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香料烟云香巴斯玛1号的化学成分研究

彭梦洁, 李玥, 魏月丽, 陈建华, 周文兵, 何承刚, 徐俊驹, 王戈

彭梦洁, 李玥, 魏月丽, 等. 香料烟云香巴斯玛1号的化学成分研究[J]. 云南农业大学学报(自然科学), 2019, 34(1): 180-183. DOI: 10.12101/j.issn.1004-390X(n).201710030
引用本文: 彭梦洁, 李玥, 魏月丽, 等. 香料烟云香巴斯玛1号的化学成分研究[J]. 云南农业大学学报(自然科学), 2019, 34(1): 180-183. DOI: 10.12101/j.issn.1004-390X(n).201710030
Mengjie PENG, Yue LI, Yueli WEI, et al. Studies of Chemical Constituents from Oriental Tobacco YNOTBS1[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY(Natural Science), 2019, 34(1): 180-183. DOI: 10.12101/j.issn.1004-390X(n).201710030
Citation: Mengjie PENG, Yue LI, Yueli WEI, et al. Studies of Chemical Constituents from Oriental Tobacco YNOTBS1[J]. JOURNAL OF YUNNAN AGRICULTURAL UNIVERSITY(Natural Science), 2019, 34(1): 180-183. DOI: 10.12101/j.issn.1004-390X(n).201710030

香料烟云香巴斯玛1号的化学成分研究

基金项目: 云南中烟项目(2017CP04);国家自然科学基金项目(31360080,3176010432);云南省中青年技术后备人才项目(2014HB013)
详细信息
    作者简介:

    彭梦洁(1993—),女,云南丽江人,在读硕士研究生,主要从事烟草化学研究。E-mail: 1554748839@qq.com

    通信作者:

    徐俊驹(1977—),男,湖北武汉人,博士,教授,主要从事烟草化学研究。E-mail: junjuxu007@126.com

    王戈(1983—),男,云南曲靖人,博士,副教授,主要从事烟草研究。E-mail: wangge302@126.com

摘要:
目的 研究香料烟云香巴斯玛1号下部叶的化学成分。
方法 云香巴斯玛1号下部叶的甲醇提取物经过乙酸乙酯萃取后,再利用硅胶柱色谱及半制备HPLC等进行分离纯化,并通过波谱分析鉴定分离的化学成分。
结果 从该植物中分离得到7个化合物,其结构分别鉴定为:邻苯二甲酸二异丁酯(1)、邻苯二甲酸二丁酯(2)、(+)-sclareolide (3)、14,15-dinor-8-labdene-7,13-dione (4)、α-levantenolide (5)、β-levantenolide (6)、8-hydroxy-14,15-dinor-11-labden-13-one (7)。
结论 以上化合物均为首次从该植物中分离得到。

 

Studies of Chemical Constituents from Oriental Tobacco YNOTBS1

Abstract:
Purpose In order to investigate the chemical constituents from lower leaves of oriental tobacco YNOTBS1.
Method Compounds were isolated from methanol extraction of lower leaves of oriental tobacco YNOTBS1 by extracting with ethyl acetate and using silica gel column chromatography and preparative HPLC. Their structures were identified by spectral analysis.
Results Seven compounds were isolated from this plant. Their structures were identified as phthalic acid isodibutyl ester (1), dibutyl phthalate (2), (+)-sclareolide (3), 14,15-dinor-8-labdene-7,13-dione (4), α-levantenolide (5), β-levantenolide (6) and 8-hydroxy-14,15-dinor-11-labden-13-one (7).
Conclusion All compounds were obtained from this plant for the first time.

 

  • 烟草(Nicotiana tabacum L.)为茄科 (Solanacea)烟草属植物,是一年生或有限多年生草本,原产于南美洲,在中国南北各省区均有栽培,可作烟草工业原料、农药杀虫剂、也可药用如麻醉、发汗、镇静和催吐剂[1]。该属植物品种繁多,可分为烤烟、香料烟、晒烟、白肋烟、黄花烟、雪茄烟、马里兰烟和野生烟等,其中烤烟种植最为广泛[2]。国内外学者对该属多种植物的黄酮类[3]、香豆素[4]、萜类[5]等化学成分进行了研究。云香巴斯玛1号(YNOTBS1)是云南省烟草科学研究所选育出来的香料烟新品种,主要分布在云南保山、临沧、德宏等产区[6]。为了研究该植物的化学成分和生物学活性,作者对云香巴斯玛1号的化学成分进行了分离和结构鉴定。

    试验样品采于云南省德宏市烟区,由云南农业大学烟草学院王戈副教授鉴定。

    晾干的香料烟叶片10 kg,粉碎,用甲醇溶液浸泡10 h,提取3次,减压蒸馏,得浸膏830 g。将浸膏溶于蒸馏水中,用乙酸乙酯进行萃取,回收其溶剂,得到乙酸乙酯部分381 g;用石油醚—丙酮(20∶1~1∶2,体积比)对乙酸乙酯部分进行硅胶柱色谱分离,梯度洗脱,然后经MCI柱(日本三菱公司)脱色,得到8个部分(F1~8);对F1经硅胶柱色谱[氯仿—丙酮(20∶1~9∶1) 梯度洗脱,得到5部分(F1.1~1.5),F1.3经硅胶柱色谱[氯仿—乙酸乙酯(15∶1,体积比),石油醚—丙酮(10∶1,体积比)]分离后,再经HPLC (CH3OH-H2O 9∶1,体积比)纯化,得到化合物1(5.0 mg)、2(3.8 mg);对F2经硅胶柱色谱[氯仿—乙酸乙酯(20∶1~4∶1,体积比) 梯度洗脱,得到4个部分(F2.1~2.4),F2.1经硅胶柱色谱[氯仿—乙酸乙酯(9∶1,体积比)、石油醚∶乙酸乙酯(8∶2,体积比)、石油醚∶丙酮(9∶1,体积比)]分离后,再经HPLC (CH3OHH2O 7∶3,体积比)纯化,得到化合物4(3.2 mg)、7(7.6 mg),对F4经硅胶柱色谱[石油醚—乙酸乙酯(15∶1~1∶1,体积比) ]梯度洗脱,得到4部分(F4.1~4.4),F4.2经硅胶柱色谱[石油醚—乙酸乙酯(4∶1,体积比),氯仿—乙酸乙酯(20∶1,体积比),石油醚—丙酮(10∶1,体积比)]分离后,经HPLC (CH3OH-H2O 7∶3,体积比),得到化合物3(3.8 mg)、5(2.3 mg)、6(3.7 mg)。TLC检测通过10%硫酸—乙醇溶液点样加热观察斑点;质谱用API Qstar Pulsar型质谱仪测定;核磁共振谱用Bruker AVANCE III-600核磁共振仪测定,TMS为内标;柱层析硅胶(200~300目)、薄层层析硅胶(GF254)均为青岛海洋化工厂生产。化合物1~7结构见图1

    图  1  化合物1~7结构
    Figure  1.  Chemical structures of compounds 1-7

    化合物1,淡黄色结晶。ESI-MS m/z:301 [M + Na]+,分子式为C16H22O41H-NMR (CDCl3, 600 MHz): δ 0.97 (12 H, d, J = 6.6 Hz, H-3', 4', 3'', 4''), 2.03 (2 H, m, J = 7.2, 6.6 Hz, H-2', 2''), 4.07 (4 H, d, J = 7.2 Hz, H-1', 1''), 7.52 (2 H, m, J = 6.0, 5.4 Hz, H-1, 2), 7.71 (2 H, m, J = 6.0, 5.4 Hz, H-3, 6);13C-NMR (CDCl3, 150 MHz): δ 19.4 (q, C-3', 4', 3'', 4''), 27.9 (d, C-2', 2''), 72.0 (t, C-1', 1''), 129.1 (d, C-3.6), 131.1 (s, C-4, 5), 132.5 (d, C-1, 2), 167.9 (s, C=O)。其波谱数据和文献报道[7]基本一致,该化合物鉴定为邻苯二甲酸二异丁酯。

    化合物2,无色透明油状液体。ESI-MS m/z:301 [M + Na]+,分子式为C16H22O41H-NMR (CDCl3, 600 MHZ): δ 7.71 (2 H, d, J = 3.3 HZ, H-3, 6), 7.53 (2 H, d, J = 3.3 HZ, H-1, 2), 4.29 (4 H, t, J = 6.7 HZ, H-1', 1''), 1.72 (4 H, m, H-2', 2''), 1.45 (4 H, m, H-3', 3''), 0.98 (6 H, m, H-4', 4'');13C-NMR (CDCl3, 150 MHZ): δ 13.7 (q, C-4', 4''), 19.1 (t, C-3', 3''), 30.5 (t, C-2', 2''), 65.6 (t, C-1', 1''), 128.8 (d, C-3, 6), 130.9 (s, C-4, 5), 132.2 (d, C-1, 2), 167.6 (2C, C=O)。其波谱数据和文献报道[8]基本一致,该化合物鉴定为邻苯二甲酸二丁酯 。

    化合物3,白色结晶状粉末。ESI-MS m/z:273 [M + Na]+,分子式为C16H26O21H-NMR (CDCl3, 600 MHz): δ 0.84 (3 H, s, Me-15), 0.89 (3 H, s, Me-14), 0.91 (3 H, s, Me-16), 0.99 (2 H, dd, J = 12.6, 2.4 Hz, H-1a, H-5), 1.20 (1 H, m, H-7a), 1.34 (3 H, s, Me-13), 1.38 (1 H, dd, J = 13.8, 3.6 Hz, H-6a), 1.40 (1 H, dd, J = 15.6, 4.2 Hz, H-1b), 1.43 (2 H, m, H-7b, H-2a), 1.69 (2 H, m, H-2b, H-3a), 1.88 (1 H, dd, J = 13.8, 3.6 Hz, H-6b), 1.96 (1 H, dd, J = 15.0, 6.6 Hz, H-9), 2.07 (1 H, m, H-1b), 2.22 (1 H, dd, J=16.2, 6.0 Hz, H-11a), 2.41 (1 H, m, H-11b);13C-NMR (CDCl3 , 150 MHZ): δ 15.3 (q, C-16), 18.1 (t, C-2), 20.5 (t, C-6), 20.9 (q, C-15), 21.5 (q, C-13), 28.7 (t, C-11), 29.9 (s, C-4), 33.1 (q, C-14), 36.2 (s, C-10), 38.7 (t, C-1), 39.3 (t, C-7), 42.1 (t, C-3), 56.6 (d, C-5), 59.2 (d, C-9), 86.1 (s, C-8), 177.2 (s, C-12, C=O)。其波谱数据和文献报道[9]基本一致,该化合物鉴定为(+)-sclareolide。

    化合物4,白色结晶状粉末。ESI-MS m/z: 300 [M + Na]+,分子式为C18H29O21H-NMR (CDCl3, 600 MHz): δ 0.88 (3 H, s, Me-16), 0.91 (3 H, s, Me-17), 1.09 (3 H, s, Me-18), 1.25 (2 H, m, H-3a, H-1a), 1.47 (1 H, m, H-3b), 1.57 (1 H, m, H-2a), 1.67 (1 H, m, H-5), 1.69 (1 H, m, H-2b), 1.72 (3 H, s, Me-15), 1.89 (1 H, m, H-1b), 2.18 (3 H, s, Me-14), 2.36 (1 H, dd, J = 14.5, 2.9 Hz, H-6a), 2.48 (1 H, m, H-11a), 2.51 (1 H, m, H-6b), 2.58 (2 H, t, J = 16.1, 7.8 Hz, H-12);13C-NMR (CDCl3, 150 MHZ): δ 11.3 (q, C-15), 17.9 (q, C-18), 18.5 (t, C-2), 21.3 (q, C-17), 22.7 (t, C-11), 29.8 (q, C-14), 32.5 (q, C-16), 33.1 (s, C-4), 35.2 (t, C-6), 35.9 (t, C-1), 41.1 (s, C-10), 41.3 (t, C-3), 42.4 (t, C-12), 50.4 (d, C-5), 130.6 (s, C-8), 166.8 (s, C=O, C-9), 200.2 (s, C-7), 206.9 (s, C-13)。其波谱数据和文献报道[10]基本一致,该化合物鉴定为14,15-dinor-8-labdene-7,13-dione。

    化合物5,无色油状物。ESI-MS m/z: 341[M + Na]+,分子式为C20H30O31H-NMR (CDCl3, 600 MHz): δ 0.85 (3 H, s, Me-19), 0.89 (6 H, s, Me-18, Me-20), 0.99 (2 H, dd, J = 12.6, 2.4 Hz, H-5), 1.18 (1 H, m, H-1a), 1.20 (1 H, m, H-3a), 1.26 (3 H, s, Me-17), 1.36 (1 H, dd, J = 13.2, 3.0 Hz, H-6a), 1.45 (3 H, m, H-1b, H-2a, H-3b), 1.59 (1 H, dd, J = 13.8, 7.2 Hz, H-9), 1.68 (2 H, m, H-2b, H-7a), 1.82 (2 H, m, H-11a, H-6b), 2.00 (1 H, m, H-7b), 2.02 (3 H, d, J = 1.2 Hz, H-16), 2.04 (1 H, m, H-11b), 5.73 (1 H, d, J = 1.2 Hz, H-14);13C-NMR (CDCl3, 150 MHZ): δ 12.3 (q, C-16), 15.0 (q, C-20), 18.2 (t, C-2), 20.5 (t, C-6), 21.0 (q, C-19), 22.4 (q, C-17), 32.3(t, C-11), 33.1 (s, C-4), 33.4 (q, C-18), 36.6 (s, C-10), 39.6 (t, C-1), 39.9 (t, C-7), 42.3 (t, C-3), 57.2 (d, C-5), 62.3 (d, C-9), 85.4 (s, C-8), 114.1 (s, C-12), 117.0 (d, C-14), 165.8 (s, C-13), 170.7 (s, C-15, C=O)。其波谱数据和文献报道[11]基本一致,该化合物鉴定为α-levantenolide。

    化合物6,无色油状物。ESI-MS m/z: 341[M + Na]+,分子式为C20H30O31H-NMR (CDCl3, 600 MHz): δ 0.83 (3 H, s, Me-19), 0.88 (6 H, s, Me-18, Me-20), 1.09 (2 H, dd, J = 12.8, 2.6 Hz, H-5), 1.18 (1 H, m, H-1a), 1.21 (1 H, m, H-3a), 1.24 (3 H, s, Me-17)1.33 (1 H, dd, J = 13.8, 3.4 Hz, H-6a), 1.43 (3 H, m, H-1b, H-2a, H-3b), 1.66 (2 H, m, H-2b, H-7a), 1.85 (2 H, m, H-11a, H-6b), 2.01 (1 H, m, H-7b), 2.04 (3 H, d, J = 1.4 Hz, H-16), 2.11 (1 H, m, H-11b), 2.17 (1 H, dd, J = 14.2, 4.3 Hz, H-9), 5.90 (1 H, d, J = 1.4 Hz, H-14);13C-NMR (CDCl3, 150 MHZ): δ 12.7 (q, C-16), 15.7 (q, C-20), 18.3 (t, C-2), 20.9 (t, C-6), 21.3 (q, C-19), 23.6 (q, C-17), 32.7 (t, C-11), 33.1 (s, C-4), 33.4 (q, C-18), 36.6 (s, C-10), 39.7 (t, C-1), 40.0 (t, C-7), 42.3 (t, C-3), 56.8 (d, C-5), 58.0 (d, C-9), 86.2 (s, C-8), 114.0 (s, C-12), 118.9 (d, C-14), 165.2 (s, C-13), 169.8 (s, C-15, C=O)。其波谱数据和文献报道[11]基本一致,该化合物鉴定为β-levantenolide。

    化合物7,无色油状物。ESI-MS m/z: 301[M + Na]+,分子式为C18H30O21H-NMR (CDOD3, 600 MHz): δ 0.84 (3 H, s, Me-18), 0.90 (3 H, s, Me-17), 0.97 (1 H, dd, J = 11.9, 2.1 Hz, H-5), 1.03 (3 H, s, Me-16), 1.25 (3 H, s, Me-15), 2.27 (3 H, s, Me-14), 1.87 (1 H, dt, J = 12.3, 3.3 Hz, H-6), 1.98 (1 H, d, J = 10.5 Hz, H-9), 6.13 (1 H, d, J = 15.6 Hz, H-12), 6.92 (1 H, dd, J = 15.6, 10.5 Hz, H-11);13C-NMR (CDOD3, 150 MHZ): δ16.6 (q, C-18), 19.4 (t, C-2), 21.3 (t, C-6), 22.0 (q, C-17), 24.3 (q, C-15), 27.0 (q, C-14), 33.8 (s, C-4), 34.3 (q, C-16), 39.2 (s, C-10), 42.2 (t, C-1), 43.0 (t, C-3), 44.8 (t, C-7), 56.9 (d, C-5), 67.1 (d, C-9), 73.5 (s, C-8), 136.5 (d, C-12), 147.7 (d, C-11), 200.9 (s, C-13)。其波谱数据和文献报道[12]基本一致,该化合物鉴定为8-hydroxy-14,15- dinor-11-labden-13-one。

    从香料烟云香巴斯玛1号下部叶的乙酸乙酯萃取分段部位中分离得到并鉴定了7个化合物,其结构类型主要是苯环衍生物和萜类,这些化合物均首次从该植物中获得,其中萜类化合物种类较多且含量高,可能为香料烟的致香成分。此外,文献报道该属植物中所含的黄酮类、苯丙素类、萜类、酚类等物质具有抗病毒[13]、抗肿瘤细胞[14]、抗烟草花叶病毒[5, 15]等多种生物活性,且萜类抗烟草花叶病毒活性较显著。在以上研究的基础上,将进一步对香料烟的化学成分和生物活性进行研究,为合理开发、利用香料烟打下基础。

  • 图  1   化合物1~7结构

    Figure  1.   Chemical structures of compounds 1-7

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