DMSO- d6) δ: 164.6 (C-2),103.8 (C-3),182.5 (C-4),161.5 (C-5),100.1 (C-6),163.3 (C-7),96.0 (C-8),157.2 (C-9),105.8 (C-10),121.7 (C-1′),110.6 (C-2′),148.5 (C-3′),151.3 (C-4′),116.2 (C-5′),120.9 (C-6′),99.1 (C-1″),83.3 (C-2″),76.1 (C-3″),69.7 (C-4″),77.5 (C-5″),61.1 (C-6″),105.3 (C-1′′′),75.2 (C-2′′′),76.6 (C-3′′′),70.1 (C-4′′′),77.5 (C-5′′′),60.9 (C-6′′′),56.3 (3′-OMe)。以上数据与文献报道一致[6],故鉴定化合物3为金圣草黄素-7-O-槐糖苷。

化合物4:黄色粉末;1H-NMR (600 MHz,DMSO-d6) δ: 12.99 (1H,brs,5-OH),6.74 (2H,brs,H-3,8),6.46 (1H,brs,H-6),7.41 (1H,brs,H-2′),6.91 (1H,d,J = 8.4 Hz,H-5′),7.45 (1H,d,J = 8.4 Hz,H-6′),5.08 (1H,d,J = 7.5 Hz,H-1″),4.55 (1H,brs,H-1′′′),1.08 (3H,d,J = 6.2 Hz,H-6′′′);13C-NMR (150 MHz,DMSO-d6) δ: 165.0 (C-2),103.6 (C-3),182.3 (C-4),161.6 (C-5),100.3 (C-6),163.3 (C-7),95.1 (C-8),157.3 (C-9),105.8 (C-10),121.5 (C-1′),113.8 (C-2′),146.3 (C-3′),150.6 (C-4′),116.4 (C-5′),119.6 (C-6′),100.9 (C-1″),73.5 (C-2″),76.6 (C-3″),69.9 (C-4″),75.9 (C-5″),66.4 (C-6″),100.0 (C-1′′′),70.8 (C-2′′′),71.1 (C-3′′′),72.5 (C-4′′′),68.7 (C-5′′′),18.1 (C-6′′′)。以上数据与文献报道一致[7],故鉴定化合物4为木犀草素-7-O-芸香糖苷。

化合物5:黄色粉末;1H-NMR (600 MHz,CD3OD) δ: 6.21 (1H,brs,H-6),6.40 (1H,brs,H-8),7.70 (1H,d,J = 1.9 Hz,H-2′),7.55 (1H,dd,J = 8.4,1.9 Hz,H-6′),6.91 (1H,d,J = 8.4 Hz,H-5′),5.36 (1H,d,J = 7.6 Hz,H-1″),4.79 (1H,d,J = 7.1 Hz,H-1′′′);13C-NMR (150 MHz,CD3OD) δ: 157.4 (C-2),133.7 (C-3),178.3 (C-4),161.6 (C-5),98.4 (C-6),164.5 (C-7),93.2 (C-8),157.0 (C-9),104.3 (C-11),121.6 (C-1′),116.3 (C-2′),144.5 (C-3′),148.3 (C-4′),114.7 (C-5′),121.6 (C-6′),99.7 (C-1″),81.4 (C-2″),76.4 (C-3″),69.6 (C-4″),76.8 (C-5″),60.9 (C-6″),103.3 (C-1′′′),74.0 (C-2′′′),76.6 (C-3′′′),69.6 (C-4′′′),76.8 (C-5′′′),60.8 (C-6′′′)。以上数据与文献报道一致[8],故鉴定化合物5为槲皮素-3-O-β-D-吡喃葡萄糖基 (1→2)-β-D-吡喃葡萄糖苷。

化合物6:黄色粉末;1H-NMR (600 MHz,DMSO-d6) δ: 6.87 (1H,s,H-3),6.50 (1H,d,J = 2.1 Hz,H-6),6.89 (1H,d,J = 2.2 Hz,H-8),7.95 (2H,d,J = 8.5 Hz,H-2′,6′),6.95 (2H,d,J = 8.5 Hz,H-3′,5′),5.20 (1H,d,J = 7.1 Hz,H-1″),4.48 (1H,d,J = 7.8 Hz,H-1′′′);13C-NMR (150 MHz,DMSO-d6) δ: 160.0 (C-2),103.4 (C-3),182.4 (C-4),157.2 (C-5),98.9 (C-6),164.7 (C-7),95.6 (C-8),161.5 (C-9),105.8 (C-10),121.2 (C-1′),129.0 (C-2′,6′),116.5 (C-3′,5′),163.2 (C-4′),100.1 (C-1″),83.2 (C-2″),75.2 (C-3″),70.0 (C-4″),76.1 (C-5″),60.9 (C-6″),105.2 (C-1′′′),76.6 (C-2′′′),77.4 (C-3′′′),69.6 (C-4′′′),77.4 (C-5′′′),61.0 (C-6′′′)。以上数据与文献报道一致[9],故鉴定化合物6为芹黄素7-O-槐糖苷。

化合物7:黄色粉末;1H-NMR (600 MHz,DMSO-d6) δ: 12.6 (1H,s,5-OH),6.38 (1H,s,H-6),6.18 (1H,s,H-8),7.63~7.55 (2H,m,H-2′,6′),6.84 (1H,d,J = 8.8 Hz,H-5),5.46 (1H,d,J = 7.1 Hz,H-1″);13C-NMR (150 MHz,DMSO-d6) δ: 156.8 (C-2),133.6 (C-3),177.7 (C-4),161.6 (C-5),99.4 (C-6),165.5 (C-7),94.0 (C-8),156.4 (C-9),104.8 (C-10),121.5 (C-1′),115.6 (C-2′),145.3 (C-3′),149.0 (C-4′),116.5 (C-5′),122.0 (C-6′),101.3 (C-1″),74.5 (C-2″),76.9 (C-3″),70.3 (C-4″),78.0 (C-5″),61.4 (C-6″)。以上数据与文献报道一致[10],故鉴定化合物7为槲皮素-3-O-β-D-吡喃葡萄糖苷。

化合物8:黄色粉末;1H-NMR (600 MHz,DMSO-d6) δ: 12.41 (1H,s,5-OH),6.27 (1H,s,H-3),6.64 (1H,s,H-8),7.51 (1H,d,J = 2.4 Hz,H-2′),7.49 (1H,dd,J = 8.3,2.4 Hz,H-6′),6.90 (1H,d,J = 8.2 Hz,H-5′);13C-NMR (150 MHz,DMSO-d6) δ: 164.1 (C-2),102.8 (C-3),182.4 (C-4),146.1 (C-5),125.5 (C-6),153.7 (C-7),98.9 (C-8),153.4 (C-9),103.7 (C-10),122.2 (C-1′),114.0 (C-2′),145.9 (C-3′),150.0 (C-4′),116.3 (C-5′),119.5 (C-6′)。以上数据与文献报道一致[11],故鉴定化合物8为6-hydroxyluteolin。

化合物9:黄色粉末;1H-NMR (600 MHz,DMSO-d6) δ: 6.75 (1H,s,H-3),6.79 (1H,d,J = 2.1 Hz,H-6),6.45 (1H,d,J = 2.1 Hz,H-8),7.42 (1H,d,J = 2.2 Hz,H-2′),6.90 (1H,d,J = 8.4 Hz,H-5′),7.45 (1H,dd,J = 8.4,2.2 Hz,H-6′),5.08 (1H,d,J = 7.5 Hz,H-1″),12.91 (1H,s,5-OH);13C-NMR (150 MHz,DMSO-d6) δ: 164.9 (C-2),103.5 (C-3),182.3 (C-4),161.5 (C-5),100.3 (C-6),163.3 (C-7),95.1 (C-8),157.3 (C-9),105.7 (C-10),121.5 (C-1′),113.8 (C-2′),146.3 (C-3′),150.1 (C-4′),116.4 (C-5′),119.6 (C-6′),99.9 (C-1″),73.5 (C-2″),77.6 (C-3″),69.9 (C-4″),76.8 (C-5″),61.0 (C-6″)。以上数据与文献报道一致[12],故鉴定化合物9为木犀草苷。

化合物10:黄色粉末;1H-NMR (600 MHz,DMSO-d6) δ: 12.42 (1H,s,5-OH),6.71 (1H,s,H-3),6.63 (1H,s,H-6),7.48 (1H,d,J = 2.4 Hz,H-2′),6.89 (1H,d,J = 8.2 Hz,H-5′),7.47 (1H,dd,J = 8.2,2.4 Hz,H-6′),4.93 (1H,d,J = 7.6 Hz,H-1″),3.73 (1H,d,J = 11.6 Hz,H-5″),3.57~3.04 (4H,m,glc H-2″,3″,4″,6″)。以上数据与文献报道一致[13],故鉴定化合物10为海波拉亭-7-O-β-D-吡喃葡萄糖苷。

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